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Flash firmware on Tecno i3 Pro

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How to flash Tecno i3 Pro?


Why reinstall the firmware?

Errors periodically appear in the Android operating system.

Apps won't open.

Many applications from the Play Market do not start.

The phone restarts or shuts down randomly.

The phone began to work slowly.

You have decided to try a different version of Android.





Where can I find the firmware?

On the website of your phone manufacturer.

On Internet 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 your SD card into your phone. It must have enough memory to fit the firmware.

Find out the exact model of your smartphone.

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

Download archive with Firmware.





Installing TWRP Recovery

Download and install the Official TWRP App from the Play Market.

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, you need to select the 'TWRP FLASH' item and give the application 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 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, 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.

Press the 'FLASH TO RECOVERY' button and confirm your choice, press '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 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, it is recommended to clear the 'Cache' and 'Data' sections. This will delete all user data from the device, but avoid a wide range of software errors and other problems. You must press 'WIPE' on the main screen.

Press the 'Install' button to start the flashing.


TWRP

On the file selection screen, at the very top there is a 'Storage' button for selecting an SD card.

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, 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, accompanied by logging and filling in the progress bar.

After completing the installation procedure, a 'Successful' message appears on the screen.





Summary: Performance: Quad core; Display: 5.0" (12.7 cm); Storage: 16 GB; Camera: 8 MP; Battery: 3050 mAh; RAM: 3 GB; Fingerprint sensor position: Front; Sensors: Light sensor, Proximity sensor, Accelerometer; Fingerprint sensor: Yes; Operating system: Android v7.0 (Nougat); Sim slots: Dual SIM, GSM GSM; Network: 4G: Available 3G: Available, 2G: Available; Fingerprint sensor: Yes; Loudspeaker: Yes; Audio jack: 3.5 mm; Chipset: MediaTek MT6737; Graphics: Mali-T720 MP2; Processor: Quad core, 1.3 GHz, Cortex A53; Architecture: 64 bit; RAM: 3 GB; Colours: Champagne Gold, Sky Black, Space Grey; Display type: IPS LCD; Pixel density: 294 ppi; Screen size: 5.0 inches (12.7 cm); Sc ...

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