Galaxy S21 5G SM-G991W Binary 1 Firmware

The specific Galaxy S21 5G SM-G991W U1 Firmware Download Package has a Stock ROM of Galaxy S21 5G SM-G991W U1. This helps you to bypass the FRP lock and revert from the root and custom ROM.

Advertisement

Samsung Galaxy S21 5G SM-G991W G991WVLU 1 ATLH_G991WOYV1ATLH_XAC_11.0

There are various reasons to flash “Stock Firmware on Galaxy S21 5G SM-G991W U1“. For instance, if your phone gets stuck on the logo and you need to remove the FRP lock from it.

The Advantages Of Stock ROM:

  • Fix boot loop issue
  • Update and Downgrade
  • Unroot or Fix Bugs
  • To solve the lag or stutter
  • Fix software issues.
  • Revert to stock firmware

Pre-requirements:

Galaxy S21 5G SM-G991W U1 Stock ROM Details:

SM-G991W G991WVLU 1 ATLH_G991WOYV1ATLH_XAC_11.0:

Model: SM-G991W Binary 1, U1, S1, Bit 1
Language: Multi-Language
Android version: Android 11 R
Operator / Carrier: Clean (without logo, operator apps)
PDA: G991WVLU1ATLH
CSC: G991WOYV1ATLH
Size: 7.1 GB
[quads id=2]
One Drive Google Drive GD2

How To Install Galaxy S21 5G SM-G991W U1 Stock Firmware:

1: Install the Samsung USB Driver on your pc.

2: Download and extract the Galaxy S21 5G SM-G991W U1 Firmware files on your computer.

3: Now, Switch off your Smartphone.

4: Turn off the phone and boot into Download Mode.

Press and hold Volume Down, Home and Power button at the same time for 5-8 seconds until download mode is active.

5: A Warning Yellow Triangle Sign appears in Download mode. Press the Volume Up key to proceed.

6: Open Odin. Then, connect your phone to the pc.

7: After connecting the smartphone to the computer, Odin will automatically recognize the device and display the “Added” message in the lower left panel.

8: Click the PDA button and select the Firmware.tar file.

9: Now, click the Start button in Odin to begin the Flashing.

10: Flashing usually takes 30-50 seconds to complete on your Phone.

Once you spot the “Pass” message in Odin, you can unplug your device from the computer.

You should run your desired firmware when your Galaxy S21 5G SM-G991W finally boots up.

To verify the installed firmware, go to Settings –> About Phone –> Software Information. Check the firmware number under “Baseband version.”

Disclaimer:

  • Read and understand the Full Guide before flashing.”Galaxy S21 5G SM-G991W U1 Firmware.
  • Use these instructions at your own risk. We are not liable for any outcomes on your device due to following the information in this guide.
  • Phone must have a 70–80% charge.