This Firmware flash for Samsung Galaxy S21 Ultra 5G with the Model Number is SM-G998U. Firmware Region is United States and CSC code is CHA Xfinity Mobile. 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 G998USQU2AUB5 with OS R(Android 11) and the Firmware are build on Thu 04 Mar 2021 11:00:34 am.

Download Firmware Samsung Galaxy S21 Ultra 5G (SM-G998U)

AP Version: G998USQU2AUB5
CSC Version: G998UOYN2AUB5
Android Version: R(Android 11)
Region: CHA Xfinity Mobile
Country: United States
Binary: 2
Security patch level : 2021-03-01

Build Date: 2021-03-04 11:00:34
Size: 6.62 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 Mar 04, 2021 SM-G998U, CHA

What's new

• The performance of Camera has been improved
• Overall device performance has been improved.
• The security of your device has been improved.

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How to flash firmware

Extract (unzip) the SM-G998U_CHA_G998USQU2AUB5......G998USQU2AUB5.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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1	SM-G998U	G998USQU7EWE5	USC	T(Android 13)	7.22 GB	Download
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3	SM-G998U	G998USQS6EWD4	SPR	T(Android 13)	7.27 GB	Download
4	SM-G998U	G998USQS6EWD5	CCT	T(Android 13)	7.2 GB	Download
5	SM-G998U	G998USQU6EWD3	CHA	T(Android 13)	7.2 GB	Download
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