FCCID.CO- FCC ID Database
HomeCompaniesEquipment ClassesSearch

© 2026 FCC ID Database. All rights reserved.

AboutContactData sourced from FCC public records
  1. Home/
  2. Huawei Technologies Co.,Ltd/
  3. QISY511-U251

QISY511-U251WCDMA Digital Mobile Phone

Huawei Technologies Co.,Ltd
WCDMA Digital Mobile Phone - FCC ID QISY511-U251 - Huawei Technologies Co.,Ltd
Click to zoom

Application Details

Equipment Class
DSS - Part 15 Spread Spectrum Transmitter
Date of Grant
Aug 12, 2013
Application Purpose
Original Equipment
Date of Application
Aug 07, 2013
Equipment Note
WCDMA Digital Mobile Phone
Frequency Range
2402.00000000 - 2480.00000000
Company
Huawei Technologies Co.,Ltd
Country
China

Documents & Files

Select a file to view

Users Manual

↗

Cover Letter(s)

↗
↗
↗
↗

External Photos

ID Label/Location Info

↗

Internal Photos

↗

Test Report

↗

Test Setup Photos

↗

Document Text

Text extracted from the exhibit documents filed with the FCC. Open a document above to read the original.

Users Manual

Quick Start Guide Y511 1 Personal Information and Data Security The use of some functions or third-party applications on your device could result in your personal information and data being lost or becoming accessible to others. Several measures are recommended to help you protect personal and confidential information.  Place your device in a safe area to prevent it from unauthorized use.  Set your device screen to lock and create a password or unlock pattern to open it.  Periodically back up personal information kept on your SIM/UIM card, memory card, or stored in your device memory. If you change to a different device, be sure to move or delete any personal information on your old device.  If you are worried about viruses when you receive messages or emails from a stranger, you can delete them without opening them.  If you use your device to browse the Internet, avoid websites that might pose a security risk to avoid theft of your personal information.  If you use services such as Wi-Fi tether or Bluetooth, set passwords for these services to prevent unauthorized access. When these services are not in use, turn them off.  Install or upgrade device security software and regularly scan for viruses.  Be sure to obtain third-party applications from a legitimate source. Downloaded third-party applications should be scanned for viruses.  Install security software or patches released by Huawei or third-party application providers. 2  Some applications require and transmit location information. As a result, a third-party may be able to share your location information.  Your device may provide detection and diagnostic information to third-party application providers. Third party vendors use this information to improve their products and services.  If you have concerns about the security of your personal information and data, please contact [email protected]. Phone at a Glance Installing the SIM Card There are two steps to install the SIM card: 1. Remove the battery cover. 2. Insert the SIM card. 3 (Optional) Installing the microSD Card If you want to expand your phone memory, you can also insert a microSD card. 1. Remove the battery cover. 2. Insert the microSD card into the card slot as shown in the diagram. Do not insert or remove the SIM/USIM or microSD card when the phone is powered on as it may damage your phone. Removing the microSD card when the phone is running will also cause the phone to automatically shut down. Installing the Battery 1. Angle the edge labeled a (with the contacts) into the top end of the battery compartment. 2. Push the edge labeled b into the compartment until the battery clicks firmly into place. 4 Charging the Battery Before charging the battery, ensure that it has been properly installed on your phone. 1. Connect the charger to USB cable. 2. Connect the charger to a power outlet. 3. Connect the USB cable to the phone to start charging. If your phone is powered on, the battery icon on the notification bar displays the charging status. The icon indicates the battery is fully charged. Touchscreen Actions Using your finger on the touchscreen, you can operate your phone conveniently. 5 Powering On Your Mobile Phone Press and hold (Power key) located on the right side of the device. The first time you power on your phone, you will be asked to sign in to your account and set up your mobile phone. If personal identification number (PIN) protection is enabled on your mobile phone, you must enter your PIN before using the mobile phone. Power-On Setup When you turn on your phone for the first time, you can follow the onscreen instructions to complete the setup, or skip the setup and do it at another time. Powering Off Your Mobile Phone 1. Press and hold (Power key) to open the options menu. 2. To uch Power off. 3. To uch OK. Locking the Screen  When your phone is on, press (Power key) to lock the screen.  If your phone is idle for a while, the screen will lock automatically. Unlocking the Screen 1. Press (Power key) to wake up the screen. 2. Drag the lock icon from left to right to unlock the screen. 6 Home Screen Touch and hold a shortcut, you can then drag it to your desired location. You can also drag an icon from another area of the screen to the shortcut position. Adding a New Home Screen Item 1. On the home screen, touch . 2. Touch and hold an item to add it to the home screen. 7 Moving a Home Screen Item 1. Touch and hold an item on the home screen until the item expands in size. 2. Without lifting your finger, drag the item to the desired position on the screen, and then release it. Removing a Home Screen Item 1. Touch and hold an item on the home screen until the item expands. 2. Without lifting your finger, drag the item to Remove. When the item and the remove icon turn red, the item is ready to be removed. 3. Release the item to remove it from the home screen. Importing Contacts from a SIM Card 1. In the contact list, touch > Import/export. 2. Select the SIM card to copy contacts from and touch Next. 3. Select copy contacts to Phone contact and touch Next. 4. Select the contacts you want to import and then touch OK to import. Adding a Contact 1. In the contact list, touch . 2. If you have more than one account with contacts, touch the account to which you want to add the contact. 3. Enter the contact’s name, and then add detailed information such as phone number and address. 4. When you are finished, touch DONE to save the contact information. 8 Making a Call with the Dialer Application 1. On the home screen, touch or > Phone to display the dialer. 2. Touch the appropriate number keys to enter the phone n um b e r. 3. To uch at the bottom to initiate the call. Your mobile phone supports the smart dial function, that is, when you touch numbers on the dialer, the phone automatically searches among your contacts and lists the matching results ordered according to the accuracy of the match. If no contacts match the information entered, the phone will no…

