Home / Firmware / SM-G991B / IUS

Firmware G991BXXUEHYD5

Device Galaxy S21 5G

Model SM-G991B

Region IUS

Country Mexico

OS Android 15

Release Date 4/15/2025

Upload Date 5/13/2025

PDA G991BXXUEHYD5

CSC G991BOWOEHYD5

Changelist 30959686

Size 9080908976 bytes (approx. 8.5 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

NW01140

Network Name

SKY

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

NW02313

Network Name

Mega

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

Network ID

NW02303

Network Name

NeWWW

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

NW02314

Network Name

Yo Mobile

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

NW02365

Network Name

WIM

Network Country

Mexico

Network Bands

UMTS 850 / UMTS 1900 / UMTS 1700 / LTE 850 / LTE 1700 / LTE 2600 / TD-LTE 2600 / 5G 2600 / 5G 3500