Latest Samsung Galaxy S23 Ultra (SM-S918N) - KTC firmware

Samsung Galaxy S23 Ultra (SM-S918N) firmware for Korea (KT Corporation) (KTC): 19 builds in the SamMobile archive, newest first. The latest is S918NKSS7EZB2 (Android 16, built 13 February 2026). Open a build to download it, or switch region with the country selector.

Model		Build date	PDA	Version
SM-S918N	Korea (KT Corporation)	2026-02-13	S918NKSS7EZB2	16
SM-S918N	Korea (KT Corporation)	2026-01-07	S918NKSS6EZA1	16
SM-S918N	Korea (KT Corporation)	2025-12-02	S918NKSS6EYL1	16
SM-S918N	Korea (KT Corporation)	2025-11-07	S918NKSS6EYK3	16
SM-S918N	Korea (KT Corporation)	2025-10-22	S918NKSS6EYJ7	16
SM-S918N	Korea (KT Corporation)	2025-09-26	S918NKSS6EYI9	16
SM-S918N	Korea (KT Corporation)	2025-09-12	S918NKSU6EYI7	16
SM-S918N	Korea (KT Corporation)	2025-07-29	S918NKSS6DYG8	15
SM-S918N	Korea (KT Corporation)	2025-07-02	S918NKSS6DYG1	15
SM-S918N	Korea (KT Corporation)	2025-05-30	S918NKSS6DYE5	15
SM-S918N	Korea (KT Corporation)	2025-05-09	S918NKSS6DYE1	15
SM-S918N	Korea (KT Corporation)	2025-04-15	S918NKSU6DYD9	15
SM-S918N	Korea (KT Corporation)	2025-02-26	S918NKSS6CYB3	14
SM-S918N	Korea (KT Corporation)	2025-02-04	S918NKSU5CYB1	14
SM-S918N	Korea (KT Corporation)	2023-11-10	S918NKSU2BWK7	14
SM-S918N	Korea (KT Corporation)	2023-07-28	S918NKSU2AWGJ	13
SM-S918N	Korea (KT Corporation)	2023-06-21	S918NKSU2AWF5	13
SM-S918N	Korea (KT Corporation)	2023-03-24	S918NKSU1AWC8	13
SM-S918N	Korea (KT Corporation)	2023-02-15	S918NKSU1AWBD	13

Model	Country/Carrier
SM-S918N	Korea (KT Corporation)
Build date	PDA
2026-02-13	S918NKSS7EZB2
Version
16

Model	Country/Carrier
SM-S918N	Korea (KT Corporation)
Build date	PDA
2026-01-07	S918NKSS6EZA1
Version
16

Model	Country/Carrier
SM-S918N	Korea (KT Corporation)
Build date	PDA
2025-12-02	S918NKSS6EYL1
Version
16

Model	Country/Carrier
SM-S918N	Korea (KT Corporation)
Build date	PDA
2025-11-07	S918NKSS6EYK3
Version
16

Model	Country/Carrier
SM-S918N	Korea (KT Corporation)
Build date	PDA
2025-10-22	S918NKSS6EYJ7
Version
16

Model	Country/Carrier
SM-S918N	Korea (KT Corporation)
Build date	PDA
2025-09-26	S918NKSS6EYI9
Version
16

Model	Country/Carrier
SM-S918N	Korea (KT Corporation)
Build date	PDA
2025-09-12	S918NKSU6EYI7
Version
16

Model	Country/Carrier
SM-S918N	Korea (KT Corporation)
Build date	PDA
2025-07-29	S918NKSS6DYG8
Version
15

Model	Country/Carrier
SM-S918N	Korea (KT Corporation)
Build date	PDA
2025-07-02	S918NKSS6DYG1
Version
15

Model	Country/Carrier
SM-S918N	Korea (KT Corporation)
Build date	PDA
2025-05-30	S918NKSS6DYE5
Version
15

Model	Country/Carrier
SM-S918N	Korea (KT Corporation)
Build date	PDA
2025-05-09	S918NKSS6DYE1
Version
15

Model	Country/Carrier
SM-S918N	Korea (KT Corporation)
Build date	PDA
2025-04-15	S918NKSU6DYD9
Version
15

Model	Country/Carrier
SM-S918N	Korea (KT Corporation)
Build date	PDA
2025-02-26	S918NKSS6CYB3
Version
14

Model	Country/Carrier
SM-S918N	Korea (KT Corporation)
Build date	PDA
2025-02-04	S918NKSU5CYB1
Version
14

Model	Country/Carrier
SM-S918N	Korea (KT Corporation)
Build date	PDA
2023-11-10	S918NKSU2BWK7
Version
14

Model	Country/Carrier
SM-S918N	Korea (KT Corporation)
Build date	PDA
2023-07-28	S918NKSU2AWGJ
Version
13

Model	Country/Carrier
SM-S918N	Korea (KT Corporation)
Build date	PDA
2023-06-21	S918NKSU2AWF5
Version
13

Model	Country/Carrier
SM-S918N	Korea (KT Corporation)
Build date	PDA
2023-03-24	S918NKSU1AWC8
Version
13

Model	Country/Carrier
SM-S918N	Korea (KT Corporation)
Build date	PDA
2023-02-15	S918NKSU1AWBD
Version
13

Latest Samsung Galaxy S23 Ultra (SM-S918N) - KTC firmware

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