Errors begin to appear in the Android operating system.
Some applications stop opening.
Some applications from the Play Market do not start.
The phone restarts or shuts down by itself.
The phone slows down a lot during operation.
You are not satisfied with the functionality of the stock firmware.
Where can I find the firmware?
On the official Internet resource of the phone manufacturer.
On certain sites where developers post custom or official OS.
What should be done before installing the firmware?
Create a backup copy of all personal information: contacts, photos and transfer it to another computer.
Insert an SD card into the gadget. It must have enough memory for the firmware.
Find out the exact model of your smartphone.
Charge your phone fully.
Find and download the archive with Firmware. And place it on the SD card.
Installing TWRP Recovery
Download the Official TWRP App to your phone from the Play Market. And install this app.
At the first start, you need to give consent to future manipulations, as well as consent to granting the Superuser rights to the application. Check the checkboxes and press the 'OK' button.
After moving to the next screen, select the 'TWRP FLASH' item 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, 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.
Now press the 'FLASH TO RECOVERY' button and confirm your choice, press 'OK'.
The recording process is very fast, and upon completion, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.
Transfer the necessary files to the SD card. Using a PC or laptop card reader.
Insert a SD memory card into the 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, 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.
Everything is ready to start flashing. Press the 'Install' button.
The file selection screen appears. 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. Press the OK button.
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 damaged files during recording.
The procedure for writing files to the phone's memory will begin, accompanied by logging and filling in the progress bar.
The completion of the installation procedure is indicated by the inscription 'Successful'.
Summary: Operating System: Android v5.1 (Lollipop); Network: 4G: Not Available, 3G: Not Available; Dimensions: 240 (H) x 168 (W) x 7.6 (T) mm; Weight: 540 grams; Colours: Gold White; Screen Size: 9.7 inches; Screen Resolution: 1536 x 2014 pixels; Pixel Density: 261 ppi; Display Type: IPS LCD; Touch Screen: Capacitive Touchscreen, Multi-touch; Processor: Quad core, 1.8 GHz, ARM Cortex A17; Graphics: Mali-T764; RAM: 2 GB; Internal Memory: 16 GB; Expandable Memory: Up to 32 GB; Resolution: 8 MP; Image Resolution: 3264 x 2448 Pixels; Camera Features: Digital Zoom; Video Recording: 1920x1080 fps; Resolution: 2 MP; Battery capacity: 7800 mAh; Type: Li-Polymer; ...
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