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Flash firmware on OTHO T3

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How to flash OTHO T3?


Why reinstall the firmware?

Errors start to appear in the operating system.

Some applications do not open, reinstalling which does not lead to a positive result.

Many applications from the Play Market do not start.

The phone shuts down and restarts for no apparent reason.

The phone began to work slowly.

The OS does not match the system requirements of the smartphone.





Where can I find the firmware?

On the official website of the phone manufacturer.

On Internet resources where users post custom or official OS.


What should be done before installing the firmware?

Back up your contacts and user data and transfer it to another medium.

Insert SD card. An SD card is needed to write firmware to it.

Find information about your smartphone model.

Fully charge your phone battery.

Download archive with Firmware.





Installing TWRP Recovery

Download the Official TWRP App to your phone from the Play Market. And install this app.

When you start the application for the first time, you must agree to install a new firmware and all the risks associated with this, as well as agree to grant the application Superuser rights and click the 'OK' button.

On the next screen, select 'TWRP FLASH' and give the application root rights.

TWRP

On the main screen of the application, select 'Select Device', and find your phone model.

After selecting a phone, the application will direct the user to a web page to download the modified recovery environment image file. Download the proposed *.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. Then we tell the program the path where the file loaded in the previous step is located.

After adding the image file to the program, click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK'.

When the message 'Flash Completed Succsessfuly!' appears on the screen. Click the 'OK' button. The TWRP installation procedure is now complete.

Copy the necessary files to the SD memory card. Using a PC or laptop card reader.

Insert a 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. We open the menu, select the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically.





Firmware via TWRP

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. Click the 'Install' button.


TWRP

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.



TWRP

Find the file we need 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.

The completion of the firmware installation procedure is indicated by the inscription 'Successful'.





Summary: Sim size: Dual Sim; Hybrid Sim Slot: No; Touchscreen: Yes; OTG Compatible: Yes; Quick Charging: No; Display Size: 13.56 cm (5.34 inch); Resolution: 960 x 540 Pixels; Resolution Type: quarter HD; HD Game Support: Yes; Other Display Features: 2.5D GLASS; Operating System: Android Nougat 7; Processor Core: Quad Core; Primary Clock Speed: 1.3 GHz; Internal Memory: 8 GB; RAM: 1 GB; Memory Card Slot Type: Dedicated Slot; Call Log Memory: Yes; Primary Camera Available: Yes; Primary Camera: 8MP; Optical Zoom: Yes; Secondary Camera Available: Yes; Secondary Camera: 5MP; Flash: Yes; HD Recording: Yes; Image Editor: Yes; Call Wait/Hold: Yes; Conference Call: Yes; Hands Free: ...

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