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Firmware G991BXXS9FWLC

Device Galaxy S21 5G

Model SM-G991B

Region IUS

Country  Mexico

OS Android 14

Release Date 1/2/2024

Upload Date 1/23/2024

PDA G991BXXS9FWLC

CSC G991BOWO9FWK2

Changelist 27764024

Size 7968789351 bytes (approx. 7.4 GB)

IUS 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
NW02246
Network Name
AT&T IoT
Network Country
 Mexico
Network Bands
Unknown
Network ID
NW02239
Network Name
BLUE
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
NW02240
Network Name
Megamovil
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
NW02241
Network Name
UBIX
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
NW02219
Network Name
IZZI
Network Country
 Mexico
Network Bands
Unknown