Home / Firmware / SM-G991B / XXV

Firmware G991BXXS9FXAI

Device Galaxy S21 5G

Model SM-G991B

Region XXV

Country VIETNAM

OS Android 14

Release Date 1/30/2024

Upload Date 2/16/2024

PDA G991BXXS9FXAI

CSC G991BOXM9FXAI

Changelist 27764024

Size 8230106572 bytes (approx. 7.7 GB)

XXV CSC Breakdown

Network ID

NW00539

Network Name

Gmobile

Network Country

Vietnam

Network Bands

GSM 1800

Network ID

NW01450

Network Name

VN MobiFone

Network Country

Vietnam

Network Bands

GSM 900 / GSM 1800 / UMTS 2100

Network ID

NW02010

Network Name

reddi

Network Country

Vietnam

Network Bands

MVNO

Network ID

NW01471

Network Name

VN VINAPHONE

Network Country

Vietnam

Network Bands

GSM 900 / GSM 1800 / UMTS 900 / UMTS 2100 / LTE 1800

Network ID

NW01470

Network Name

VN Vietnamobile

Network Country

Vietnam

Network Bands

GSM 900 / UMTS 2100

Network ID

NW02262

Network Name

iTel

Network Country

Vietnam

Network Bands

WiMAX

Network ID

NW01431

Network Name

VIETTEL

Network Country

Vietnam

Network Bands

GSM 900 / UMTS 2100 / LTE 1800 / LTE 2100