This Firmware flash for Samsung Galaxy S21 Ultra 5G with the Model Number is SM-G998B. Firmware Region is Greece and CSC code is COS Cosmote. Make sure the Model Number are correct with you device. You can check the Model Number in Setting - About phone (Model Number), If phone can't start you can find it by flipping your phone or among the things you found in the box. This Firmware PDA is G998BXXU5CVH7 with OS S(Android 12) and the Firmware are build on Wed 31 Aug 2022 14:36:20 pm.

Download Firmware Samsung Galaxy S21 Ultra 5G (SM-G998B)

AP Version: G998BXXU5CVH7
CSC Version: G998BOXM5CVH7
Android Version: S(Android 12)
Region: COS Cosmote
Country: Greece
Binary: 5
Security patch level : 2022-08-01

Build Date: 2022-08-31 14:36:20
Size: 7.66 GB
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About Phone:

Samsung Galaxy S21 Ultra 5G Android smartphone. Announced Jan 2021. Features 6.8″ display, Exynos 2100 chipset, 5000 mAh battery, 512 GB storage, 16 GB RAM, Corning Gorilla Glass Victus.

Admin Sep 01, 2022 SM-G998B, COS

What's new

• Overall stability of your device has been improved.

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How to flash firmware

Extract (unzip) the SM-G998B_COS_G998BXXU5CVH7......G998BXXU5CVH7.zip file. using WinRAR or 7-Zip.
Download Odin Tool 3.14.1
Extract Odin and open it.
Reboot Samsung Phone in Download Mode (hold Home + Power + Volume Down buttons / hold Volume Down + Bixby buttons then plug-in cable)
Connect you Samsung Phone and wait until you get a BLUE sign in Odin.
Add the 1 file Samsung firmware to AP/PDA or 4 files Samsung firmware (AP/BL/CP/CSC) to it's slots.
Do NOT tick any extra boxes. The only options to be ticked are F.Reset Time and Auto-Reboot.
Click the start button, wait for Odin to say 'PASS' in a GREEN sign. Once the flash is complete, your phone will reboot, and you can disconnect your phone from the PC.

The Samsung Galaxy S series is a line of high-end Android mobile devices produced by Samsung Electronics. The series consisted initially of smartphones and the first device, the Samsung Galaxy S, was announced in March 2010 and released for sale in June of that year.

Source: wikipedia.org

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