Are you looking for the stock ROM firmware of your device Panasonic T21? If yes your answer, you are on the right page. We have given the direct link to download Panasonic T21 firmware.
Download Panasonic T21 stock ROM from here, flash it in your device and enjoy the native Android experience again.
The download file contains the USB driver, flash tool and the Firmware file.
Download Panasonic T21 Firmware
Stock ROM File Name: Panasonic_T21_EB-90S045T21V1004.zip
Stock ROM File Size: 482 MB
Android OS Version: 4.1
How To Flash Stock ROM Firmware In Panasonic T21
Step 1: To get started, download the firmware of your device and extract it to a folder on your computer. Once done, download Broadcom MultiDownloader tool and extract it to another folder on your computer. You will see the following files in the extracted folder including the “Broadcom Driver“.
Step 2: Now open up “Driver” folder and install Panasonic T21 USB driver on your computer.
Step 3: Next, switch off your Android device and remove its battery (if it is removable).
Step 4: Now launch Broadcom MultiDownloader tool window by clicking on “Multidownloader.exe“.
Step 5: In MultiDownloader tool window, click “Settings -> Configuration” to open up the configuration settings.
Step 6: In “Configuration Settings” window, click on […] icon and choose the firmware folder.
Step 7: Next, click “Apply” to load the firmware package to Broadcom MultiDownloader Tool.
Step 8: Now connect your device to the computer using the original USB data cable. Once connected, you will see the message “Port 1 Detected” in the flash tool.
Step 9: Next, click “Start” button to launch the flashing process.
Step 10: It will take few minutes for the flashing process to get completed and once it does, you will be able to see the “Green OK” message as shown in the screenshot below.
That’s it. Now you have successfully finished flashing stock firmware on your Panasonic T21 Android device.
If you encounter any issues while following this tutorial, do let me know via comments.