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Galaxy S21 5G

SM-G991B Firmware

PDAG991BXXSIHYK1

SEKAndroid 15Released 11/5/2025

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: G991BXXSIHYK1
CSC: G991BOXMIHYK1
Country: Ukraine
Changelist: 30959686
Upload date: 12/1/2025
Package size: 8.4 GB (9061365856 bytes)
File name: SEK-G991BXXSIHYK1-20251201195021.zip

SEK CSC Breakdown

Network ID

NW01476

Network Name

Vodafone

Network Country

Ukraine

Network Bands

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

Network ID

NW00651

Network Name

Kyivstar

Network Country

Ukraine

Network Bands

GSM 900 / GSM 1800 / UMTS 2100 / LTE 900 / LTE 1800 / TD-LTE 2300 / LTE 2600

Network ID

NW00665

Network Name

Lifecell

Network Country

Ukraine

Network Bands

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

Network ID

NW00027

Network Name

3Mob

Network Country

Ukraine

Network Bands

UMTS 2100

Network ID

NW00989

Network Name

Orange MD

Network Country

Moldova

Network Bands

GSM 900 / GSM 1800 / UMTS 2100 / LTE 800 / LTE 1800 / LTE 2600

Network ID

NW00769

Network Name

Moldcell

Network Country

Moldova

Network Bands

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