Galaxy S21 5G
Firmware G991BXXSJHZC2
United Kingdom · O2UAndroid 15Built Mar 9, 2026Release information
The software versions and region covered by this firmware update.
G991BXXSJHZC2G991BOXMJHZC2 United KingdomInside the firmware
Read from the build properties and kernel of this firmware.
o1sAP3A.240905.015.A2.G991BXXSJHZC25.4.242-30958140-abG991BXXSJHZC2United Kingdom · CSC O2U · 2 carriers in 1 country
CSC is Samsung's region and carrier customization. The networks below are included in this release.
O2 (UK)23402NWIDNW00928O2 (UK)23410NWIDNW00928O2 (UK)23410NWIDNW00886O2 (UK)23410NWIDNW02107