Galaxy S21 5G
Firmware G991USQSHHYI1
United States · DSHAndroid 15Built Sep 3, 2025Release information
The software versions and region covered by this firmware update.
G991USQSHHYI1G991UOYNHHYI1 United StatesInside the firmware
Read from the build properties and kernel of this firmware.
o1qAP3A.240905.015.A2.G991USQSHHYI15.4.274-qgki-30957850-abG991USQSHHYI1United States · CSC DSH · 3 carriers in 1 country
CSC is Samsung's region and carrier customization. The networks below are included in this release.
T-Mobile310240NWIDNW02086T-Mobile310240NWIDNW0208599999NWIDNW0208600101NWIDNW00156