A3LSMS741UPortable Handset

FCC ID: A3LSMS741U SAR-001: SAR Test Report RevA Test Report SN: 2026.014.01 Page H1 of H120 Appendix H: Secondary Mode Conducted Powers H.1. UMTS Conducted Powers It is expected by the manufacturer that MPR for some HSPA subtests may be up to 2dB more than specified by 3 GPP, but also as low as 0 dB according to the chipset implementation in this model. Frequency [MHz] 826.4 836.6 846.6 Channel Number 4132 4183 4233 Power Level Mode Subtest Subtest 1 23.19 23.2 23.05 0 Subtest 2 21.63 21.65 21.52 0 Subtest 3 20.15 20.2 20.06 0.5 Subtest 4 20.16 20.17 20.04 0.5 Subtest 1 22.15 22.19 22.05 0 Subtest 2 20.18 20.16 20.05 2 Subtest 3 21.08 20.71 20.59 1 Subtest 4 20.18 20.19 20.05 2 Subtest 5 22.95 22.95 23 0 Subtest 1 23.2 23.21 23.09 0 Subtest 2 21.65 21.68 21.56 0 Subtest 3 20.21 20.2 20.11 0.5 Subtest 4 20.2 20.19 20.08 0.5 Subtest 1 20.72 20.68 20.61 0 Subtest 2 20.19 20.2 20.1 0 Subtest 3 19.65 19.66 19.56 0.5 Subtest 4 19.63 19.64 19.55 0.5 Subtest 1 19.62 19.65 19.52 0 Subtest 2 19.6 19.6 19.5 2 Subtest 3 19.5 19.12 19 1 Subtest 4 19.59 19.62 19.51 2 Subtest 5 20.5 20.5 20.46 0 Subtest 1 20.15 20.67 20.55 0 Subtest 2 20.18 20.2 20.07 0 Subtest 3 19.66 19.65 19.55 0.5 Subtest 4 19.62 19.62 19.5 0.5 HSUPA DC-HSDPA Conducted Power [dBm] 3GPP MPR (dB) UMTS Band 5 Antenna: A HSUPA DC-HSDPA HSDPA HSDPA Pmax/RSI 1 RSI 0 FCC ID: A3LSMS741U SAR-001: SAR Test Report RevA Test Report SN: 2026.014.01 Page H2 of H120 Frequency [MHz] 826.4 836.6 846.6 Channel Number 4132 4183 4233 Power Level Mode Subtest Subtest 1 18.3 18.31 18.34 0 Subtest 2 18.85 18.8 18.78 0 Subtest 3 18.4 18.28 18.35 0.5 Subtest 4 18.89 18.81 18.86 0.5 Subtest 1 18.4 18.31 18.3 0 Subtest 2 18.4 18.3 18.4 2 Subtest 3 17.36 17.35 17.2 1 Subtest 4 17.38 17.37 17.29 2 Subtest 5 18.35 18.33 18.22 0 Subtest 1 18.32 18.3 18.4 0 Subtest 2 18.8 18.85 18.7 0 Subtest 3 18.38 18.36 18.25 0.5 Subtest 4 18.85 18.82 18.7 0.5 Conducted Power [dBm] 3GPP MPR (dB) UMTS Band 5 Antenna: E HSUPA DC-HSDPA HSDPA RSI 0/RSI 1 Frequency [MHz]1712.41732.41752.6 Channel Number131214121513 Power LevelModeSubtest Subtest 120.9520.920.880 Subtest 220.9520.4520.390 Subtest 320.1619.38 19.310.5 Subtest 420.4820.44 20.40.5 Subtest 121.6421.37 21.35 0 Subtest 220.520.4 20.34 2 Subtest 321.421.35 21.3 1 Subtest 420.4820.4 20.39 2 Subtest 522.4522.41 22.38 0 Subtest 12120.88 20.85 0 Subtest 220.9520.42 20.38 0 Subtest 320.1619.38 19.320.5 Subtest 420.520.44 20.40.5 Subtest 112.5312.3012.260.00 Subtest 213.5012.8412.810.00 Subtest 313.6012.81 12.750.00 Subtest 414.0513.81 13.800.00 Subtest 111.5211.28 11.22 0.00 Subtest 211.5011.23 11.20 0.00 Subtest 311.5111.25 11.20 0.00 Subtest 411.5011.26 11.20 0.00 Subtest 512.5012.30 12.25 0.00 Subtest 112.5012.30 12.26 0.00 Subtest 213.6012.80 12.77 0.00 Subtest 313.6012.80 12.760.00 Subtest 414.0013.86 13.790.00 HSUPA DC-HSDPA Conducted Power [dBm] 3GPP MPR (dB) UMTS Band 4 Antenna: A HSUPA DC-HSDPA HSDPA HSDPA Pmax/RSI 1 RSI 0 FCC ID: A3LSMS741U SAR-001: SAR Test Report RevA Test Report SN: 2026.014.01 Page H3 of H120 Frequency [MHz] 1852.4 1880.0 1907.6 Channel Number 9262 9400 9538 Power Level Mode Subtest Subtest 1 14.55 14.67 14.55 0 Subtest 2 14.55 14.68 14.58 0 Subtest 3 14.46 15.00 15.00 0.5 Subtest 4 14.56 14.69 14.58 0.5 Subtest 1 14.60 14.70 14.61 0 Subtest 2 12.15 12.23 11.60 2 Subtest 3 14.50 14.15 14.08 1 Subtest 4 12.15 12.23 11.58 2 Subtest 5 14.57 14.69 14.59 0 Subtest 1 14.53 14.69 14.55 0 Subtest 2 14.59 14.69 14.47 0 Subtest 3 14.48 14.97 14.90 0.5 Subtest 4 14.56 14.70 14.46 0.5 Subtest 1 19.48 19.61 19.52 0 Subtest 2 19.60 19.61 19.51 0 Subtest 3 19.45 19.95 19.94 0.5 Subtest 4 19.55 19.67 19.55 0.5 Subtest 1 19.52 19.65 19.52 0 Subtest 2 17.00 17.03 16.47 2 Subtest 3 19.43 19.13 19.06 1 Subtest 4 17.00 17.10 16.50 