Flash firmware on Nokia T21
Mobiles >> Nokia >> Nokia T21| Specifications | Reviews | Secret codes |
| Unlock phone | Root phone |
| Backup | Flash Firmware | Screenshot |
How to flash Nokia T21?
Why reinstall the firmware?
Errors begin to appear in the Android operating system.
Some applications stop opening.
Some programs from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone is slow.
You are not satisfied with the functionality of the stock firmware.
Where can I find the firmware?
On the official website of the manufacturer.
On specialized resources where users post custom or official OS.
What should be done before installing the firmware?
Create a backup copy of user data, contacts and photos and transfer it to your computer.
Insert an SD card into your phone to write the firmware to it.
Find out the exact model of your smartphone.
Fully charge your device's battery.
Find and download the archive with Firmware. Place it on the SD card.
Installing TWRP Recovery
Install the Official TWRP App from the Play Store on your phone.
When you start the application for the first time, you must consent to future manipulations, as well as consent to granting the application Superuser rights. Check the checkboxes and press the 'OK' button.
In the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.
On the main screen of the application, the 'Select Device' drop-down list is available, in which you need to find and select the device model for installing the recovery.
After selecting the phone, the application will redirect the user to a web page to download the modified recovery environment image file. Download the proposed *.img file.
After downloading the image file, go to the main screen of the Official TWRP App and press the 'Select a file to flash' button. Select the file downloaded in the previous step.
Press the 'FLASH TO RECOVERY' button and confirm your choice.
After the burn process is complete, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete..
Copy the required files to the SD card. Using a PC or laptop card reader, it will be much faster.
Insert a memory card into your phone.
To reboot in recovery, it is convenient to use a special item in the Official TWRP App menu, accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. We open the menu, select the 'Reboot' item, and then tap on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically.
Firmware via TWRP
Before flashing, you need to clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. You will delete all user data from the phone, this will avoid software errors and other problems.
Everything is ready to start flashing. Press the 'Install' button.
The file selection screen is displayed. At the very top is the 'Storage' button, select the location where the firmware file is located.
Select the location where you copied the files..
Select the firmware file and click on it. A screen opens with a warning about possible negative consequences, you need to check the item 'Zip signature verification', which will avoid using corrupted files when writing to the phone's memory sections.
The procedure for writing files to the phone's memory will begin, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
The completion of the installation procedure is indicated by the inscription 'Successful'.
Summary: OS: Android 12; Chipset: Unisoc Tiger T612 (12 nm); CPU: Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55); GPU: Mali-G57; Type: IPS LCD, 360 nits (typ); Screen Size: 10.4 inches, 307.9 cm 2 (~79.1% screen-to-body ratio); Resolution: 1200 x 2000 pixels, 5:3 ratio (~224 ppi density); Protection: Scratch-resistant glass; Card slot: microSDXC; Internal: 64GB 4GB RAM, 128GB 4GB RAM; Single camera: 8 MP, AF; Features: LED flash; Video: 1080p@30fps; Single camera: 8 MP; Video: Yes; Loudspeaker: Yes, with stereo speakers; 3.5mm jack: Yes; Sensors: Accelerometer, proximity; Type: Li-Po 8200 mAh, non-removable; Charging: Fast charging 18W USB Power Delivery 3.0; Dimensions: 247.5 x 157.3 x 7.5 ...
Comments, questions and answers on the flash firmware Nokia T21
Ask a question about Nokia T21
