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Flash firmware on Sharp Aquos Mini SH-M03

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How to flash Sharp Aquos Mini SH-M03?


Why reinstall the firmware?

Errors start to appear in the operating system.

Some installed applications stop opening.

Many programs from the Play Market do not work.

The phone turns off for no apparent reason.

The phone began to slow down a lot.

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





Where can I find the firmware?

On the phone manufacturer's website.

On sites where developers post custom or official OS.


What should be done before installing the firmware?

Back up your contacts and user data and transfer it to your computer.

Insert an SD card into your phone to write the firmware to it.

Find information about your smartphone model.

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

Download archive with Firmware. Place it on the SD card.





Installing TWRP Recovery

Install the Official TWRP App via the Play Market. And run this application.

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.

Going to the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.

TWRP

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

After selecting a device, the program redirects the user to a web page to download the corresponding image file of the modified recovery environment. Download the suggested *.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. Select the file downloaded in the previous step.

Now 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.

Write the firmware to the SD card. Using a PC or laptop card reader.

Insert a memory card into the device.

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 clear the 'Cache' and 'Data' sections, press 'WIPE' on the main screen. You will delete all user data from the phone, this will avoid software errors and other problems.

Now you can start flashing. Click the 'Install' button.


TWRP

The file selection screen appears. At the very top there is a 'Storage' button for selecting an SD card.

Select the location where the files were copied. Press the 'OK' button.



TWRP

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, this is 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: Brand & Model: Sharp Aquos Mini SH-M03; Product Release Date: 26 July, 2016; Display Type: IGZO capacitive touchscreen; Display Size: 4.7 inches; Resolution: 1080x1920 Pixels, 24 bit color depth; Multitouch Input: Yes; Display Colors: 16.7M Colors; Pixel Density (In PPI): ~ 469PPI; Touch Screen: Multi Touch Support; Display Protection: Yes; Features: Full HD Display~ 469 PPI~73% Screen-to-body-ratioWide viewing angle / S-PureLEDCorning Gorilla Glass; Secondary Display: No; Camera Type: Dual Camera Set UP (One Front One Back); Rear Camera: 13.1 Megapixels with LED Flash; Image Dimensions: 4160 x 3120 Pixels; Primary Camera Features: AutofocusContinuous ShootingGeo taggingFa ...

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