Flash firmware on TCL 30T 4G
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How to flash TCL 30T 4G?
Why reinstall the firmware?
Errors constantly appear in the Android operating system.
Apps won't open.
Some applications from the Play Market do not start.
The phone restarts by itself for no reason.
The phone started to work slowly.
You are not satisfied with the functionality of the stock (official) firmware.
Where can I find the firmware?
On the website of your phone manufacturer.
On sites where users post custom or official OS.
What should be done before installing the firmware?
Create a backup copy of user data and transfer it to your computer.
Insert SD card. An SD card is needed to write firmware to it.
Determine your smartphone model.
Fully charge your device. If the battery runs out during the firmware, the device will no longer turn on.
Find and download the archive with Firmware. And place it on the SD card.
Installing TWRP Recovery
Install the Official TWRP App from the Play Store on your phone. And run this application.
When you start the application for the first time, you must agree to install the firmware, as well as agree to grant the application Superuser rights and click the 'OK' button.
On the next screen, you need to select the 'TWRP FLASH' item and give the application root-rights.
On the main screen of the application, click on the 'Select Device' drop-down list, and select your phone model.
After selecting the phone, the program will redirect the user to a web page to download the corresponding image file of the modified recovery environment. 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. Then we tell the program the path where the file loaded in the previous step is located.
Click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK' in the question window.
When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure is now complete.
Copy the firmware and other necessary files to the SD card.
Insert a SD memory card into the phone.
To reboot into recovery, you need 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. Open the menu and select the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button.
Firmware via TWRP
Before flashing, you need to delete all user data from the phone, this will avoid many problems. press 'WIPE' on the home screen.
Now you can start flashing. Press the 'Install' button.
On the file selection screen, at the very top there is a 'Storage' button for selecting an SD card.
Select the location where the files were copied.
Select the firmware file and click on it. A screen opens with a warning about possible negative consequences, as well as the item 'Zip signature verification'. This item should be checked by placing a cross in the check-box, which will avoid using damaged files when writing to the phone's memory sections.
The procedure for flashing the phone will begin, accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
After completing the installation procedure, a 'Successful' message appears on the screen.
Summary: Operating System: Android 12; CPU: Quad-core CPU (4x2.0 GHz Cortex-A53) - (Unconfirmed); Chipset: Mediatek MT6761V Helio A22 (12 nm) - (Unconfirmed); GPU: PowerVR GE8320 - (Unconfirmed); Size: 6.52 inches, (79.6% screen-to-body ratio); Display Type: IPS LCD capacitive touchscreen, 16M colors; Resolution: 720 x 1600 pixels, 20:9 ratio (~272 ppi density); RAM ROM: 3GB 32GB; Card Slot: Yes, up to 512GB via microSD card; Camera Sensor(s): Main: 13 MP, PDAF Depth: 2 MP, f/2.4; Camera Type: Double Lenses; Camera Features: Autofocus / Touch focus / LED flash; Video Resolution: 1080p@30fps; Camera Sensor(s): 5-megapixel front camera; Camera Type: Single Lens; Camera Features: FaceID / HDR ...
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