Flash firmware on Rokea 9220I
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How to flash Rokea 9220I?
Why reinstall the firmware?
Errors begin to appear in the Android OS.
Some applications stop opening.
Many applications from the Play Market do not start.
The phone restarts or shuts down randomly.
The phone began to slow down a lot.
You are not satisfied with the functionality of the stock firmware.
Where can I find the firmware?
On the official website of the manufacturer.
On specialized services on which various developers lay out 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.
Remember your smartphone model.
Fully charge your device's battery.
Download Firmware and Place it on the SD card.
Installing TWRP Recovery
Download and install the Official TWRP App from the Play Market.
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.
In the next screen, select the item 'TWRP FLASH' 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.
When the file is loaded, you need to 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, press 'OK'.
When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.
Transfer the firmware and other necessary files to the SD card.
Insert a memory card into your 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, 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.
Everything is ready to start flashing. Press the 'Install' button.
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 storage to which the files were copied. Press the OK button.
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 flashing the phone will begin, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
The completion of the installation procedure is indicated by the inscription 'Successful'.
Summary: Type: Mobile; Battery: Li-Ion; CPU: MediaTek MTK6575, 1.0GHz; Smart Phone OS: Android 2.3.5; Dimensions: 151 x 83 x 12 mm; Formfactor: Bar; Keyboard: Screen; Sidekeys: Volume, Power; Softkeys: 3; Weight: 210 g; Color: Yes; Colors: 260K; Other: Capacitive Touchscreen, 5 Point Multi Touch; Pixel aspect ratio: 1.50; Resolution: 320x533; Display PPI: 176; Screen Size: 5.3; Type: TFT; Audio: Polyphonic, MP3, WAV, AMR, AWB; Camera: 8MP, 3264x2448; Other: Autofocus, LED Flash; Secondcamera: 0.3MP, 640x480; Videocapture: YES; Videoplayback: 3GP, MPEG4; Connectors: USB, 3.5mm Audio; Network: GSM850, GSM900, GSM1800, GSM1900, WCDMA850, WCDMA2100, Bluetooth 2.0, GPS, WIFI, 802. ...
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