Flash firmware on Samsung Galaxy Tab J
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How to flash Samsung Galaxy Tab J?
Why reinstall the firmware?
Errors periodically appear in the Android operating system.
Some applications will not open.
Many programs from the Play Market do not work.
The phone turns off for no apparent reason.
The phone started to work slowly.
You have decided to try a different version of Android.
Where can I find the firmware?
On the official website of the manufacturer.
On sites where third-party developers post custom operating systems.
What should be done before installing the firmware?
Back up your contacts and user data and transfer it to your computer.
Insert your SD card into your phone. An SD card is needed to write firmware to it.
Find out the exact model of your smartphone.
Charge your phone fully. If the battery runs out during boot, the device will no longer turn on. It will be difficult to restore it.
Download 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.
In the next screen, select the item 'TWRP FLASH' and provide the application with 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.
When the download is finished, you need to return to the main screen of the Official TWRP App and click on 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.
Transfer the necessary files to the SD memory 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 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 delete all user data from the phone, this will avoid errors in the software, as well as other problems. Press 'WIPE' on the home screen.
Press the 'Install' button to start the flashing.
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 storage to which the files were copied.
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, 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: OS: Android 5.1 Lollipop; CPU: ARM Cortex-A7; CPU frequency: 1500.0 MHz (4-core); Chipset: Spreadtrum SC8830; GPU: ARM Mali-400 MP2; RAM Memory: 1.5 GB; Display: TFT Color (16M), 1280x800 px (7.0") 216ppi; Touch screen: yes; Built-in memory: 8 GB; Memory card: microSDXC; Camera: 7.99 MPx; Resolution: 3264 x 2448 px; Flash: LED; Autofocus: yes; Diaphragm: f/1.9; Diaphragm: f/2.2; Optical zoom: no; Digital zoom: yes; Second camera: 1.92 Mpx; Resolution: 1600 x 1200 px; Bluetooth: 4.0; EDGE: yes; GPRS: yes; GPS: yes; A-GPS: yes; LTE: yes; GSM: 850 900 1800 1900; HSDPA: 900 2100 HSPA; HSUPA speed: 5,76 Mb/s; HSDPA speed: 42 Mb/s; USB: 2.0; WAP: 2.0; Wi-Fi: 802.11 b/g/n; Audio formats: AAC, AAC ...
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