Firmware G991BXXS9EWI1

Device Galaxy S21 5G

Model SM-G991B

Region MYM

Country THAILAND

OS Android 13

Release Date 8/31/2023

Upload Date 9/15/2023

PDA G991BXXS9EWI1

CSC G991BOXM9EWH5

Changelist 27100863

Size 7972816451 bytes (approx. 7.4 GB)

MYM CSC Breakdown

Network ID

NW00799

Network Name

MPT

Network Country

Myanmar

Network Bands

GSM 900 / UMTS 2100 / LTE 1800 / LTE 2100

Network ID

NW02163

Network Name

ATOM

Network Country

Myanmar

Network Bands

GSM 900 / UMTS 2100 / LTE 1800 / LTE 2100

Network ID

NW00955

Network Name

Ooredoo

Network Country

Myanmar

Network Bands

UMTS 900 / UMTS 2100 / LTE 1800 / LTE 2100

Network ID

NW01638

Network Name

MYTEL

Network Country

Myanmar

Network Bands

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