Flash firmware on Sharp Aquos Xx 302SH
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How to flash Sharp Aquos Xx 302SH?
Why reinstall the firmware?
Errors in the Android OS start to appear regularly.
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 restarts by itself for no reason.
The phone started to work slowly.
You want to update the firmware, as it does not suit you in terms of functionality.
Where can I find the firmware?
On the official website of the phone 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 and transfer it to your computer.
Insert your SD card into your phone. An SD card is needed to write firmware to it.
Find information about your smartphone model.
Fully charge your phone battery.
Download Firmware and Place it on the SD card.
Installing TWRP Recovery
Install the Official TWRP App from the Play Store on your phone. And run this application.
When you start the application for the first time, you must agree to install the firmware, 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.
On the main screen of the application, click '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.
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.
Click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK' in the question window.
When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure is now complete.
Transfer the firmware and other necessary files to the SD card.
Insert a SD memory card into the phone.
To reboot into recovery, you need to enter the menu accessible by pressing the button with three stripes in the upper left corner of the main screen of the application. Select the 'Reboot' item, and then click 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.
Now you can start flashing. Click 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.
Select the firmware file 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, this is accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
When the procedure for installing the firmware is completed, the message 'Successful' appears on the screen.
Summary: Chip: Qualcomm Snapdragon 800 MSM8974AA; Process technology: 28 nm; CPU: Krait 400; CPU bits: 32 bit; Instruction set: ARMv7; Level 0 cache memory (L0): 4 KB + 4 KB; Level 1 cache memory (L1): 16 KB + 16 KB; Level 2 cache memory (L2): 2048 KB; CPU cores: 4; CPU frequency: 2200 MHz; GPU: Qualcomm Adreno 330; GPU cores: 4; GPU frequency: 450 MHz; RAM capacity: 2 GB; RAM type: LPDDR3; RAM channels: Double channel; RAM frequency: 800 MHz; Operating system (OS): Android 4.2.2 Jelly Bean; SIM card type: Nano-SIM (4FF - fourth form factor, since 2012, 12.30 x 8.80 x 0.67 mm); Number of SIM cards: 1; Type/technology: S-CG-Silicon LCD; Diagonal size: 5.2 in; Width: 2.55 in; Hei ...
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