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Firmware G991BXXU4CVC4

Device Galaxy S21 5G

Model SM-G991B

Region MXO

Country  Mexico

OS Android 12

Release Date 3/7/2022

Upload Date 4/27/2022

PDA G991BXXU4CVC4

CSC G991BOWO4CVB9

Changelist 23695702

Size 7093654240 bytes (approx. 6.6 GB)

MXO CSC Breakdown

Network ID
NW00614
Network Name
Iusacell
Network Country
 Mexico
Network Bands
UMTS 850 / UMTS 1900 / UMTS 1700 / LTE 850 / LTE 1700 / LTE 2600 / TD-LTE 2600 / 5G 2600 / 5G 3500
Network ID
NW00855
Network Name
Nextel
Network Country
 Mexico
Network Bands
UMTS 1700 / LTE 850 / LTE 1700
Network ID
NW00780
Network Name
movistar MX
Network ID
NW01223
Network Name
TELCEL
Network Country
 Mexico
Network Bands
UMTS 850 / UMTS 1900 / LTE 850 / LTE 1700 / LTE 2600 / 5G
Network ID
NW01645
Network Name
ALTAN
Network Country
 Mexico
Network Bands
LTE 700
Network ID
NW02090
Network Name
YOBI
Network Country
 Mexico
Network Bands
MVNO
Network ID
NW01652
Network Name
AZTECA MOVIL
Network Country
 Mexico
Network Bands
UMTS 850 / UMTS 1900 / LTE 850 / LTE 1700 / LTE 2600 / 5G
Network ID
NW01949
Network Name
AIRBUS
Network Country
 Mexico
Network Bands
Unknown
Network ID
NW02027
Network Name
AXTEL
Network Country
 Mexico
Network Bands
Unknown