Flash firmware on Samsung Galaxy S8 SM-G950U
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How to flash Samsung Galaxy S8 SM-G950U?
Why reinstall the firmware?
Errors start to appear in the operating system.
Some installed applications do not open.
Many applications from the Play Market do not start.
The phone turns off for no apparent reason.
The phone started to work slowly.
The OS does not match the system requirements of the smartphone.
Where can I find the firmware?
On the official website of your phone manufacturer.
On Internet 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.
Find information about 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
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.
After moving to the next screen, you need to select the 'TWRP FLASH' item and give the application root rights.
On the main screen of the application, select 'Select Device', and find your phone model.
After selecting a device, the application will direct the user to a web page to download the appropriate modified recovery environment image file. 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.
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 necessary files to the SD memory card. Using a PC or laptop card reader.
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. We open the menu, 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 delete all user data from the phone, this will avoid many problems. press 'WIPE' on the home screen.
Now you can start flashing. Click 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 flashing the phone will begin, accompanied by the appearance of inscriptions in the log field and the movement of the progress bar.
The completion of the firmware installation procedure is indicated by the inscription 'Successful'.
Summary: OS: Android 7.0 Nougat; Processor: Qualcomm Snapdragon 835 8998; Processor clock: 2.35 GHz; Number of cores: 8; GPU: Adreno 540; RAM: 4 GB; Internal memory: 64 GB; Interface: Samsung Experience; Memory cards: yes; microSD, microSDHC, microSDXC (up to 256 GB); Display: Color / Super AMOLED; 16M colors; 1440 x 2960 px (5.80") 568 ppi; 84.2% screen-to-body ratio; Display protection: Corning Gorilla Glass 5; Photo matrix: 12 Mpx; Resolution: 4032x3024 px; Flash: yes LED; Digital zoom: 8x; Video formats: H.263, H.264, MPEG4 - 30 fps; Video resolution: 3840x2160; Additional: AF, OIS, f/1.7; Photo matrix: 8 Mpx; Resolution: 3264x2448 px; Flash: yes; Digital zoom: yes; Video resolution: 2560x1440; ...
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