Latest Samsung Galaxy S21 (SM-G991N) - LUC firmware

Samsung Galaxy S21 (SM-G991N) firmware for Korea (LG Uplus) (LUC): 53 builds in the SamMobile archive, newest first. The latest is G991NKSSCHZA9 (Android 15, built 5 March 2026). Open a build to download it, or switch region with the country selector.

Model		Build date	PDA	Version
SM-G991N	Korea (LG Uplus)	2026-03-05	G991NKSSCHZA9	15
SM-G991N	Korea (LG Uplus)	2026-01-12	G991NKSSCHZA5	15
SM-G991N	Korea (LG Uplus)	2025-11-12	G991NKSSBHYK5	15
SM-G991N	Korea (LG Uplus)	2025-08-01	G991NKSSAHYH5	15
SM-G991N	Korea (LG Uplus)	2025-05-21	G991NKSS9HYE5	15
SM-G991N	Korea (LG Uplus)	2025-04-15	G991NKSU8HYD9	15
SM-G991N	Korea (LG Uplus)	2025-03-05	G991NKSS8GYC1	14
SM-G991N	Korea (LG Uplus)	2025-01-07	G991NKSS8GYA1	14
SM-G991N	Korea (LG Uplus)	2024-12-03	G991NKSS8GXL1	14
SM-G991N	Korea (LG Uplus)	2024-11-06	G991NKSS8GXK1	14
SM-G991N	Korea (LG Uplus)	2024-10-08	G991NKSS7GXJ1	14
SM-G991N	Korea (LG Uplus)	2024-09-06	G991NKSS6GXI2	14
SM-G991N	Korea (LG Uplus)	2024-08-02	G991NKSS6GXGJ	14
SM-G991N	Korea (LG Uplus)	2024-07-10	G991NKSS6GXG2	14
SM-G991N	Korea (LG Uplus)	2024-06-04	G991NKSS5GXF1	14
SM-G991N	Korea (LG Uplus)	2024-05-13	G991NKSS5GXE1	14
SM-G991N	Korea (LG Uplus)	2024-04-19	G991NKSU4GXDC	14
SM-G991N	Korea (LG Uplus)	2024-04-04	G991NKSU4FXD3	14
SM-G991N	Korea (LG Uplus)	2024-01-30	G991NKSS4FXAD	14
SM-G991N	Korea (LG Uplus)	2023-12-01	G991NKSU4FWK7	14
SM-G991N	Korea (LG Uplus)	2023-11-10	G991NKSS4EWK2	13
SM-G991N	Korea (LG Uplus)	2023-08-09	G991NKSU4EWH5	13
SM-G991N	Korea (LG Uplus)	2023-05-31	G991NKSU4EWE9	13
SM-G991N	Korea (LG Uplus)	2023-03-28	G991NKSU4EWCH	13
SM-G991N	Korea (LG Uplus)	2023-02-09	G991NKSU3EWB1	13
SM-G991N	Korea (LG Uplus)	2022-12-05	G991NKSU3DVL2	13
SM-G991N	Korea (LG Uplus)	2022-11-15	G991NKSU3DVKC	13
SM-G991N	Korea (LG Uplus)	2022-10-24	G991NKSU3DVJC	13
SM-G991N	Korea (LG Uplus)	2022-09-16	G991NKSS3CVI3	12
SM-G991N	Korea (LG Uplus)	2022-08-11	G991NKSU3CVH7	12
SM-G991N	Korea (LG Uplus)	2022-07-21	G991NKSU3CVGB	12
SM-G991N	Korea (LG Uplus)	2022-06-03	G991NKSU3CVF1	12
SM-G991N	Korea (LG Uplus)	2022-05-25	G991NKSU3CVEB	12
SM-G991N	Korea (LG Uplus)	2022-04-25	G991NKSU3CVDD	12
SM-G991N	Korea (LG Uplus)	2022-03-15	G991NKSU3CVC5	12
SM-G991N	Korea (LG Uplus)	2022-03-15	G991NKSU3CVC5	12
SM-G991N	Korea (LG Uplus)	2022-02-04	G991NKSU3BVA2	12
SM-G991N	Korea (LG Uplus)	2021-12-24	G991NKSU3BULF	12
SM-G991N	Korea (LG Uplus)	2021-12-22	G991NKSS3BULC	12
SM-G991N	Korea (LG Uplus)	2021-11-23	G991NKSU3BUKG	12
SM-G991N	Korea (LG Uplus)	2021-11-09	G991NKSU3BUK9	12
SM-G991N	Korea (LG Uplus)	2021-09-28	G991NKSS3AUIN	11
SM-G991N	Korea (LG Uplus)	2021-09-28	G991NKSS3AUIN	11
SM-G991N	Korea (LG Uplus)	2021-09-14	G991NKSU3AUIG	11
SM-G991N	Korea (LG Uplus)	2021-08-17	G991NKSU3AUHB	11
SM-G991N	Korea (LG Uplus)	2021-07-29	G991NKSU3AUGM	11
SM-G991N	Korea (LG Uplus)	2021-06-09	G991NKSU3AUF6	11
SM-G991N	Korea (LG Uplus)	2021-05-21	G991NKSU3AUE8	11
SM-G991N	Korea (LG Uplus)	2021-04-23	G991NKSU3AUDA	11
SM-G991N	Korea (LG Uplus)	2021-04-23	G991NKSU3AUDA	11
SM-G991N	Korea (LG Uplus)	2021-03-19	G991NKSU2AUC8	11
SM-G991N	Korea (LG Uplus)	2021-03-19	G991NKSU2AUC8	11
SM-G991N	Korea (LG Uplus)	2021-02-23	G991NKSS2AUBB	11

