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Samsung Galaxy S21 Ultra 5G SM-G9980/B/N/U/U1/W Stuck on Boot Start screen logo

Samsung Galaxy s21 ultra 5g stock on logo Fix firmware g998b u3 android 12

Samsung Galaxy S21 Ultra 5G is a flagship mobile with high-end specs, and it can run any apps or updates without any issues. But when you try to root your mobile or modify the firmware files, it may get stuck on the boot logo after flashing custom files. When your Samsung Galaxy S21 Ultra 5G is stuck on the boot logo, you can fix your mobile using one of the below methods.

What is the Stuck in the Boot logo in Samsung Galaxy S21 Ultra 5G (SM-G9980, SM-G998B, SM-G998N, SM-G998U, SM-G998U1, SM-G998W)?

OTA updates are, most of the time, flawless processes. But when the mobile begins to finish the first boot after the update, It is a nail-biting situation for most users. Because sometimes the boot can take a long time than usual. If the boot happens after a long time, it is excellent. But it is not a good sign when the boot takes more than 20 minutes and is stuck on the Samsung Galaxy S21 Ultra 5G name logo. You can wait for a few minutes. Even after your mobile is not booted into the regular screen, your mobile is stuck on the Samsung Boot logo. You don’t need to worry. We can start with simple methods to fix these issues. Always start with a simple process. Most of the time, the boot stuck fixed in simple ways.

Download Link:: Google Drive

How to flash?

Firstly, Make sure to install Samsung USB Driver.

  • Download the Odin tool. Unzip the file then run the .exe file.

2- then select Flash File.

BL File should be selected in BL.

AP file in AP.

CP File in CP.

Home CSC or CSC file in CSC.

3- then connect the phone in Download mode using Volume Down+ Home + Menu for most of the Samsung Android phones. (Download Key can differ for the new Model)

4- If connected & Identified by the tool, the LOG message box will prompt a message as Added.

5- Click on Start to flash.

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