Flash firmware on Sharp IS15SH
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How to flash Sharp IS15SH?
Why reinstall the firmware?
Errors begin to appear in the Android OS.
Some installed applications stop opening.
Many programs from the Play Market do not start.
The phone shuts down and restarts for no apparent reason.
The phone is slow.
You are not satisfied with the functionality of the stock firmware.
Where can I find the firmware?
On the official website of the phone manufacturer.
On specialized services on which developers lay out custom or official OS.
What should be done before installing the firmware?
Back up your contacts and user data and transfer it to another medium.
Insert an SD card into your phone to write the firmware to it.
Remember your smartphone model.
Fully charge your phone. If the battery runs out during boot, the device will no longer turn on.
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.
When you start the application for the first time, you must consent to future manipulations, as well as consent to granting the application Superuser rights. Check the checkboxes and press the 'OK' button.
On the next screen, select 'TWRP FLASH' and give the application 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 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.
When the file is loaded, 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.
After adding the image file to the program, click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK'.
After the burn process is complete, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete..
Write the firmware and other necessary files to the SD card. Using a PC or laptop card reader, it will be much faster.
Insert a 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, 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.
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.
Find the file we need 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 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 installation procedure is indicated by the inscription 'Successful'.
Summary: Aliases: Sharp Aquos SL; Type: Mobile; Battery: Li-ion 1430mAh; CPU: Qualcomm MSM8655, 1.4GHz; Smart Phone OS: Android 4.0; Dimensions: 58 x 121 x 14.9 mm; Formfactor: Slide; Keyboard: Numeric; Weight: 152 g; Color: Yes; Pixel aspect ratio: 1.50; Resolution: 540x960; Display PPI: 298; Screen Size: 3.7; Type: QHD; Audio: MP3, AAC; Camera: 8MP; Secondcamera: 3.1MP; Videoplayback: WMV, MPEG4; Connectors: 3.5mm Audio; Network: CDMA, GSM, Bluetooth 3.0, 802.11a, 802.11b, 802.11n; Features: Waterproof, Dustproof, Accelerometer; Memory Internal: 1024MB, 800MB RAM; Memory Slot: MicroSD, 32GB; ...
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