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Flash firmware on vivo T4R

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How to flash vivo T4R?


Why reinstall the firmware?

Errors periodically appear in the Android operating system.

Some installed applications stop opening.

Many programs from the Play Market do not work.

The phone restarts or shuts down randomly.

The phone began to slow down a lot.

You have decided to try a different version of Android.





Where can I find the firmware?

On the phone manufacturer's website.

On sites where developers 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 your SD card into your phone. An SD card is needed to write firmware to it.

Find out the exact model of your smartphone.

Fully charge your phone. If the battery runs out during boot, the device will no longer turn on.

Download 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 need to give consent to future manipulations, as well as to give consent to granting the application Superuser rights and click the 'OK' button.

Going to the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.

TWRP

On the main screen of the application, click on the 'Select Device' drop-down list, and select your phone model.

After selecting a device, the program redirects the user to a web page to download the corresponding image file of the modified recovery environment. Download the suggested *.img file.

After downloading the image file, return 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.

When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.

Write the firmware to the SD card. Using a PC or laptop card reader.

Insert a memory card into your 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

TWRP

Before flashing, you need to delete all user data from the phone, this will avoid errors in the software, as well as other problems. Press 'WIPE' on the home screen.

Press the 'Install' button to start the flashing.


TWRP

The file selection screen appears. At the very top there is a 'Storage' button for selecting an SD card.

Select the location where the files were copied. Press the 'OK' button.



TWRP

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 flashing the phone will begin, this is 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: OS: Android 15, up to 2 major Android upgrades, Funtouch 15; Chipset: Mediatek Dimensity 7400 (4 nm); CPU: Octa-core (4x2.6 GHz Cortex-A78 & 4x2.0 GHz Cortex-A55); GPU: Mali-G615 MC2; Type: AMOLED, 1B colors, 120Hz, 2160Hz PWM, HDR10+, 1300 nits (HBM), 1800 nits (peak); Screen Size: 6.77 inches, 110.9 cm 2 (~88.5% screen-to-body ratio); Resolution: 1080 x 2392 pixels (~388 ppi density); Protection: Diamond Shield Glass; Card slot: No; Internal: 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM; Dual: 50 MP, f/1.8, (wide), 1/1.95", 0.8µm, PDAF, OIS 2 MP, f/2.4, (depth); Features: LED flash, HDR, panorama; Video: 4K@30fps, 1080p@30/60fps, gyro-EIS; Single camera: 32 MP, f/2.5, (wide); Video: 4K@30fps, 1080p@30/60fps; Loudspeaker: Yes, with stereo speakers; 3.5mm jack: No; WLAN: Wi-Fi 802.11 ...

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