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Galaxy S21 5G

SM-G991B Firmware

Latest firmware

PDAG991BXXSJHZC2

SINAndroid 15Released 3/9/2026

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: G991BXXSJHZC2
CSC: G991BOXMJHZC2
Country: SINGAPORE
Changelist: 30959686
Upload date: 3/23/2026
Package size: 8.4 GB (9064413840 bytes)
File name: SIN-G991BXXSJHZC2-20260323162541.zip

SIN CSC Breakdown

Network ID

NW01098

Network Name

SGP-M1

Network Country

Singapore

Network Bands

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

Network ID

NW01130

Network Name

Singtel (Postpaid)

Network Country

Singapore

Network Bands

UMTS 900 / UMTS 2100 / LTE 900 / LTE 1800 / LTE 2600 / 5G 2100 / 5G 3500 / 5G 28000

Network ID

NW01131

Network Name

Singtel (Prepaid)

Network Country

Singapore

Network Bands

UMTS 900 / UMTS 2100 / LTE 900 / LTE 1800 / LTE 2600 / 5G 2100 / 5G 3500 / 5G 28000

Network ID

NW01187

Network Name

StarHub

Network Country

Singapore

Network Bands

UMTS 900 / UMTS 2100 / LTE 1800 / LTE 2100 / LTE 2600 / TD-LTE 2500 / 5G 2100 / 5G 3500

Network ID

NW01930

Network Name

giga

Network Country

Singapore

Network Bands

UMTS 900 / UMTS 2100 / LTE 1800 / LTE 2100 / LTE 2600 / TD-LTE 2500 / 5G 2100 / 5G 3500

Network ID

NW02198

Network Name

SIMBA

Network Country

Singapore

Network Bands

LTE 900 / TD-LTE 2300 / TD-LTE 2500

Network ID

NW00444

Network Name

DSTCom

Network Country

Brunei

Network Bands

UMTS 2100 / LTE 1800

Network ID

NW02153

Network Name

PROGRESIF

Network Country

Brunei

Network Bands

UMTS 2100

Network ID

NW02151

Network Name

Imagine

Network Country

Brunei

Network Bands

Unknown

Network ID

NW02152

Network Name

UNN

Network Country

Brunei

Network Bands

Unknown