2 Subtest 5 19.60 19.67 19.55 0 Subtest 1 19.60 19.70 19.50 0 Subtest 2 19.67 19.71 19.52 0 Subtest 3 19.60 20.00 19.90 0.5 Subtest 4 19.66 19.75 19.53 0.5 Conducted Power [dBm] 3GPP MPR (dB) RSI 1 UMTS Band 2 Antenna: A HSUPA DC-HSDPA HSDPA HSUPA DC-HSDPA HSDPA RSI 0 FCC ID: A3LSMS741U SAR-001: SAR Test Report RevA Test Report SN: 2026.014.01 Page H4 of H120 H.2. LTE Conducted Powers Antenna:A Bandwidth [MHz]:20133297 Power LevelModulationRB SizeRB Offset Conducted Powers [dBm] 1023.761 15023.831 19923.711 50022.782 502522.872 505022.782 100022.852 1022.702 15022.842 19922.602 50021.893 502522.013 505021.933 100022.023 1020.295 15020.305 19920.235 50019.805 502519.905 505019.805 100019.915 1022.310 15022.390 19922.280 50022.240 502522.290 505022.200 100022.230 1022.390 15022.460 19922.370 50022.160 502522.220 505022.160 100022.120 1020.342 15020.352 19920.292 50019.872 502519.922 505019.882 100019.952 16QAM 64QAM Frequency [MHz]680.5 Channel Number LTE Band 71 MPR [dB] 64QAM 256QAM RSI 0 Pmax/RSI 1 256QAM 16QAM FCC ID: A3LSMS741U SAR-001: SAR Test Report RevA Test Report SN: 2026.014.01 Page H5 of H120 Antenna:A Bandwidth [MHz]:15133297 Power LevelModulationRB SizeRB Offset Conducted Powers [dBm] 1024.810 13624.900 17424.780 36023.911 361823.951 363723.881 75023.951 1023.531 13623.581 17423.391 36022.882 361822.952 363722.882 75022.952 1022.832 13622.912 17422.832 36022.123 361822.183 363722.103 75022.013 1019.775 13619.845 17419.725 36020.045 361820.135 363720.055 75020.125 1022.090 13622.150 17422.030 36022.160 361822.230 363722.150 75022.240 1021.850 13621.920 17421.750 36022.180 361822.260 363722.160 75022.250 1022.190 13622.310 17422.210 36021.920 361821.980 363721.940 75022.090 1020.322 13620.362 17420.222 36020.072 361820.152 363720.092 75020.002 RSI 0 QPSK 16QAM 64QAM 256QAM 256QAM Pmax/RSI 1 Channel Number QPSK 16QAM 64QAM LTE Band 71 Frequency [MHz]680.5 MPR [dB] FCC ID: A3LSMS741U SAR-001: SAR Test Report RevA Test Report SN: 2026.014.01 Page H6 of H120 Antenna:A Bandwidth [MHz]:10133172133297133422 Power LevelModulationRB SizeRB OffsetConducted Powers [dBm] 1024.7924.7524.860 12524.6024.8124.710 14924.7824.7424.660 25023.8223.9223.751 251223.8023.9423.691 252523.8423.9323.651 5…

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RF Safety Laboratory, LLC 5520 Research Park Drive, Suite 140 Catonsville, Maryland 21228 USA +1 202 240 9240 [email protected] Object: Date Issued: D5GHzV2 – SN: 1396 07/30/2025 Page 1 of 4 IN-HOUSE SAR VERIFICATION SOURCE CALIBRATION EXTENSION Object D5GHzV2 – SN: 1396 Description SAR Validation Dipole at 5250, 5600, 5750, and 5850 MHz Procedure (s) Procedure for SAR Verification Source Calibration Extension In-house Check Date 07/30/2025 Equipment List CBT: Components calibrated before testing. Prior to testing, the measurement paths containing a cable, attenuator, coupler or filter were connected to a calibrated source (i.e. a signal generator, power sensor, or VNA) to determine the losses of the measurement path. The power meter offset was then adjusted to compensate for the measurement system losses. This level offset is stored within the power meter before measurements are made. This calibration verification procedure applies to the system verification and output power measurements. The calibrated reading is then taken directly from the power meter after compensation of the losses for all final power measurements. Measurement Uncertainty = ±27% (k=2) Name Function Signature Tested By: Yue Li Engineer Approved By: Phuong Nguyen Technical Manager ManufacturerModelDescriptionSerial Number Calibration Date Calibration Due CBT Rohde & SchwarzZNL20Vector Network Analyzer1012029/12/20249/12/2025 Rohde & SchwarzZN-Z135Calibration Kit5000-30919283910/31/2410/31/26 Control Company4040Ambient