Flash firmware on Sharp E-P1
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How to flash Sharp E-P1?
Why reinstall the firmware?
Errors constantly appear in the Android operating system.
Apps won't open.
Many applications from the Play Market do not start.
The phone restarts or shuts down by itself.
The phone slows down a lot during operation.
You are not satisfied with the functionality of the stock (official) firmware.
Where can I find the firmware?
On the website of your phone manufacturer.
On Internet resources where users post custom or official OS.
What should be done before installing the firmware?
Create a backup copy of all personal information: contacts, photos and transfer it to another computer.
Insert your SD card into your phone. It must have enough memory to fit the firmware.
Determine your smartphone model.
Fully charge your device. If the battery runs out during the firmware, the device will no longer turn on.
Download archive with Firmware.
Installing TWRP Recovery
Download the Official TWRP App to your phone from the Play Market. And install this app.
At the first start, you need to give consent to future manipulations, as well as consent to granting the Superuser rights to the application. Check the checkboxes and press the 'OK' button.
On the next screen, you need to select the 'TWRP FLASH' item and give the application root-rights.
On the main screen of the application, click on the 'Select Device' drop-down list, and select your phone model.
After selecting the phone, the program will redirect the user to a web page to download the corresponding image file of the modified recovery environment. Download the proposed *.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. Then we tell the program the path where the file loaded in the previous step is located.
Now press the 'FLASH TO RECOVERY' button and confirm your choice, press 'OK'.
The recording process is very fast, and upon completion, the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.
Copy the necessary files to the SD memory card. Using a PC or laptop card reader.
Insert a SD memory card into the phone.
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. Open the menu and select the 'Reboot' item, 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. This will delete all user data from the device, but avoid a wide range of software errors and other problems.
Now you can start flashing. Press the 'Install' button.
On the file selection screen, at the very top there is a 'Storage' button for selecting an SD card.
Select the location where you copied the files.
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 device's memory will begin, accompanied by the appearance of inscriptions in the log field and the completion of the progress bar.
After completing the installation procedure, a 'Successful' message appears on the screen.
Summary: OS: Android 8.0 Oreo; Processor: Qualcomm Snapdragon 660; Processor clock: 2.20 GHz; Number of cores: 8; GPU: Adreno 512; RAM: 6 GB; Internal memory: 64 GB; Memory cards: yes; microSD, microSDHC, microSDXC (up to 128 GB); Display: Color / IPS TFT; 16M colors; 1080 x 2160 px (5.99") 403 ppi; 84.2% screen-to-body ratio; Display protection: Corning Gorilla Glass; Photo matrix: 12 Mpx; Flash: 2x LED; Digital zoom: yes; Video formats: H.263, H.264, MPEG4 - 30 fps; Additional: AF, f/1.75; Photo matrix: 16 Mpx; Flash: yes; Digital zoom: yes; Additional: f/2.0; A-GPS: yes; GPS module: yes; Bluetooth: yes v5.0; EDGE: yes; GPRS: yes; GLONASS: yes; Beidou: yes; IrDA: yes; NFC: yes; USB: yes; WAP: yes ...
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