Flash firmware on Advan S4A plus
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How to flash Advan S4A plus?
Why reinstall the firmware?
Errors periodically appear in the Android operating system.
Some installed applications stop opening.
Some applications from the Play Market do not start.
The phone shuts down and restarts for no apparent reason.
The phone began to slow down a lot.
You have decided to try a different version of Android.
Where can I find the firmware?
On the official website of the phone manufacturer.
On certain 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 another medium.
Insert an SD card into your phone to write the firmware to it.
Find out the exact model of your smartphone.
Fully charge your phone. If the battery runs out during boot, the device will no longer turn on.
Find and 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 need to give consent to future manipulations, as well as to give consent to granting 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 on the 'Select Device' drop-down list, and select 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. Then we tell the program the path where the file loaded in the previous step is located.
After adding the image file to the program, click the 'FLASH TO RECOVERY' button and confirm your choice, click 'OK'.
When the message 'Flash Completed Succsessfuly!' appears. Click 'OK'. The TWRP installation procedure can be considered complete.
Transfer the necessary files to the SD card. Using a PC or laptop card reader.
Insert a 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. You will delete all user data from the phone, this will avoid software errors and other problems.
Press the 'Install' button to start the flashing.
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.
After completing the installation procedure, a 'Successful' message appears on the screen.
Summary: Type: Mobile; Battery: Li-Ion 1200 mAh; CPU: Dual Core 1.2GHz; Smart Phone OS: Android 4.2.2; Dimensions: 122.5 x 63.7 x 10.2 mm; Formfactor: Bar; Keyboard: Screen; Sidekeys: Volume, Power; Softkeys: 3; Weight: 105 g; Color: Yes; Colors: 16M; Other: Capacitive Touchscreen; Pixel aspect ratio: 1.50; Resolution: 320x533; Display PPI: 233; Screen Size: 4; Type: TFT LCD; Audio: MP3, WAV, eAAC+, AAC, AMR; Camera: 5MP, 2592x1944; Other: LED Flash, Video Recording, Autofocus; Secondcamera: 2MP, 1600x1200; Videocapture: YES; Videoplayback: MP4, H.264, H.263, MPEG1, MPEG2, MPEG4, FLV; Connectors: MicroUSB 2.0, 3.5mm Audio; Network: GSM850, GSM900, GSM1800, GSM1900, GPRS85 ...
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