Thermometer2305816578/28/20238/28/2025 Control Company4040Ambient Thermometer2305816628/28/20238/28/2025 Control Company4352Long Stem Liquid Thermometer2306622239/28/20239/28/2025 Control Company4352Long Stem Liquid Thermometer2306622129/28/20239/28/2025 Micro-CoaxUFB205A-0-0240-30x30SMA M-F RF test Cable (DC - 18 GHz)-✓ Maury-Micro360D10dB RF Fixed Attenuator (DC - 18 GHz) + Short Circuit Termination779912/28/202412/28/2025 Huber+SuhnerSF126High Performance RF Cable570292/126✓ SPEAGDAE4ipData Acquisition Electrionics with Integ. Power18399/4/20249/4/2025 SPEAGDAK-3.5DAK-3.5 Dielectric Probe13499/2/20249/2/2025 SPEAGEX3DV4SAR Measurement Probe78369/12/20249/12/2025 SPEAGPowersource1Signal Generator43411/9/20251/9/2026 RF Safety Laboratory, LLC 5520 Research Park Drive, Suite 140 Catonsville, Maryland 21228 USA +1 202 240 9240 [email protected] Object: Date Issued: D5GHzV2 – SN: 1396 07/30/2025 Page 2 of 4 Per FCC KDB Publication 865664 D01, dipole can have longer calibration intervals of up to three years when it is demonstrated that the SAR target, impedance and return loss of the dipole have remained stable according to the following requirements: 1. Measured SAR does not deviate from the calibrated SAR value by more than 10%. 2. Return loss does not deviate by more than 20% from the previous measurement (i.e. value in dB x 0.2) and meet the required minimum return-loss. 3. Real and imaginary part of the impedance do not deviate by more than 5 Ω from the previous measurement. The following dipole was checked to pass the above 3 requirements to have an extended calibration interval: Dipole SN Freq (MHz) In-house Check Date Cal Date Head SAR target (1g) @ 30dBm (W/kg) Measured Head SAR (1g) @ 17dBm (W/kg) 1g SAR Dev (%) Head SAR target (10g) @ 30dBm (W/kg) Measured Head SAR (10g) @ 17dBm (W/kg) 10g SAR Dev(%) Cert Head Impedance (Ohm) - Real Previous Head Impedance (Ohm) - Real Measured Head Impedance (Ohm) - Real Head Impedance Deviation (Ohm) - Real Cert Head Impedance (Ohm) - Imaginary Previous Head Impedance (Ohm) - Imaginary Measured Head Impedance (Ohm) - Imaginary Head Impedance Deviation (Ohm) - Imaginary Cert Head Return Loss (dB) Previous Head Return Loss (dB) Measured Head Return Loss (dB) Return Loss Dev (%) PASS/FAILNote 1396525011/21/202411/15/202400.000.00%00.000.00%46.946.946.8-0.1-1.3-1.3-0.21.1-29.1-29.1-29.5-8.91%PASSIn-house check after Calibration 1396560011/21/202411/15/202400.000.00%00.000.00%53.953.953.3-0.63.23.24.10.9-26.2-26.2-25.97.60%PASSIn-house check after Calibration 1396575011/21/202411/15/202400.000.00%00.000.00%51.851.851.90.12.62.62.5-0.1-30.1-30.1-30.2-2.27%PASSIn-house check after Calibration 1396585011/21/202411/15/202400.000.00%00.000.00%54.754.754.2-0.5-1.0-1.0-2.1-1.1-26.8-26.8-26.9-1.76%PASSIn-house check after Calibration 139652507/30/202511/15/202477.93.77-3.44%22.41.07-4.69%46.946.847.70.9-1.3-0.2-2.5-2.3-29.1-29.5-29.110.90%PASS- 139656007/30/202511/15/202481.14.070.13%23.31.15-1.52%53.953.352.8-0.53.24.14.40.3-26.2-25.9-25.9-0.97%PASS- 139657507/30/202511/15/202480.13.79-5.59%22.81.08-5.49%51.851.952.70.82.62.51.9-0.6-30.1-30.2-29.97.42%PASS- 139658507/30/202511/15/202476.93.962.75%221.121.58%54.754.254.20.0-1.0-2.1-1.80.3-26.8-26.9-27.1-4.66%PASS- RF Safety Laboratory, LLC 5520 Research Park Drive, Suite 140 Catonsville, Maryland 21228 USA +1 202 240 9240 [email protected] Object: Date Issued: D5GHzV2 – SN: 1396 07/30/2025 Page 3 of 4 Impedance and Return-Loss Measurement Plot for Head TSL RF Safety Laboratory, LLC 5520 Research Park Drive, Suite 140 Catonsville, Maryland 21228 USA +1 202 240 9240 [email protected] Object: Date Issued: D5GHzV2 – SN: 1396 07/30/2025 Page 4 of 4

