Flash Samsung Galaxy S21 Ultra 5G SM-G998U (VZW) via Odin

Hello EvilicaCell friends, meet me again, the admin of the most working tutorial site in the world. On this occasion, I will share how to flash the Samsung Galaxy S21 Ultra with the type SM-G998U/DS which is experiencing problems with the system such as bootloop (stuck logo) error, flash fail, hang (slow), failed boot, locked and others can be fixed by re-flashing as I will explain in this article.

The method for flashing the Samsung Galaxy S21 Ultra (SM-G998U) Verizon, and I have tried this method and it is 100% successful without any problems to repair the Samsung Galaxy S21 Ultra SM-G998U which is bootloop (stuck on the logo) and successfully recovered as before, aka no longer stuck on the logo.

Make sure the version of the Samsung Galaxy S21 Ultra (SM-G998U) that you want to flash is in accordance with the firmware that I uploaded here "how to check the Samsung version" here are the details of the firmware that I used for flashing:

• Phone Name: Samsung Galaxy S21 Ultra 5G
• Model Number: SM-G998U
• Android Version: 14 - 15
• Country / Market: United States (VZW)
• Product Code: Verizon (VZW)

Before carrying out the flashing process for the Samsung Galaxy S21 Ultra (SM-G998U), you should first back up all data stored in the internal memory (phone memory) because after the flashing process is complete and successful, all data will be deleted as when you first bought it new, but if you can't back it up, it means you have to be willing to lose all data.

How To Flash Samsung Galaxy S21 Ultra SM-G998U (VZW) via Odin Work:

1. Select according to Binary and download the firmware (stock rom) Samsung Galaxy S21 Ultra (SM-G998U) 4 files via SamFW by clicking the download link, wait for loading to finish, focus on the Go.EvilicaCell.com page then click the get link button > scroll down and click the go to link button, then you will be directed to the download page.
2. Extract the downloaded Samsung Galaxy S21 Ultra firmware by right-clicking > selecting extract here until finished (password: evilicacelldotcom) and wait until the extract process is complete.
3. Download Samsung USB Drivers or via Samsung Mirror in the same way as above, then install as usual by right-clicking > selecting Run as administrator then install until complete.
4. Download Odin3-v3.13.3 in the same way as before, then extract and run Odin3.exe > right click select Run as administrator and wait until it opens.
5. Click the AP box in Odin3 then enter the extracted Samsung Galaxy S21 Ultra firmware file (AP_tar.md5) click Open.
   
6. Also enter the BL, CP, and CSC files into their respective boxes and wait until the file loading process is complete.
7. With the Samsung Galaxy S21 Ultra phone turned off and the battery charged, press and hold the volume up + volume down buttons while connecting it to the PC using a USB cable.
   
8. A warning message will appear!! then press the volume up button once to enter download mode (Odin mode) and the ID:Com will be detected on Odin3 and will be detected as a Samsung Mobile USB Modem in the device manager.
9. For Odin settings, just leave them at default (don't mess around), then click START on Odin3 to start the flash process, and wait until the flash process is 100% complete.

When the flashing process of the Samsung Galaxy S21 Ultra (SM-G998U) is in progress, it is best not to disturb it so that the connection is not lost, and if it is 100% complete without error, the words RESET in blue or PASS in green will appear on Odin3 and the Samsung Galaxy S21 Ultra cellphone will restart automatically and wait until it enters the initial display.

If after the flash process is complete but there is no change, aka still bootloop (stuck logo), you can try wiping the cache data via recovery for maximum results and how to solve it.

To make it easier to understand how to flash Samsung Galaxy S21 Ultra SM-G998U via Odin, you can watch the following video (coming soon on EvilicaCell YouTube and we will upload it soon)

Okay, maybe that's all the flash tutorial for the Samsung Galaxy S21 Ultra (SM-G998U) 100% work from EvilicaCell. If you are still confused or have difficulty downloading, you can comment below. If you want to subscribe to other tutorial updates, you can subscribe to the EvilicaCell YouTube channel for free and see you next time.

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