Home / Firmware / SM-G991B / CAL

Firmware G991BXXSJHZC2

Device Galaxy S21 5G

Model SM-G991B

Region CAL

Country THAILAND

OS Android 15

Release Date 3/9/2026

Upload Date 3/19/2026

PDA G991BXXSJHZC2

CSC G991BOXMJHZC2

Changelist 30959686

Size 9064413840 bytes (approx. 8.4 GB)

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CAL CSC Breakdown

Network ID

NW00274

Network Name

Cellcard

Network Country

Cambodia

Network Bands

GSM 900 / GSM 1800 / UMTS 2100 / LTE 1800

Network ID

NW01086

Network Name

Seatel

Network Country

Cambodia

Network Bands

LTE 850 / LTE 2600

Network ID

NW01128

Network Name

Smart

Network Country

Cambodia

Network Bands

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

Network ID

NW01071

Network Name

Network Country

Cambodia

Network Bands

GSM 1800 / UMTS 2100

Network ID

NW00738

Network Name

Metfone

Network Country

Cambodia

Network Bands

GSM 900 / GSM 1800 / UMTS 2100 / LTE 1800

Network ID

NW00104

Network Name

Beeline KH

Network Country

Cambodia

Network Bands

GSM 900 / GSM 1800 / UMTS 2100 / LTE 1800

Network ID

NW00655

Network Name

Lao Telecom

Network Country

Laos

Network Bands

GSM 900 / GSM 1800 / UMTS 2100 / LTE 1800 / 5G

Network ID

NW00439

Network Name

ETL Mobile

Network Country

Laos

Network Bands

GSM 900 / GSM 1800 / UMTS 2100

Network ID

NW01402

Network Name

Unitel

Network Country

Laos

Network Bands

GSM 900 / GSM 1800 / UMTS 2100 / LTE 1800

Network ID

NW00099

Network Name

Beeline

Network Country

Laos

Network Bands

GSM 900 / GSM 1800 / UMTS 2100

Network ID

NW02164

Network Name

Best Telecom

Network Country

Laos

Network Bands

GSM 900 / GSM 1800 / UMTS 2100