Next Generation Test Laboratory Inc. (RF Safety Laboratory, LLC) ) 5520 Research Park Drive, Suite 140, Catonsville, Maryland 21228 USA FCC Designation Number: US3274 ANAB 17025 Certificate Number: AT-3274 ☎+1 202 240 9240; [email protected] FCC ID: A3LSMS741U SAR-001: SAR Test Report RevA Test Report S/N: 2026.014.01 Rev1 Page 1 of 96 PART 1 RF EXPOSURE REPORT FCC ID: A3LSMS741U Model (s): SM-S741U, SM-S741U1 Device Type: Portable Handset Report Issue Date: July 28, 2026 Samsung Electronics Co., Ltd. 129, Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, 16677, Rep. of Korea Certification The measurement evaluations presented in this report are based on the maximum performance of the tested device(s), which has been shown to be capable of compliance for localized specific absorption rate (SAR) for uncontrolled environment/ general population exposure federal limits in 47CFR § 1.1310 and has been tested in accordance with the measurement procedures specified within this report. This document must be reproduced in its entirety without any alterations unless with written permission from RF Safety Laboratory, LLC. This document has been revised and replaces all previously issued versions of this document with the same Test Report S/N. Steve Liu President FCC Equipment Class Head SAR [W/kg] Body- worn SAR [W/kg] Hotspot SAR [W/kg] Phablet SAR [W/kg] 1g Simultaneous Tx SAR [W/kg] 10g Simultaneous Tx SAR [W/kg] psPD over 4cm 2 [W/m 2 ] PCE1.001.020.97-- CBE0.850.430.43-- DTS0.460.500.50-- NII0.320.570.560.99- 6CD/6VL0.220.120.120.247.52 DSS0.170.550.550.40- DXX---< 0.10- FCC Limit1.61.61.64.01.64.010.0 1.461.39 Next Generation Test Laboratory Inc. (RF Safety Laboratory, LLC) ) 5520 Research Park Drive, Suite 140, Catonsville, Maryland 21228 USA FCC Designation Number: US3274 ANAB 17025 Certificate Number: AT-3274 ☎+1 202 240 9240; [email protected] FCC ID: A3LSMS741U SAR-001: SAR Test Report RevA Test Report S/N: 2026.014.01 Rev1 Page 2 of 96 Table of Contents 1. DUT Specifics ................................................................................................................................................. 3 2. DUT Conducted Powers .............................................................................................................................. 14 3. DUT Test Results ......................................................................................................................................... 56 4. DUT SAR Measurement Variability Requirement ........................................................................................ 77 5. General Introduction................................................................................................................................... 77 6. Background on Radiofrequency (RF) Exposure Limits ................................................................................. 78 7. RF Safety Laboratory SAR Measurement System ........................................................................................ 80 8. RF Safety Laboratory Power Density Measurement System ....................................................................... 87 9. Technology Specific Test Setup Requirements ............................................................................................ 89 10. Equipment List ............................................................................................................................................ 95 11. Conclusion................................................................................................................................................... 