Text truncated - open the document above for the full version.

Cover Letter(s)

HUAWEI TECHNOLOGIES CO., LTD. Date: 2013-08-01 Federal Communications Commission Authorization and Evaluation Division FCC ID: QISY511-U251 ATTESTATION FCC ID: QISY511-U251 Product: WCDMA Digital Mobile Phone Model: HUAWEI Y511-U251 We don't provide any controls or software to allow operation outside the USA frequency band when we sell this product in USA. Sincerely, __________________ Zhang Xinghai/EMC Laboratory Manager HUAWEI TECHNOLOGIES CO., LTD.

Cover Letter(s)

RF_160, Issue 02 HUAWEI TECHNOLOGIES CO., LTD. Declaration of Authorization We Name: HUAWEI TECHNOLOGIES CO., LTD. Address: Administration Building, Headquarters of Huawei Technologies Co., Ltd., Bantian, Longgang District, Shenzhen, 518129, P.R.C City: ......... ShenZhen ................................................................ Country:.........China ............................................................................ Declare that: Name Representative of agent: Gene Chang (1) Agent Company name: QuieTek Corp. Address: Fl.2, No.345, Xin-hu 2 nd Rd., Nei-hu District City: Taipei Country Taiwan is authorized to apply for Certification of the following product(s): Product description: WCDMA Digital Mobile Phone Type designation: HUAWEI Y511-U251 on our behalf. Date: 2013-08-01 City: SHENZHEN Name: Zhang Xinghai (2) Function: EMC Laboratory Manager Signature: Notes: (1): Required for FCC application (2): For FCC it must be the Grantee Code “owner” or the authorized agent.

Cover Letter(s)

HUAWEI TECHNOLOGIES CO., LTD. Date: 2013-08-01 Federal Communications Commission Authorization and Evaluation Division FCC ID: QISY511-U251 Confidentiality Request Pursuant to Sections 0.457 and 0.459 of the Commission’s Rules, the Applicant hereby requests confidential treatment of information accompanying this Application as outlined below: 1 Schematics 2 Block Diagram 3 Operational Description 4 BOM List 5 Tune up procedure The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these matters might be harmful to the Applicant and provide unjustified benefits to its competitors. The Applicant understands that pursuant to Rule 0.457, disclosure of this Application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, _________________________ Zhang Xinghai/EMC Laboratory Manager HUAWEI TECHNOLOGIES CO., LTD.

Cover Letter(s)

HUAWEI TECHNOLOGIES CO., LTD. Attestation for FCC Declaration of Conformity FCC ID: QISY511-U251 Date: 2013/08/01 Please be notified that we, the undersigned, HUAWEI TECHNOLOGIES CO., LTD., declares that the product which bears the above FCC ID is also compliant with the FCC requirements for DOC. The test report number supporting the DOC is 137203R-ITUSP01V02 Testing in regards to this report was done by QuieTek Corp., located at No.5-22, Rueishu Keng, Rueiping Tsuen, Linkou Shiang, Taipei County 244, Taiwan, which has been accredited in accordance to all of the requirements of 47CFR 2.948 (d) and (e) of the FCC rules and KDB349827. Sincerely, Zhang Xinghai/EMC Laboratory Manager HUAWEI TECHNOLOGIES CO., LTD.

