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Galaxy S21 5G

SM-G991B Firmware

Latest firmware

PDAG991BXXSJHZC2

ZTOAndroid 15Released 3/9/2026

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: G991BXXSJHZC2
CSC: G991BOWOJHZC2
Country: Brazil
Changelist: 30959686
Upload date: 3/24/2026
Package size: 8.5 GB (9083733312 bytes)
File name: ZTO-G991BXXSJHZC2-20260325042720.zip

ZTO CSC Breakdown

Network ID

NW01299

Network Name

TIM

Network Country

Brazil

Network Bands

GSM 900 / GSM 1800 / UMTS 850 / UMTS 900 / UMTS 2100 / LTE 700 / LTE 1800 / LTE 2100 / LTE 2600 / 5G 700 / 5G 1800 / 5G 2300 / 5G 2600 / 5G 3500

Network ID

NW00243

Network Name

Claro

Network Country

Brazil

Network Bands

GSM 900 / GSM 1800 / UMTS 850 / UMTS 2100 / LTE 700 / LTE 1800 / LTE 2600 / 5G 2300 / 5G 2600 / 5G 3500

Network ID

NW01465

Network Name

VIVO

Network Country

Brazil

Network Bands

GSM 850 / GSM 1800 / UMTS 850 / UMTS 2100 / LTE 700 / LTE 1800 / LTE 2600 / 5G 700 / 5G 1800 / 5G 2300 / 5G 2600 / 5G 3500

Network ID

NW00901

Network Name

Network Country

Brazil

Network Bands

GSM 1800 / UMTS 2100

Network ID

NW01087

Network Name

Sercomtel

Network Country

Brazil

Network Bands

GSM 900 / GSM 1800 / UMTS 850

Network ID

NW02251

Network Name

Algar

Network Country

Brazil

Network Bands

GSM 900 / GSM 1800 / UMTS 2100 / LTE 700 / LTE 1800 / 5G 2300

Network ID

NW00855

Network Name

Nextel

Network Country

Brazil

Network Bands

UMTS 2100 / LTE 1800 / LTE 2100

Network ID

NW01017

Network Name

Porto Conecta

Network Country

Brazil

Network Bands

MVNO

Network ID

NW01587

Network Name

Surf Telecom

Network Country

Brazil

Network Bands

MVNO

Network ID

NW02165

Network Name

Arqia

Network Country

Brazil

Network Bands

MVNO

Network ID

NW02174

Network Name

Americanet

Network ID

NW02266

Network Name

UNIFIQUE

Network Country

Brazil

Network Bands

5G 3500

Network ID

NW02234

Network Name

Brisanet