96 Appendix A: SAR Test Plots Appendix B: Tissue Stimulating Liquids, System Checks and System Validation Appendix C: System Check Plots Appendix D: Calibration Certificates Appendix E: Simultaneous Transmission Analysis Appendix F : DUT Antenna Diagram and Test Setup Photos Appendix G: Power Reduction Verification Appendix H: Secondary Mode Conducted Powers Next Generation Test Laboratory Inc. (RF Safety Laboratory, LLC) ) 5520 Research Park Drive, Suite 140, Catonsville, Maryland 21228 USA FCC Designation Number: US3274 ANAB 17025 Certificate Number: AT-3274 ☎+1 202 240 9240; [email protected] FCC ID: A3LSMS741U SAR-001: SAR Test Report RevA Test Report S/N: 2026.014.01 Rev1 Page 3 of 96 1. DUT Specifics 1.1. Device under Test The device under test is a wireless device, incorporating the technologies listed in Table 1-1 below. The manufacturer has confirmed that the device is within operational tolerances expected for production units and has the same physical, mechanical, and thermal characteristics expected for production units. The serial number of the device used for each test is indicated alongside the results. 1.2. Maximum SAR per Mode Table 1-1 Maximum SAR Summary FCC Equipment Class Band/ModeFrequency (MHz) Head SAR [W/kg] Body- worn SAR [W/kg] Hotspot SAR [W/kg] Phablet SAR [W/kg] PCEGSM 850824 - 849 MHz 0.3831.0160.602- PCEGSM 1900 1850 - 1910 MHz 0.100 0.7630.807- PCEUMTS Band 5824 - 849 MHz0.5660.7360.736- PCE UMTS Band 4 1710 - 1755 MHz0.268 0.6730.673- PCEUMTS Band 21850 - 1910 MHz0.112 0.5540.554- PCELTE Band 71663 - 698 MHz0.3820.6110.611- PCELTE Band 12 699 - 716 MHz 0.611 0.7200.720- PCE LTE Band 13 777 - 787 MHz0.6270.6510.651- PCE LTE Band 14 788 - 798 MHz0.5770.6760.676- PCELTE Band 26814 - 849 MHz0.4360.7970.797- PCELTE Band 5824 - 849 MHz0.4890.8820.882- PCELTE Band 661710 - 1780 MHz0.8300.7840.784- PCELTE Band 4 1710 - 1755 MHz ---- PCELTE Band 251850 - 1915 MHz0.7120.6530.653- PCELTE Band 21850 - 1910 MHz---- PCELTE Band 302305 - 2315 MHz0.9990.5950.595- PCELTE Band 72500 - 2570 MHz0.8990.6030.603- PCE LTE Band 41 2496 - 2690 MHz 0.8170.3770.377- PCELTE Band 38 2570 - 2620 MHz---- CBE LTE Band 48 3550 - 3700 MHz0.7090.3420.342- PCENR Band n71663 - 698 MHz0.5350.6160.616- PCENR Band n12699 - 716 MHz0.6420.6730.673- PCE NR Band n14 788 - 798 MHz 0.6200.5880.588- PCENR Band n268…

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FCC ID: A3LSMS741U SAR-001: SAR Test Report RevA Test Report SN: 2026.014.01 Page A1 of A75 Appendix A: SAR Test Plots RF SAFETY LABORATORY DUT: A3LSMS741U; SN: H3A1T Test Conditions Exposure Condition Position, Test Distance [mm] Band Signal, UID Ant. Channel Number Frequency [MHz] ConvF (x,y,z) Head LeftHead, TILT, 0.00 GSM 850 GSM: Voice, GMSK, 1 slot(s), 10021 E Ch. 251 848.800 9.17, 9.24,9.23 Test Setup Test Date Ambient Temp [°C] TSL Temp [°C] Measurement SW Phantom Type Cond. [S/m] TSL Perm. Probe, Cal. Date DAE, Cal. Date 2026-05-11 23.1 22.7 17.0.4.7034 Twin-SAM V8.0 - 2233 Head Simulating Liquid 0.922 40.2 EX3DV4 - SN7971, 2026-04-14 DAE4ip Sn1862, 2026-01-08 Scans Setup Area Scan Zoom Scan Grid Extents [mm] 120.0 x 210.0 30.0 x 30.0 x 31.2 Grid Steps [mm] 15.0 x 15.0 6.0 x 6.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Grading Ratio N/A 1.5 MAIA Y Y Measurement Results psSAR1g [W/Kg] 0.336 Power Drift [dB] -0.03 Peak SAR (Extrapolated) [W/kg] 0.957 M2/M1 [%] 65.2 Dist 3dB Peak [mm] 6.5 FCC ID: A3LSMS741U SAR-001: SAR Test Report RevA Test Report SN: 2026.014.01 Page A2 of A75 RF SAFETY LABORATORY DUT: A3LSMS741U; SN: 0151M Test Conditions Exposure Condition Position, Test Distance [mm] Band Signal, UID Ant. Channel Number Frequency [MHz] ConvF (x,y,z) Body-worn Flat, BACK, 5.00 GSM 850 GSM: Voice, GMSK, 1 slot(s), 10021 A Ch. 190 836.600 9.17, 9.24,9.23 Test Setup Test Date Ambient Temp [°C] TSL Temp [°C] Measurement SW Phantom Type Cond. [S/m] TSL Perm. Probe, Cal. Date DAE, Cal. Date 2026-06-17 24.1 23 18.0.0.7250 Twin-SAM V8.0 - 2233 Head Simulating Liquid 0.905 42.5 EX3DV4 - SN7971, 2026-04-14 DAE4ip Sn1862, 2026-01-08 Scans Setup Area Scan Zoom Scan Grid Extents [mm] 120.0 x 210.0 30.0 x 30.0 x 31.2 Grid Steps [mm] 15.0 x 15.0 6.0 x 6.