Latest Samsung Galaxy S23 Ultra (SM-S918U) - ATT firmware

Samsung Galaxy S23 Ultra (SM-S918U) firmware for USA (AT&T) (ATT): 3 builds in the SamMobile archive, newest first. The latest is S918USQS8FZG1 (Android 16, built 7 July 2026). Open a build to download it, or switch region with the country selector.

Model		Build date	PDA	Version
SM-S918U	USA (AT&T)	2026-07-07	S918USQS8FZG1	16
SM-S918U	USA (AT&T)	2026-06-12	S918USQS8FZF5	16
SM-S918U	USA (AT&T)	2026-05-14	S918USQS7FZE3	16

Model	Country/Carrier
SM-S918U	USA (AT&T)
Build date	PDA
2026-07-07	S918USQS8FZG1
Version
16

Model	Country/Carrier
SM-S918U	USA (AT&T)
Build date	PDA
2026-06-12	S918USQS8FZF5
Version
16

Model	Country/Carrier
SM-S918U	USA (AT&T)
Build date	PDA
2026-05-14	S918USQS7FZE3
Version
16

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Latest Samsung Galaxy S23 Ultra (SM-S918U) - ATT firmware

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