Flash firmware on Samsung Galaxy Tab A 9.7 WiFi
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How to flash Samsung Galaxy Tab A 9.7 WiFi?
Why reinstall the firmware?
Errors constantly appear in the Android OS.
Some applications do not open, reinstalling which does not lead to a positive result.
Some programs from the Play Market do not start.
The phone turns off for no apparent reason.
The phone started to work slowly.
You are not satisfied with the possibilities of the stock firmware.
Where can I find the firmware?
On the website of your phone manufacturer.
On specialized resources where users 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 SD card. An SD card is needed to write firmware to it.
Determine your smartphone model.
Fully charge your device.
Find and download the 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 must agree to install the firmware, as well as agree to grant the application Superuser rights and click 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 'Select Device', and select your phone model.
After selecting a phone, the application will direct the user to a web page to download the modified recovery environment image file. Download the proposed *.img file.
After downloading the image file, go 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 is now complete.
Copy the required files to the SD card. Using a PC or laptop card reader, it will be much faster.
Insert a memory card into the device.
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 delete all user data from the phone, this will avoid many problems. press 'WIPE' on the home screen.
You can start flashing. Click the 'Install' button.
The file selection screen is displayed. At the very top is the 'Storage' button, which allows you to switch between types of memory.
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 flashing the phone will begin, 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: OS: Android 5.0 Lollipop; Processor: Qualcomm Snapdragon 410; Processor clock: 1.20 GHz; Number of cores: 4; GPU: Adreno 306; RAM: 1.5 GB; Internal memory: 16 GB, 32 GB; Memory cards: yes; microSD, microSDHC, microSDXC (up to 128 GB); Display: Color / TFT; 16M colors; 768 x 1024 px (9.70") 132 ppi; Display protection: yes; Photo matrix: 5 Mpx; Resolution: 2592x1944 px; Flash: yes; Digital zoom: 4x; Video formats: H.263, H.264, MPEG4 - 30 fps; Video resolution: 1280x720; Additional: AF; Photo matrix: 2 Mpx; Resolution: 1600x1200 px; Flash: yes; A-GPS: yes; GPS module: yes; Bluetooth: yes v4.1; EDGE: yes; GPRS: yes; GLONASS: yes; Beidou: yes; IrDA: yes; NFC: yes; USB: yes v2.0; WAP: yes; WiFi ...
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