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Grading Ratio N/A 1.5 MAIA Y Y Measurement Results psSAR1g [W/Kg] 0.78 Power Drift [dB] 0.01 Peak SAR (Extrapolated) [W/kg] 1.38 M2/M1 [%] 82.8 Dist 3dB Peak [mm] 12.8 FCC ID: A3LSMS741U SAR-001: SAR Test Report RevA Test Report SN: 2026.014.01 Page A3 of A75 RF SAFETY LABORATORY DUT: A3LSMS741U; SN: 0151M Test Conditions Exposure Condition Position, Test Distance [mm] Band Signal, UID Ant. Channel Number Frequency [MHz] ConvF (x,y,z) Hotspot Flat, BACK, 5.00 GSM 850 GSM: Data, GSMK, 4 slot(s), 10028 E Ch. 128 824.200 9.17, 9.24,9.23 Test Setup Test Date Ambient Temp [°C] TSL Temp [°C] Measurement SW Phantom Type Cond. [S/m] TSL Perm. Probe, Cal. Date DAE, Cal. Date 2026-06-17 24.1 23 18.0.0.7250 Twin-SAM V8.0 - 2233 Head Simulating Liquid 0.901 42.5 EX3DV4 - SN7971, 2026-04-14 DAE4ip Sn1862, 2026-01-08 Scans Setup Area Scan Zoom Scan Grid Extents [mm] 120.0 x 210.0 30.0 x 30.0 x 31.2 Grid Steps [mm] 15.0 x 15.0 6.0 x 6.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Grading Ratio N/A 1.5 MAIA Y Y Measurement Results psSAR1g [W/Kg] 0.532 Power Drift [dB] 0.01 Peak SAR (Extrapolated) [W/kg] 1.02 M2/M1 [%] 79.6 Dist 3dB Peak [mm] 9.7 FCC ID: A3LSMS741U SAR-001: SAR Test Report RevA Test Report SN: 2026.014.01 Page A4 of A75 RF SAFETY LABORATORY DUT: A3LSMS741U; SN: H39GJ Test Conditions Exposure Condition Position, Test Distance [mm] Band Signal, UID Ant. Channel Number Frequency [MHz] ConvF (x,y,z) Head LeftHead, CHEEK, 0.00 GSM 1900 GSM: Voice, GMSK, 1 slot(s), 10021 A Ch. 512 1850.200 7.23, 6.96,6.94 Test Setup Test Date Ambient Temp [°C] TSL Temp [°C] Measurement SW Phantom Type Cond. [S/m] TSL Perm. Probe, Cal. Date DAE, Cal. Date 2026-05-04 22.3 22.2 17.0.4.7034 Twin-SAM V8.0 - 2164 Head Simulating Liquid 1.38 39.3 EX3DV4 - SN7853, 2025-11-07 DAE4ip Sn1844, 2025-11-05 Scans Setup Area Scan Zoom Scan Grid Extents [mm] 120.0 x 210.0 30.0 x 30.0 x 31.2 Grid Steps [mm] 15.0 x 15.0 6.0 x 6.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Grading Ratio N/A 1.5 MAIA Y Y Measurement Results psSAR1g [W/Kg] 0.071 Power Drift [dB] 0.08 Peak SAR (Extrapolated) [W/kg] 0.104 M2/M1 [%] 87.7 Dist 3dB Peak [mm] 11.7 FCC ID: A3LSMS741U SAR-001: SAR Test Report RevA Test Report SN: 2026.014.01 Page A5 of A75 RF SAFETY LABORATORY DUT: A3LSMS741U; SN: 0151M Test Conditions Exposure Condition Position, Test Distance [mm] Band Signal, UID Ant. Channel Number Frequency [MHz] ConvF (x,y,z) Body-worn Flat, BACK, 5.00 GSM 1900 GSM: Voice, GMSK, 1 slot(s), 10021 A Ch. 661 1880.000 7.23, 6.96,6.94 Test Setup Test Date Ambient Temp [°C] TSL Temp [°C] Measurement SW Phantom Type Cond. [S/m] TSL Perm. Probe, Cal. Date DAE, Cal. Date 2026-06-24 21.6 21.9 18.0.0.7250 Twin-SAM V8.0 - 2164 Head Simulating Liquid 1.40 42.0 EX3DV4 - SN7853, 2025-11-07 DAE4ip Sn1844, 2025-11-05 Scans Setup Area Scan Zoom Scan Grid Extents [mm] 120.0 x 210.0 36.0 x 30.0 x 31.2 Grid Steps [mm] 15.0 x 15.0 6.0 x 6.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Grading Ratio N/A 1.5 MAIA Y Y Measurement Results psSAR1g [W/Kg] 0.555 Power Drift [dB] 0.06 Peak SAR (Extrapolated) [W/kg] 1.02 M2/M1 [%] 83.4 Dist 3dB Peak [mm] 8.4 FCC ID: A3LSMS741U SAR-001: SAR Test Report RevA Test Report SN: 2026.014.01 Page A6 of A75 RF SAFETY LABORATORY DUT: A3LSMS741U; SN: 0151M Test Conditions Exposure Condition Position, Test Distance [mm] Band Signal, UID Ant. Channel Number Frequency [MHz] ConvF (x,y,z) Hotspot Flat, BACK, 5.00 GSM 1900 GSM: Data, GSMK, 4 slot(s), 10028 A Ch. 512 1850.200 7.23, 6.96,6.94 Test Setup Test Date Ambient Temp [°C] TSL Temp [°C] Measurement SW Phantom Type