G930AUCU4BQD4 - Galaxy S7 SM-G930A AT&T Android 7.0 Nougat

Firmware build G930AUCU4BQD4 for AT&T Galaxy S7 SM-G930A. This firmware is Android 7.0 Nougat OS update, officially released on  May 23, 2017.
DeviceGalaxy S7 SM-G930A
Android version7.0 (Nougat)
Baseband versionG930AUCU4BQD4
Kernel version3.18.31-11198144
Build numberNRD90M.G930AUCU4BQD4
Android security patch level2017-03-01

Stock Odin tarballs and SD-Card/ADB Sideload packages

BL - BootloaderBL_G930AUCU4BQD4 Link
AP - PhoneAP_G930AUCU4BQD4 [Link]
CP - ModemCP_G930AUCU4BQD4 [Link]
CSC - Consumer CodeCSC_ATT_G930AATT4BQD4 [Link]
SDcard/ADB SideloadUCS4BQC2-to-G930AUCU4BQD4 [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 SM-G930A (AT&T) Stock Firmware

Using a Stock firmware: How to Use Stock Firmware

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.