Home / Firmware / SM-G991Q / SJP

Firmware G991QOPS1EYJ1

Device Galaxy S21 5G

Model SM-G991Q

Region SJP

Country JP

OS Android 15

Release Date 10/17/2025

Upload Date 11/20/2025

PDA G991QOPS1EYJ1

CSC G991QQOP1EYJ1

Changelist 30959686

Size 7973766416 bytes (approx. 7.4 GB)

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SJP CSC Breakdown

Network ID

NW00875

Network Name

NTT DOCOMO

Network Country

Japan

Network Bands

UMTS 850 / UMTS 2100 / LTE 700 / LTE 850 / LTE 1500 / LTE 1800 / LTE 2100 / TD-LTE 3500 / 5G 3500 / 5G 4700 / 5G 28000

Network ID

NW01904

Network Name

UQ Mobile

Network Country

Japan

Network Bands

LTE 700 / LTE 850 / LTE 1500 / LTE 1800 / LTE 2100 / TD-LTE 2500 / TD-LTE 3500 / 5G 800 / 5G 3500 / 5G 3700 / 5G 28000

Network ID

NW01924

Network Name

J:COM MOBILE

Network Country

Japan

Network Bands

LTE 700 / LTE 850 / LTE 1500 / LTE 1800 / LTE 2100 / TD-LTE 2500 / TD-LTE 3500 / 5G 800 / 5G 3500 / 5G 3700 / 5G 28000

Network ID

NW02076

Network Name

povo

Network Country

Japan

Network Bands

LTE 700 / LTE 850 / LTE 1500 / LTE 1800 / LTE 2100 / TD-LTE 2500 / TD-LTE 3500 / 5G 800 / 5G 3500 / 5G 3700 / 5G 28000

Network ID

NW00632

Network Name

KDDI

Network Country

Japan

Network Bands

LTE 700 / LTE 850 / LTE 1500 / LTE 1800 / LTE 2100 / TD-LTE 2500 / TD-LTE 3500 / 5G 800 / 5G 3500 / 5G 3700 / 5G 28000

Network ID

NW01946

Network Name

KDDI For DATA

Network Country

Japan

Network Bands

LTE 700 / LTE 850 / LTE 1500 / LTE 1800 / LTE 2100 / TD-LTE 2500 / TD-LTE 3500 / 5G 800 / 5G 3500 / 5G 3700 / 5G 28000

Network ID

NW02258

Network Name

UQ Mobile SA

Network Country

Japan

Network Bands

CDMA 850 / CDMA 2000

Network ID

NW01902

Network Name

Rakuten

Network Country

France

Network Bands

GSM 900 / UMTS 900 / UMTS 2100 / LTE 700 / LTE 800 / LTE 1800 / LTE 2100 / LTE 2600 / 5G 2100 / 5G 3500

Network ID

NW01155

Network Name

SOFTBANK

Network Country

Japan

Network Bands

UMTS 900 / UMTS 2100 / LTE 700 / LTE 900 / LTE 1500 / LTE 1800 / LTE 2100 / TD-LTE 2500 / TD-LTE 3500 / 5G 3700 / 5G 28000