Cond. [S/m] TSL Perm. Probe, Cal. Date DAE, Cal. Date 2026-06-24 21.6 21.9 18.0.0.7250 Twin-SAM V8.0 - 2164 Head Simulating Liquid 1.38 42.0 EX3DV4 - SN7853, 2025-11-07 DAE4ip Sn1844, 2025-11-05 Scans Setup Area Scan Zoom Scan Grid Extents [mm] 120.0 x 210.0 30.0 x 30.0 x 31.2 Grid Steps [mm] 15.0 x 15.0 6.0 x 6.0 x 1.5 Sensor Surface [mm] 3.0 1.4 Grading Ratio N/A 1.5 MAIA Y Y Measurement Results psSAR1g [W/Kg] 0.538 Power Drift [dB] -0.01 Peak SAR (Extrapolated) [W/kg] 0.973 M2/M1 [%] 82.6 Dist 3dB Peak [mm] 8.4 FCC ID: A3LSMS741U SAR-001: SAR Test Report RevA Test Report SN: 2026.014.01 Page A7 of A75 RF SAFETY LABORATORY DUT: A3LSMS7…

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FCC ID: A3LSMS741U SAR-001: SAR Test Report RevA Test Report SN: 2026.014.01 Page B1 of B9 Appendix B: Tissue Stimulating Liquids, System Checks and System Validation B.1. SAR System Check Prior to SAR assessment, the system is verified to ±10% of the SAR measurement on the reference dipole at the time of calibration by the calibration facility. Full system validation status and result summary can be found in Section B.4. Table 1 System Check Results (SAR) System Frequency (MHz) Tissue Type Date Amb. Temp. (°C) Tissue Temp (°C) Input Power (dBm) Verification Source SN Probe SN DAE SN Measured 1g SAR (W/Kg) 1W Target 1g SAR (W/Kg) 1W Normalized 1g SAR (W/Kg) 1g SAR Deviation Measured 10g SAR (W/Kg) 1W Target 10g SAR (W/Kg) 1W Normalized 10g SAR (W/Kg) 10g SAR Deviation Measured APD 4 cm2 (W/m2) 1W target APD 4cm2 (W/m2) 1W Normalized APD 4cm2 (W/m2) APD 4cm2 Deviation Gamma13Head5/20/202622.823.424.51041787218430.1370.4570.4866.37%0.0840.2960.2980.69%N/AN/AN/AN/A Epsilon750Head5/6/202622.823.4171235797118620.4148.6908.260-4.94%0.2735.6905.447-4.27%N/AN/AN/AN/A Epsilon750Head5/11/202623.122.7171235797118620.4288.6908.540-1.73%0.2835.6905.647-0.76%N/AN/AN/AN/A Zeta750Head5/20/202621.820.5171235796919330.4008.6907.981-8.16%0.2665.6905.307-6.72%N/AN/AN/AN/A Epsilon750Head6/1/202621.721.8171235797118620.4108.6908.181-5.86%0.2715.6905.407-4.97%N/AN/AN/AN/A Epsilon750Head6/8/202623.021.5171235797118620.4078.6908.121-6.55%0.2695.6905.367-5.67%N/AN/AN/AN/A Epsilon835Head5/11/202623.122.7174d311797118620.5069.82010.0962.81%0.3326.3706.6243.99%N/AN/AN/AN/A Zeta835Head5/13/202621.520.3174d311796919330.4769.8209.497-3.28%0.3146.3706.265-1.65%N/AN/AN/AN/A Epsilon835Head5/18/202620.521.3174d311797118620.5039.82010.0362.20%0.3316.3706.6043.68%N/AN/AN/AN/A Zeta835Head5/20/202621.820.5174d311796919330.4779.8209.517-3.08%0.3166.3706.305-1.02%N/AN/AN/AN/A Epsilon835Head6/1/202621.721.8174d311797118620.4979.8209.9160.98%0.3276.3706.5252.43%N/AN/AN/AN/A Epsilon835Head6/17/202624.123.0174d311797118620.4849.8209.657-1.66%0.3186.3706.345-0.39%N/AN/AN/AN/A Delta1750Head5/6/202622.722.4171205785318441.80036.50035.915-1.60%0.96319.20019.2140.07%N/AN/AN/AN/A Delta1750Head5/20/202621.321.1171205785318441.80036.50035.915-1.60%0.96619.20019.2740.39%N/AN/AN/AN/A Zeta1750Head5/26/202621.520.5171205796919331.82036.50036.314-0.51%0.97019.20019.3540.80%N/AN/AN/AN/A Zeta1750Head6/1/202620.821.0171205796919331.78036.50035.516-2.70%0.94819.20018.915-1.48%N/AN/AN/AN/A Zeta1750Head6/7/202621.120.0171205796919331.75036.50034.917-4.34%0.94019.20018.755-2.32%N/AN/AN/AN/A Zeta1750Head6/30/202624.721.1171205796919331.75036.50034.917-4.34%0.93819.20018.716-2.52%N/AN/AN/AN/A Delta1900Head5/4/2026 22.322.2175d252785318442.01039.80040.1050.77%1.06021.00021.1500.71%N/AN/AN/AN/A Delta1900Head5/6/202622.722.4175d252785318442.04039.80040.7032.27%1.07021.00021.3491.66%N/AN/AN/AN/A Zeta1900Head5/11/202622.522.2175d252796919331.87039.80037.311-6.25%0.98121.00019.574-6.79%N/AN/AN/AN/A Delta1900Head5/20/202621.321.1175d252785318442.02039.80040.3041.27%1.06021.00021.1500.71%N/AN/AN/AN/A