Flash firmware on Samsung Galaxy M42 5G
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How to flash Samsung Galaxy M42 5G?
Why reinstall the firmware?
The operating system keeps getting errors.
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.
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 Internet resource of the 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.
Determine your smartphone model.
Fully charge your phone battery.
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, select the 'TWRP FLASH' item and provide the application with root rights.
On the main screen of the application, click '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 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 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 appears. 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.
When the procedure for installing the firmware is completed, the message 'Successful' appears on the screen.
Summary: Operating System: Android v10 (Q); Chipset: Qualcomm Snapdragon 750G; Processor: Octa core (2.2 GHz, Dual core, Kryo 570 1.8 GHz, Hexa Core, Kryo 570); Graphics: Adreno 619; RAM: 4 GB; Internal Memory: 128 GB; Expandable Memory: Yes, Up to 512 GB; Screen Size: 6.6 inches (16.76 cm); Resolution: 720 x 1600 pixels; Display Type: IPS LCD; Pixel Density: 266 ppi; Touch Screen: Yes, Capacitive Touchscreen, Multi-touch; Resolution: 48 MP Primary Camera8 MP, Wide Angle, Ultra-Wide Angle Camera5 MP, Macro Camera5 MP, Depth Camera; Camera Features: Digital ZoomAuto FlashFace detectionTouch to focus; Autofocus: Yes; Image Resolution: 8000 x 6000 Pixels; Flash: Yes, LED Flash; Resolution: 20 MP ...
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