Samsung Galaxy S21 5G (SM-G991Q) Android 15 Firmware (G991QOPS1EYJ1) – JP | SamFrew

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Galaxy S21 5G

SM-G991Q Firmware

Latest firmware

PDAG991QOPS1EYJ1

SJPAndroid 15Released 10/17/2025

Firmware details

Technical package info

Key identifiers and package metadata for this release.

PDA: G991QOPS1EYJ1
CSC: G991QQOP1EYJ1
Country: JP
Changelist: 30959686
Upload date: 11/20/2025
Package size: 7.4 GB (7973766416 bytes)
File name: SJP-G991QOPS1EYJ1-20251119155230.zip

Networks supported by this firmware

JPCSC code SJP6 carriers in 2 countries

What is CSC?

CSC stands for Consumer Software Customization (sometimes "Country Sales Code"). Samsung firmware ships with carrier- and region-specific configs; the networks listed below are what this CSC was built to support out of the box.

au

MCCMNC44051NWIDNW01904

KDDI Corporation

5G 8005G 35005G 37005G 28000LTE 700LTE 850LTE 1500LTE 1800LTE 2100TD-LTE 2500TD-LTE 3500

au

MCCMNC44051NWIDNW01924

KDDI Corporation

5G 8005G 35005G 37005G 28000LTE 700LTE 850LTE 1500LTE 1800LTE 2100TD-LTE 2500TD-LTE 3500

au

MCCMNC44051NWIDNW02076

KDDI Corporation

5G 8005G 35005G 37005G 28000LTE 700LTE 850LTE 1500LTE 1800LTE 2100TD-LTE 2500TD-LTE 3500

au

MCCMNC44051NWIDNW00632

KDDI Corporation

5G 8005G 35005G 37005G 28000LTE 700LTE 850LTE 1500LTE 1800LTE 2100TD-LTE 2500TD-LTE 3500

au

MCCMNC44051NWIDNW01946

KDDI Corporation

5G 8005G 35005G 37005G 28000LTE 700LTE 850LTE 1500LTE 1800LTE 2100TD-LTE 2500TD-LTE 3500

au

MCCMNC44054NWIDNW02258

KDDI Corporation

5G NR 3500

au

MCCMNC44054NWIDNW01924

KDDI Corporation

5G NR 3500

au

MCCMNC44054NWIDNW02076

KDDI Corporation

5G NR 3500

au

MCCMNC44054NWIDNW00632

KDDI Corporation

5G NR 3500

au

MCCMNC44054NWIDNW01946

KDDI Corporation

5G NR 3500

NTT docomo

MCCMNC44010NWIDNW00875

NTT DoCoMo , Inc.

5G 35005G 47005G 28000LTE 700LTE 850LTE 1500LTE 1800LTE 2100TD-LTE 3500

Rakuten Mobile

MCCMNC44011NWIDNW01902

Rakuten Mobile Network, Inc.

5G 3700LTE 700LTE 1800

SoftBank

MCCMNC44020NWIDNW01155

SoftBank Corp.

5G 37005G 28000LTE 700LTE 900LTE 1500LTE 1800LTE 2100TD-LTE 2500TD-LTE 3500

Roaming partners (1)

Orange

MCCMNC20801NWIDNW01902

Orange S.A.

5G 7005G 21005G 3500LTE 700LTE 800LTE 1800LTE 2100LTE 2600UMTS 900UMTS 2100GSM 900