Panasonic T21

panasonic logoOn this page, you will find the Official Panasonic T21 Stock Firmware ROM (Flash File). The Firmware comes in a package and contains Flash Tool, USB Driver, Flash File, How to Flash Manual and IMEI Tool.

Panasonic T21 Firmware (Stock ROM)

The Panasonic Stock Firmware can be used to upgrade or downgrade the firmware of your Panasonic device, fixing any software related error, fixing IMEI related error, fixing bootloop error.

Package Name:
How to Flash: Follow Guidelines
Package Size: 476 MB

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How to Flash Panasonic T21 Firmware (Stock ROM)

Step 1: Download and Extract the Panasonic T21 Firmware Package on the Computer.

Step 2: Once you have extracted the Package, you will get the Flash File, Flash Tool, Driver and How-to Flash Manual.

Step 3: Now, Install the provided Broadcom USB Driver on your Computer.

Step 4: Once you have successfully installed the Driver, Open Broadcom Flash Tool on the Computer.

Step 5: Once the Broadcom Flash Tool is Launched, Connect your Device to the Computer by using the USB Cable.

Step 6: Now, Click on the Download or Upgrade Button on the Broadcom Flash Tool to begin the Flashing process.

Step 7: Once the flashing is completed, you will see a Green OK at the End.

Step 8: Now, Disconnect your Panasonic T21 Smartphone from the Computer and Restart the Device.


[*] Broadcom Flash Tool: You can download the latest version of Broadcom Flash Tool from Broadcom Flash Tool for Windows page.

[*] Backup: We recommend you to take a backup of your personal data and information before flashing the Stock Firmware, because flashing the stock firmware may permanently delete your personal data from the device and you wound be able to recover it.

[*] Original firmware: The above firmware is the original flash file, released by the Panasonic Inc. We have scanned the firmware with Eset Internet Security before uploading and publishing.

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