Flash firmware on Sharp Xx304SH Aquos
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How to flash Sharp Xx304SH Aquos?
Why reinstall the firmware?
Errors constantly appear in the Android OS.
Some installed applications do not open.
Many applications from the Play Market do not start.
The phone restarts by itself for no reason.
The phone began to slow down a lot.
You are not satisfied with the possibilities of the stock firmware.
Where can I find the firmware?
On the official Internet resource 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 an SD card into your phone to write the firmware to it.
Determine 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 need to give consent to future manipulations, as well as to give consent to granting the application Superuser rights and click 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, click 'Select Device', and select your phone model.
After selecting a device, the application will direct the user to a web page to download the appropriate modified recovery environment image file. Download the suggested *.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 can be considered 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 'Reboot' and then click on the 'REBOOT RECOVERY' button.
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.
You can start flashing. Click the 'Install' button.
The file selection screen appears. At the very top there is a 'Storage' button for selecting an SD card.
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 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.
After the firmware installation procedure is completed, the 'Successful' message appears on the screen.
Summary: Design: Classic; SIM cards standard: Mini Sim - Regular; GSM: 900 1800 1900; HSDPA: 900 2100; LTE: 1700 2100; Dimensions (H/L/W): 135 x 72 x 9 mm, vol. 87 cm³; Display: LCDColor (16M) 1080x1920px (5.2") 424ppi; Touch screen: yes; Weight: 137 g; Time GSM (talk/stand-by): 12.5 / 650 hrs. (27.1d); Time UMTS (talk/stand-by): 22.5 / 850 hrs. (35.4d); Battery: Li-Ion 2600 mAh; Built-in memory: 32 GB; Memory card: MicroSD max. 32 GB; RAM memory: 2 GB; Operating system: Android 4.2; Chipset: Qualcomm MSM8974AB; CPU 1 frequency: 2300.0 MHz(4-core); GPRS: Class 12; EDGE: Class 12; HSDPA: 42 Mb/s; HSUPA speed: 5,76 Mb/s; HSCSD: no; Wi-Fi: 802.11 a/b/g/n/ac; Bluetooth: 4. ...
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