Available Samsung
Firmware Files

All listed firmware can be installed using ChimeraTool!
The firmware list is constantly expanding with the current versions.
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Samsung
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Search Samsung Firmwares

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Found 128 firmware files matching your search.

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionV (Android 15)
DateMar 12, 2026
CSCG998NOKRCHZA9
PDAG998NKSSCHZA9
PhoneG998NKOSCHZA5
BITC
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionV (Android 15)
DateMar 12, 2026
CSCG998NOKRCHZA9
PDAG998NKSSCHZA9
PhoneG998NKOSCHZA5
BITC
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionV (Android 15)
DateMar 12, 2026
CSCG998NOKRCHZA9
PDAG998NKSSCHZA9
PhoneG998NKOSCHZA5
BITC
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionV (Android 15)
DateMar 12, 2026
CSCG998NOKRCHZA9
PDAG998NKSSCHZA9
PhoneG998NKOSCHZA5
BITC
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionGalaxy S21 Ultra 5G (SM-G998N)
DateJan 13, 2026
CSCG998NOKRCHZA5
PDAG998NKSSCHZA5
PhoneG998NKOSCHZA5
BITC
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionGalaxy S21 Ultra 5G (SM-G998N)
DateNov 12, 2025
CSCG998NOKRBHYK5
PDAG998NKSSBHYK5
PhoneG998NKOSBHYK5
BITB
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionGalaxy S21 Ultra 5G (SM-G998N)
DateAug 5, 2025
CSCG998NOKRAHYH5
PDAG998NKSSAHYH5
PhoneG998NKOSAHYH5
BITA
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionV (Android 15)
DateJun 9, 2025
CSCG998NOKR9HYE5
PDAG998NKSS9HYE5
PhoneG998NKOS9HYE5
BIT9
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionV (Android 15)
DateJun 9, 2025
CSCG998NOKR9HYE5
PDAG998NKSS9HYE5
PhoneG998NKOS9HYE5
BIT9
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionGalaxy S21 Ultra 5G (SM-G998N)
DateMay 21, 2025
CSCG998NOKR9HYE5
PDAG998NKSS9HYE5
PhoneG998NKOS9HYE5
BIT9
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionV (Android 15)
DateApr 29, 2025
CSCG998NOKR8GYC1
PDAG998NKSS8GYC1
PhoneG998NKOS8GYC1
BIT8
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionV (Android 15)
DateApr 29, 2025
CSCG998NOKR8HYD9
PDAG998NKSU8HYD9
PhoneG998NKOU8HYD9
BIT8
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionV (Android 15)
DateApr 29, 2025
CSCG998NOKR8GYC1
PDAG998NKSS8GYC1
PhoneG998NKOS8GYC1
BIT8
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionGalaxy S21 Ultra 5G (SM-G998N)
DateApr 16, 2025
CSCG998NOKR8HYD9
PDAG998NKSU8HYD9
PhoneG998NKOU8HYD9
BIT8
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionU (Android 14)
DateMar 20, 2025
CSCG998NOKR8GYC1
PDAG998NKSS8GYC1
PhoneG998NKOS8GYC1
BIT8
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionGalaxy S21 Ultra 5G (SM-G998N)
DateMar 7, 2025
CSCG998NOKR8GYC1
PDAG998NKSS8GYC1
PhoneG998NKOS8GYC1
BIT8
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionU (Android 14)
DateJan 23, 2025
CSCG998NOKR8GYA1
PDAG998NKSS8GYA1
PhoneG998NKOS8GYA1
BIT8
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionU (Android 14)
DateJan 23, 2025
CSCG998NOKR8GYA1
PDAG998NKSS8GYA1
PhoneG998NKOS8GYA1
BIT8
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionU (Android 14)
DateJan 23, 2025
CSCG998NOKR8GYA1
PDAG998NKSS8GYA1
PhoneG998NKOS8GYA1
BIT8
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionU (Android 14)
DateJan 23, 2025
CSCG998NOKR8GYA1
PDAG998NKSS8GYA1
PhoneG998NKOS8GYA1
BIT8
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionGalaxy S21 Ultra 5G (SM-G998N)
DateDec 3, 2024
CSCG998NOKR8GXL1
PDAG998NKSS8GXL1
PhoneG998NKOS8GXL1
BIT8
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionGalaxy S21 Ultra 5G (SM-G998N)
DateNov 6, 2024
CSCG998NOKR8GXK1
PDAG998NKSS8GXK1
PhoneG998NKOS8GXK1
BIT8
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionGalaxy S21 Ultra 5G (SM-G998N)
DateOct 10, 2024
CSCG998NOKR7GXJ1
PDAG998NKSS7GXJ1
PhoneG998NKOS7GXJ1
BIT7
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionGalaxy S21 Ultra 5G (SM-G998N)
DateSep 9, 2024
CSCG998NOKR6GXI2
PDAG998NKSS6GXI2
PhoneG998NKOS6GXI2
BIT6
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionU (Android 14)
DateAug 19, 2024
CSCG998NOKR6GXGJ
PDAG998NKSS6GXGJ
PhoneG998NKOS6GXGJ
BIT6
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionGalaxy S21 Ultra 5G (SM-G998N)
DateAug 6, 2024
CSCG998NOKR6GXGJ
PDAG998NKSS6GXGJ
PhoneG998NKOS6GXGJ
BIT6
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionGalaxy S21 Ultra 5G (SM-G998N)
DateJul 15, 2024
CSCG998NOKR6GXG2
PDAG998NKSS6GXG2
PhoneG998NKOS6GXG2
BIT6
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionGalaxy S21 Ultra 5G (SM-G998N)
DateJun 5, 2024
CSCG998NOKR5GXF1
PDAG998NKSS5GXF1
PhoneG998NKOS5GXF1
BIT5
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionU (Android 14)
DateMay 30, 2024
CSCG998NOKR5GXE1
PDAG998NKSS5GXE1
PhoneG998NKOS5GXE1
BIT5
Download

Samsung Galaxy S21 Ultra 5G

(SM-G998N)
VersionGalaxy S21 Ultra 5G (SM-G998N)
DateMay 13, 2024
CSCG998NOKR5GXE1
PDAG998NKSS5GXE1
PhoneG998NKOS5GXE1
BIT5
Download