Flash firmware on Samsung Galaxy J7 Prime T-Mobile
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How to flash Samsung Galaxy J7 Prime T-Mobile?
Why reinstall the firmware?
The operating system keeps getting errors.
Some applications stop opening.
Many programs from the Play Market do not start.
The phone turns off for no apparent reason.
The phone slows down a lot during operation.
You want to update the firmware, as it does not suit you in terms of functionality.
Where can I find the firmware?
On the official website of the manufacturer.
On specialized services on which developers lay out 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 your SD card into your phone. It must have enough memory to fit the firmware.
Determine your smartphone model.
Fully charge your device's battery.
Download the archive with Firmware and place it on the SD card.
Installing TWRP Recovery
Install the Official TWRP App via the Play Market. And run this application.
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.
In the next screen, select the item 'TWRP FLASH' and provide the application with root-rights.
On the main screen of the application, click 'Select Device', and find your phone model.
After selecting the phone, the application will redirect the user to a web page to download the modified recovery environment image file. Download the proposed *.img file.
When the file is loaded, 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.
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.
Write the firmware and other necessary 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 the 'Reboot' item, and then click on the 'REBOOT RECOVERY' button. The phone will reboot into the recovery environment automatically..
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.
You can start flashing. Click the 'Install' button.
The file selection screen is displayed. 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.
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.
When the procedure for installing the firmware is completed, the message 'Successful' appears on the screen.
Summary: OS: Android (7.0 Nougat); CPU: Octa-core, 1600 MHz, ARM Cortex-A53, 64-bit; System chip: Samsung Exynos 7 Octa 7870 (14 nm); RAM: 2GB LPDDR3; GPU: Mali-T830 MP1; Size: 5.5 inches; Resolution: 1280 x 720 pixels, 267 PPI; Technology: TFT; Screen-to-body: 72.05 %; Features: Scratch-resistant glass (Corning Gorilla Glass 4), Ambient light sensor, Proximity sensor; Internal storage: 16GB; Storage expansion: microSDXC up to 256 GB; Main camera: 8 MP (Autofocus, CMOS image sensor); Front: 5 MP; Rear: Single camera; Video recording: 1920x1080 (Full HD) (30 fps); Data Speed: LTE-A Cat 6 (300/50 Mbit/s), HSPA; SIM type: Nano SIM; LTE (FDD): Bands 1(2100), 2(1900), 3(1800), 4(AWS-1), 5(850), 7(2600), ...
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