Home / Firmware / SM-G991B / SLK

Firmware G991BXXUEHYD5

Device Galaxy S21 5G

Model SM-G991B

Region SLK

Country Sri Lanka

OS Android 15

Release Date 4/15/2025

Upload Date 5/8/2025

PDA G991BXXUEHYD5

CSC G991BOXMEHYD5

Changelist 30959686

Size 9061632112 bytes (approx. 8.4 GB)

SLK CSC Breakdown

Network ID

NW00357

Network Name

Dialog

Network Country

Sri Lanka

Network Bands

GSM 900 / GSM 1800 / UMTS 2100 / LTE 1800

Network ID

NW00759

Network Name

Mobitel

Network Country

Sri Lanka

Network Bands

GSM 900 / GSM 1800 / UMTS 2100 / LTE 850 / LTE 900 / LTE 1800 / LTE 2100

Network ID

NW00485

Network Name

Etisalat

Network Country

Sri Lanka

Network Bands

GSM 900 / GSM 1800 / UMTS 2100

Network ID

NW00065

Network Name

Airtel

Network Country

Sri Lanka

Network Bands

GSM 900 / GSM 1800 / LTE 850 / LTE 2100 / TD-LTE 2500

Network ID

NW00573

Network Name

Hutch

Network Country

Sri Lanka

Network Bands

GSM 900 / UMTS 2100 / LTE 900 / LTE 1800

Network ID

NW00909

Network Name

Ooredoo Maldives

Network Country

Maldives

Network Bands

GSM 900 / UMTS 2100 / LTE 1800 / LTE 2600 / 5G

Network ID

NW00388

Network Name

Dhiraagu

Network Country

Maldives

Network Bands

GSM 900 / UMTS 2100 / LTE 1800 / LTE 2600 / 5G 3500