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2026-03-05	G991NKSSCHZA9
Version
15

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2026-01-12	G991NKSSCHZA5
Version
15

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2025-11-12	G991NKSSBHYK5
Version
15

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2025-08-01	G991NKSSAHYH5
Version
15

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2025-05-21	G991NKSS9HYE5
Version
15

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2025-04-15	G991NKSU8HYD9
Version
15

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2025-03-05	G991NKSS8GYC1
Version
14

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2025-01-07	G991NKSS8GYA1
Version
14

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2024-12-03	G991NKSS8GXL1
Version
14

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2024-11-06	G991NKSS8GXK1
Version
14

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2024-10-08	G991NKSS7GXJ1
Version
14

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2024-09-06	G991NKSS6GXI2
Version
14

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2024-08-02	G991NKSS6GXGJ
Version
14

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2024-07-10	G991NKSS6GXG2
Version
14

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2024-06-04	G991NKSS5GXF1
Version
14

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2024-05-13	G991NKSS5GXE1
Version
14

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2024-04-19	G991NKSU4GXDC
Version
14

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2024-04-04	G991NKSU4FXD3
Version
14

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2024-01-30	G991NKSS4FXAD
Version
14

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2023-12-01	G991NKSU4FWK7
Version
14

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2023-11-10	G991NKSS4EWK2
Version
13

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2023-08-09	G991NKSU4EWH5
Version
13

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2023-05-31	G991NKSU4EWE9
Version
13

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2023-03-28	G991NKSU4EWCH
Version
13

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2023-02-09	G991NKSU3EWB1
Version
13

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2022-12-05	G991NKSU3DVL2
Version
13

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2022-11-15	G991NKSU3DVKC
Version
13

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2022-10-24	G991NKSU3DVJC
Version
13

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2022-09-16	G991NKSS3CVI3
Version
12

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2022-08-11	G991NKSU3CVH7
Version
12

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2022-07-21	G991NKSU3CVGB
Version
12

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2022-06-03	G991NKSU3CVF1
Version
12

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2022-05-25	G991NKSU3CVEB
Version
12

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2022-04-25	G991NKSU3CVDD
Version
12

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2022-03-15	G991NKSU3CVC5
Version
12

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2022-03-15	G991NKSU3CVC5
Version
12

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2022-02-04	G991NKSU3BVA2
Version
12

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2021-12-24	G991NKSU3BULF
Version
12

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2021-12-22	G991NKSS3BULC
Version
12

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2021-11-23	G991NKSU3BUKG
Version
12

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2021-11-09	G991NKSU3BUK9
Version
12

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2021-09-28	G991NKSS3AUIN
Version
11

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2021-09-28	G991NKSS3AUIN
Version
11

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2021-09-14	G991NKSU3AUIG
Version
11

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2021-08-17	G991NKSU3AUHB
Version
11

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2021-07-29	G991NKSU3AUGM
Version
11

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2021-06-09	G991NKSU3AUF6
Version
11

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2021-05-21	G991NKSU3AUE8
Version
11

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2021-04-23	G991NKSU3AUDA
Version
11

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2021-04-23	G991NKSU3AUDA
Version
11

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2021-03-19	G991NKSU2AUC8
Version
11

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2021-03-19	G991NKSU2AUC8
Version
11

Model	Country/Carrier
SM-G991N	Korea (LG Uplus)
Build date	PDA
2021-02-23	G991NKSS2AUBB
Version
11

Latest Samsung Galaxy S21 (SM-G991N) - LUC firmware

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