Internal Photos

(1) EUT Photo (2) EUT Photo (3) EUT Photo (4) EUT Photo (5) EUT Photo (6) EUT Photo (7) EUT Photo

Test Report

Test Report FCC Part15 Subpart C Product Name : WCDMA Digital Mobile Phone Model No. : HUAWEI Y511-U251 FCC ID : QISY511-U251 Applicant : HUAWEI TECHNOLOGIES CO., LTD Address : Administration Building, Headquarters of Huawei Technologies Co., Ltd., Bantian, Longgang District, Shenzhen, 518129, P.R.C Date of Receipt : 03/07/2013 Test Date : 03/07/2013~24/07/2013 Issued Date : 26/07/2013 Report No. : 137S029R-RF-US-P06V02 Report Version : V1.0 The test results relate only to the samples tested. The test results shown in the test report are traceable to the national/international standard through the calibration of the equipment and evaluated measurement uncertainty herein. This report must not be used to claim product endorsement by TAF, CNAS or any agency of the Government. The test report shall not be reproduced except in full without the written approval of QuieTek Corporation. Report No.: 137S029R-RF-US-P06V02 Page: 2 of 50 Test Report Certification Issued Date : 26/07/2013 Report No. : 137S029R-RF-US-P06V02 Product Name : WCDMA Digital Mobile Phone Applicant : HUAWEI TECHNOLOGIES CO., LTD. Address : Administration Building, Headquarters of Huawei Technologies Co., Ltd., Bantian, Longgang District, Shenzhen, 518129, P.R.C Manufacturer : HUAWEI TECHNOLOGIES CO., LTD. Address : Administration Building, Headquarters of Huawei Technologies Co., Ltd., Bantian, Longgang District, Shenzhen, 518129, P.R.C Model No. : HUAWEI Y511-U251 FCC ID : QISY511-U251 EUT Voltage : DC: 3.7V Brand Name : HUAWEI Applicable Standard : FCC CFR Title 47 Part 15 Subpart C: 2008 ANSI C63.4: 2009; KDB 558074 Test Result : Complied Performed Location : Suzhou EMC Laboratory No.99 Hongye Rd., Suzhou Industrial Park Loufeng Hi-Tech Development Zone., Suzhou, China TEL: +86-512-6251-5088 / FAX: +86-512-6251-5098 FCC Registration Number: 800392 Documented By : Reviewed By : Approved By : Report No.: 137S029R-RF-US-P06V02 Page: 3 of 50 Laboratory Information We, QuieTek Corporation, are an independent EMC and safety consultancy that was established the whole facility in our laboratories. The test facility has been accredited/accepted(audited or listed) by the following related bodies in compliance with ISO 17025, EN 45001 and specified testing scope: The related certificate for our laboratories about the test site and management system can be downloaded from QuieTek Corporation’s Web Site :http://www.quietek.com/tw/ctg/cts/accreditations.htm The address and introduction of QuieTek Corporation’s laboratories can be founded in our Web site : http://www.quietek.com/ If you have any comments, Please don’t hesitate to contact us. Our contact information is as below: HsinChu Testing Laboratory : No.75-2, 3rd Lin, Wangye Keng, Yonghxing Tsuen, Qionglin Shiang, Hsinchu County 307, Taiwan, R.O.C. TEL:+886-3-592-8858 / FAX:+886-3-592-8859 E-Mail : [email protected] LinKou Testing Laboratory : No.5-22, Ruishukeng, Linkou Dist., New Taipei City 24451, Taiwan, R.O.C. TEL : 886-2-8601-3788 / FAX : 886-2-8601-3789 E-Mail : [email protected] Suzhou Testing Laboratory : No.99 Hongye Rd., Suzhou Industrial Park Loufeng Hi-Tech Development Zone., SuZhou, China TEL : +86-512-6251-5088 / FAX : 86-512-6251-5098 E-Mail : [email protected] Taiwan R.O.C. :BSMI, NCC, TAF Germany :TUV Rheinland Norway :Nemko, DNV USA :FCC Japan :VCCI China :CNAS Report No.: 137S029R-RF-US-P06V02 Page: 4 of 50 TABLE OF CONTENTS Description Page 1. General Information ...................................................................................................... 6 1.1. EUT Description ............................................................................................................ 6 1.2. Mode of Operation ........................................................................................................ 9 1.3. Tested System Details ................................................................................................ 10 1.4. Configuration of Tested System .................................................................................. 11 1.5. EUT Exercise Software ............................................................................................... 12 2. Technical Test ............................................................................................................. 13 2.1. Summary of Test Result .............................................................................................. 13 2.2. Test Environment ........................................................................................................ 14 3. Conducted Emission ................................................................................................... 15 3.1. Test Equipment ........................................................................................................... 15 3.2. Test Setup ................................................................................................................... 15 3.3. Limit ............................................................................................................................ 16 3.4. Test Procedure ............................................................................................................ 16 3.5. Uncertainty .................................................................................................................. 16 3.6. Test Result .................................................................................................................. 17 4. Radiated Emission ...................................................................................................... 19 4.1. Test Equipment ........................................................................................................... 19 4.2. Test Setup ................................................................................................................... 20 4.3. Limit ...........................................................................…

