Flash firmware on Samsung Galaxy Note 20 Ultra
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How to flash Samsung Galaxy Note 20 Ultra?
Why reinstall the firmware?
The operating system keeps getting errors.
Some applications do not open, reinstalling which does not lead to a positive result.
Many applications from the Play Market do not start.
The phone turns off for no apparent reason.
The phone began 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 website of your phone manufacturer.
On specialized services on which various 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 SD card. An SD card is needed to write firmware to it.
Determine your smartphone model.
Fully charge your device.
Download Firmware and Place it on the SD card.
Installing TWRP Recovery
Download the Official TWRP App to your phone from the Play Market. And install this app.
When you start the application for the first time, you must agree to install a new firmware and all the risks associated with this, 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 find 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.
When the file is loaded, you need to 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.
Press the 'FLASH TO RECOVERY' button and confirm your choice, press 'OK'.
When the message 'Flash Completed Succsessfuly!' appears on the screen. Click the 'OK' button. The TWRP installation procedure is now complete.
Transfer the firmware and other necessary files to the SD card.
Insert a SD memory card into the phone.
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 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. Press the OK button.
Find the file we need 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 corrupted files when writing to the phone's memory sections.
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: OS: Android v10 (Q); Chipset: Samsung Exynos 9 Octa 990; CPU: Octa core (2.73 GHz, Dual core, M5 Mongoose 2.5 GHz, Dual core, Cortex A75 2 GHz, Quad core, Cortex A55); Architecture: 64 bit; Custom ui: Samsung One UI; RAM: 12 GB; GPU: Mali-G77 MP11; Screen Size: 6.9 inches; Internal memory: 512 GB; Expandable memory: Yes, Upto 1 TB; Front camera: 10 MP; Front camera: 10 MP f/2.2 Primary Camera; Main camera: 108 MP 12 MP 12 MP; Resolution: 108 MP f/1.8 Primary Camera, 12 MP f/3.0 Camera, 12 MP f/2.2, Wide Angle, Ultra-Wide Angle Camera; Camera setup: Single; Flash: Yes, LED Flash; Image resolution: 12000 x 9000 Pixels; Autofocus: Yes, Phase Detection autofocus; Physical aperture: F2.2; Shooti ...
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