Zeta1900Head6/1/202620.821.0175d252796919331.88039.80037.511-5.75%0.99021.00019.753-5.94%N/AN/AN/AN/A Zeta1900Head6/7/202621.120.0175d252796919331.93039.80038.509-3.24%1.02021.00020.352-3.09%N/AN/AN/AN/A Delta1900Head6/24/202621.621.9175d252785318442.00039.80039.9050.26%1.05021.00020.950-0.24%N/AN/AN/AN/A Gamma2300Head5/12/202624.723.1171139787218432.44049.00048.684-0.64%1.18023.70023.544-0.66%N/AN/AN/AN/A Beta2300Head5/26/202622.622.2171139785718382.50049.00049.8821.80%1.21023.70024.1431.87%N/AN/AN/AN/A Beta2450Head5/28/202621.922.2171112785718382.56050.60051.0790.95%1.21023.70024.1431.87%N/AN/AN/AN/A Beta2450Head6/8/202622.420.9171112785718382.60050.60051.8772.52%1.23023.70024.5423.55%N/AN/AN/AN/A Epsilon2450Head6/10/202621.720.9171112797118622.40050.60047.886-5.36%1.14023.70022.746-4.03%N/AN/AN/AN/A Delta2450Head6/14/202620.420.8171112785318442.50050.60049.882-1.42%1.17023.70023.345-1.50%N/AN/AN/AN/A Epsilon2450Head6/14/202621.221.2171112797118622.45050.60048.884-3.39%1.16023.70023.145-2.34%N/AN/AN/AN/A Beta2600Head5/18/202621.720.4171215785718382.75055.30054.870-0.78%1.25024.90024.9410.16%N/AN/AN/AN/A Delta2600Head5/27/202622.822.1171215785318442.60055.30051.877-6.19%1.18024.90023.544-5.45%N/AN/AN/AN/A Delta2600Head6/1/202621.921.8171215785318442.53055.30050.480-8.72%1.14024.90022.746-8.65%N/AN/AN/AN/A Beta2600Head6/3/202621.921.9171215785718382.70055.30053.872-2.58%1.22024.90024.342-2.24%N/AN/AN/AN/A Zeta2600Head6/17/202624.122.0171215 796919332.59055.30051.677-6.55%1.18024.90023.544-5.45%N/AN/AN/AN/A Delta3500Head5/13/202621.520.8171154785318443.09065.10061.654-5.29%1.18024.60023.544-4.29%N/AN/AN/AN/A Gamma3500Head6/3/202621.920.8171154787218433.25065.10064.846-0.39%1.24024.60024.7410.57%N/AN/AN/AN/A Delta3500Head6/7/202620.520.9171154785318443.12065.10062.252-4.37%1.19024.60023.744-3.48%N/AN/AN/AN/A Delta3500Head6/24/202622.821.3171154785318443.12065.10062.252-4.37%1.18024.60023.544-4.29%N/AN/AN/AN/A Delta3700Head5/13/202621.520.8171130785318443.24066.60064.646-2.93%1.21024.50024.143-1.46%N/AN/AN/AN/A Gamma3700Head6/3/202621.920.8171130787218433.38066.60067.4401.26%1.26024.50025.1402.61%N/AN/AN/AN/A Delta3700Head6/7/202620.520.9171130785318443.12066.60062.252-6.53%1.17024.50023.345-4.72%N/AN/AN/AN/A Delta3700Head6/24/202622.821.3171130785318443.15066.60062.851-5.63%1.18024.50023.544-3.90%N/AN/AN/AN/A Delta3900Head5/13/202621.520.8171101785318443.25070.20064.846-7.63%1.15024.60022.946-6.73%N/AN/AN/AN/A Gamma5250Head6/10/202621.121.9171396787218433.88077.90077.416-0.62%1.11022.40022.147-1.13%N/AN/AN/AN/A Gamma5250Head6/14/202621.421.1171396787218433.93077.90078.4140.66%1.12022.40022.347-0.24%N/AN/AN/AN/A Gamma5250Head6/17/202624.524.0171396787218433.94077.90078.6130.92%1.13022.40022.5460.65%N/AN/AN/AN/A Gamma5600Head6/10/202621.121.9171396787218434.18081.10083.4022.84%1.18023.30023.5441.05%N/AN/AN/AN/A Gamma5600Head6/14/202621.421.1171396787218434.17081.10083.2…

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FCC ID: A3LSMS741U SAR-001: SAR Test Report RevA Test Report SN: 2026.014.01 Page C1 of C61 Appendix C: System Check Plots RF SAFETY LABORATORY System Verification Verification Conditions Verification Source Power [dBm] Phantom Section Test Distance [mm] Signal, UID Frequency [MHz] ConvF (x, y, z) CLA-13 - SN1041 24.5 Flat 0 CW, 0 13.000 14.3, 16.56,15.27 Test Setup Test Date Ambient Temp [°C] TSL Temp [°C] Measurement SW Phantom TSL Type Cond. [S/m] Perm. Probe, Cal. Date DAE, Cal. Date 2026-05-20 22.8 23.4 16.4.0.5005 ELI V8.0 - 2216 Head Simulating Liquid 0.752 52.9 EX3DV4 - SN7872, 2025-08-08 DAE4ip Sn1843, 2025-07-30 Scans Setup Area Scan Zoom Scan Grid Extents [mm] 40.0 x 90.0 30.0 x 36.0 x 31.2 Grid Steps [mm] 10.0 x 15.0 6.0 x 6.0 x 1.5 Sensor Surface [mm] 3.0 1.4…

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