Text truncated - open the document above for the full version.

Test Setup Photos

Test Setup Photograph for Part 15.247(BT/WiFi) Description: Conducted Emission Test Setup Description: Radiated Emission Test Setup for Below 30MHz Description: Radiated Emission Test Setup for Below 1GHz Description: Radiated Emission Test Setup for 1~18GHz Description: Radiated Emission Test Setup for Above 18GHz Test Photograph for 22&24 Description: ERP Test Setup Description: Substitution Antenna for ERP Test Description: EIRP Test Setup Description: Substitution Antenna for EIRP Test Test Setup Photograph for SAR Test Setup Photographs Left-Cheek Touch Left-Tilt 15° Right-Cheek Touch Right-Tilt 15° Body SAR Back 10mm Body SAR Front 10mm Body SAR Bottom 10mm for GSM/UMTS Body SAR Right Side 10mm for GSM/UMTS Body SAR Left Side 10mm for GSM/UMTS Body SAR Top 10mm for Wi-Fi Body SAR Right Side 10mm for Wi-Fi Depth of the liquid in the phantom – Zoom in Note: The position used in the measurements were according to IEEE 1528 – 2003

Contact Information

Applicant

Zhang Xinghai
[email protected]+86-755-2897-0299Fax: +86-755-8965-0226

Technical Contact

QuieTek Technology (Suzhou) Co.,Ltd.Robin Wu
[email protected]86-0512-6251-5088

No.99 Hongye RD.Suzhou Industrial Park, · Suzhou · China

Non-Technical Contact

QuieTek Technology (Suzhou) Co.,Ltd.Yuki Li
[email protected]86-0512-6251-5088

Test Firm

DEKRA Testing and Certification (Suzhou) Co., Ltd.Jerry Pan
[email protected]86-512-62515088Fax: 86-512-62515098

Technical Specifications

#Rule PartsFrequency RangePower Output
115C2.40 GHz - 2.48 GHz4.41 mW
Confidentiality
Long Term
Grant Notes
Power Output listed is conducted. End-users and installers must be provided with antenna installation instructions and transmitter operating conditions for satisfying RF exposure compliance. This device contains WLAN and GSM/WCDMA transmitters.

Other Applications from Huawei Technologies Co.,Ltd

Solar Inverter - FCC ID QISSUN2000 - Huawei Technologies Co.,Ltd
QISSUN2000

Solar Inverter

Jun 27, 2021

Equipment Class

DTS - Digital Transmission System
Watch Wireless Charger - FCC ID QISCP81-1 - Huawei Technologies Co.,Ltd
QISCP81-1

Watch Wireless Charger

Oct 22, 2020

Equipment Class

DCD - Part 15 Low Power Transmitter Below 1705 kHz
Remote Radio Unit - FCC ID QISRRU3278 - Huawei Technologies Co.,Ltd
QISRRU3278

Remote Radio Unit

Sep 02, 2020

Equipment Class

CBD - Citizens Band Category A and B Devices
Indoor Router - FCC ID QISR2561 - Huawei Technologies Co.,Ltd
QISR2561

Indoor Router

Jul 11, 2020

Equipment Class

DTS - Digital Transmission System
Solar Smart Monitor & Data Logger - FCC ID QISSMARTLOGGER310 - Huawei Technologies Co.,Ltd
QISSMARTLOGGER310

Solar Smart Monitor & Data Logger

Mar 23, 2020

Equipment Class

DTS - Digital Transmission System