Nokia G21 Firmware Flash File – Android 12 S

Nokia G21 Firmware

Download Firmware/Flash File For Nokia G21:

Nokia G21 Firmware: The specific Nokia G21 Firmware comes with a Stock ROM of the Nokia G21. This helps you to bypass the FRP lock and revert from the root and custom ROM.

There are various reasons to flash (Firmware on Nokia G21).

For example, your phone will be stuck or hang on the logo. You want to remove the FRP lock from it. If you’re going to reset your phone hard and cannot access the recovery menu. But most of the problems and benefits that cause flashing stock ROM are below.

The Benefit Of Nokia G21 Firmware:

  • Flash Stock ROM to unbrick your Nokia G21
  • Update and downgrade
  • Unroot or fix bugs on the phone
  • To solve the lag or stutter
  • By flashing Stock ROM, you can fix software issues.
  • Revert to stock to get your warranty
  • Keeps rebooting issue
  • If your phone boots straight into recovery
  • Phone boots straight into its bootloader

Firmware Information:

Device Name Nokia G21
ROM Type Full ROM
SoC unisoc
OS Android 12 S
Password Null
Root Access No
Region GLO
Firmware Version Check below List
[quads id=2]
Download Links V2.420 recovery update A12
  • Charge your mobile: Your phone may no less than a half charge.
  • Laptop or PC: To execute this installation, you must use a PC or Laptop.
  • 1. Take Nokia G21 Full Backup

Before going to install Nokia G21 stock ROM you need to take a backup of all your messages, photos, and apps from your smartphone.

Most smartphones automatically make a backup in the background. But to make sure you take everything to your new device, you need a full backup.

How To Backup Android Phone Before Flashing Stock Firmware

  • 2. Download Nokia G21 Flash Tool And Drivers:
  • A.  Download and install Nokia G21 Drivers. The necessary communication between your device and PC.

These drivers are mainly for the devices powered by the SPD chipset. With these drivers, you can transfer files, flash the firmware files on the device, etc.

  • B. We use the Spreadtrum flash tool as the Nokia G21 Flash Tool because this tool is very efficient and support all kind of SPD phones.
Instructions to Flash Nokia G21 Stock ROM:

1: Download and install SPreadtrum USB Driver on your computer.

2: Download the Nokia G21 flash file.

3: Extract Spreadtrum Upgrade Tool on your computer.

4: Now open Spreadtrum Upgrade Tool .exe.

5: Once SPreadtrum Upgrade Tool is Launched, Connect your device to the computer (Make sure your device is switched off).

6: Once your Smartphone is connected successfully to the computer, click on the Load Packed Button and add the Nokia G21 ROM file. (having .pac extension)

7: Once you have successfully added the. Pac file in SPD Upgrade Tool, click on the Start Downloading button to begin the flashing process.

8: Wait for 2 – 10 minutes, as the device is in the flashing process.

9: During the flashing process, your device will restart automatically. Once flashing is completed, you will be able to see the Green Passed Message in SPD Upgrade Tool.

10: Close the SPD Tool on your computer and disconnect your Android Smartphone from the computer.

  • Congratulations, You have successfully installed Nokia G21 Stock ROM using the SPD Flash tool.

Follow Detailed Instruction To Flash Firmware With SPD Flash Tool.

Instructions on How to Install the Recovery ROM:

move the downloaded file to the root directory, then reboot the device into recovery mode, and install the update from the SD card.

Fastboot Recovery ROM Flashing:

With the payload dumper, get the new ROM (payload.bin) to flash with fastboot.

fastboot flash 'partition name' 'filename'


  • Please read and understand the Full Guide before flashing “Nokia G21 Firmware”.
  • Use these instructions at your own risk. We will not be responsible for everything that happens to your device, resulting from the use of information in this guide.
  • Before flashing, Stock ROM on Nokia G21 must have a 70–80% charge.

Bin Packet load Error When Flashing “Nokia G21 Stock Firmware File”: If you ever got Bin Packet Error then simply download and try flashing the firmware with this version of SPD Upgrade Tool.

How to Write IMEI After Flashing Nokia G21 Stock Firmware File: After flashing the stock firmware on Spreadtrum Device, you may need to flash the IMEI also, for that use WriteIMEI on Spreadtrum Devices.


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