G935AUCU4BQD4 AT&T Galaxy S7 edge Android 7.0 Nougat Firmware

Stock Android 7.0 Nougat Firmware build G935AUCU4BQD4 for AT&T Galaxy S7 edge SM-G935A. This firmware were officially released on May 10, 2017. It brings various fixes, including Advanced Messaging, Backup & Sync, Wi-Fi calling, and Video Calling improvements.

DeviceGalaxy S7 edge SM-G935A
Android version7.0 (Nougat)
Android security patch levelApril 1, 2017
Baseband versionG935AUCU4BQD4
Kernel version3.18.31-11198144
Build numberNRD90M.G935AUCU4BQD4
Release dateMay 10, 2017

BL - Odin3 tarballBL_G935AUCU4BQD4 - [Link]
AP- Odin3 tarballAP_G935AUCU4BQD4 - [Link]
CP - Odin3 tarballCP_G935AUCU4BQD4 - [Link]
CSC - Odin3 tarballCSC_ATT_G935AATT4BQD4 - [Link]
SD-card/ADB SideloadUCS4BQC2-to-G935AATT4BQD4 - [Link]

Important Note: Always use the latest firmware updates as includes but not limited to, new or enhanced Apps and Features,  device stability, fixes and resolves known issues, additional improvements to the device performance such as camera, data connectivity, audio and video quality, and various system improvements.   You may check the newer firmware version here: Galaxy S7 edge SM-G935A (AT&T) Stock Firmware

Using a Stock firmware: How to Use Stock Firmware

This Stock firmware can only be use to restore the Galaxy S7 edge  SM-G935A  to its original Android operating system.  Use it only if the device has been modified in unauthorized way and if the device no longer receives an OTA updates.

Read the Full Guide: How to Restore Back Galaxy S7 and S7 Edge to Stock Firmware

SD card/ADB Side load Instructions:

Simply drop the stock OTA update file into the SD-Card. Next reboot the phone into Recovery mode  (press and hold Volume Up+Home + Power buttons). Select apply update from SDcard, then tap install update. Wait until the phone restart on it’s own, that’s it!

Odin3 Flashing Procedures:

  • Recharge the phone or it should have at-least 50% remaining power.
  • Backup all important data stored in the phone’s memory, such as contact, messages, music, videos, pictures, documents, and more.
  • Grab these tools:
    – Odin3 Multi-flasher
    – Samsung smartphones USB driver.
  1. Extract the firmware package.
  2. Extract and run Odin3 multi-flasher .
  3. Reboot the phone in Download Mode (press and hold Home + Power + Volume Down buttons)
  4. Connect the phone to PC and wait until the recognized the phone
  5. Load the firmware file:
    – Single file – load in the AP button
    – Multiple packed  – load each file in Odin3’s designated slots, such as AP, BL, CP, and CSC button
  6. Make sure re-partition is NOT ticked.
  7. Click the Start button, wait for a couple minutes until the installation finishes.

You may also perform the factory data reset to obtain a fresher and cleaner firmware installation. Doing so after every new update is installed will get rid of lag issues.