Latest Samsung Galaxy S26 Ultra (SM-S948U) - ATT firmware

Samsung Galaxy S26 Ultra (SM-S948U) firmware for USA (AT&T) (ATT): 4 builds in the SamMobile archive, newest first. The latest is S948USQS4AZG3 (Android 16, built 2 July 2026). Open a build to download it, or switch region with the country selector.

SC-53G SCG37 SM-S9480 SM-S948B SM-S948C SM-S948N SM-S948Q SM-S948W SM-S948Z

Model		Build date	PDA	Version
SM-S948U	USA (AT&T)	2026-07-02	S948USQS4AZG3	16
SM-S948U	USA (AT&T)	2026-06-01	S948USQS3AZF1	16
SM-S948U	USA (AT&T)	2026-05-08	S948USQS2AZE1	16
SM-S948U	USA (AT&T)	2026-04-23	S948USQU2AZDI	16

Model	Country/Carrier
SM-S948U	USA (AT&T)
Build date	PDA
2026-07-02	S948USQS4AZG3
Version
16

Model	Country/Carrier
SM-S948U	USA (AT&T)
Build date	PDA
2026-06-01	S948USQS3AZF1
Version
16

Model	Country/Carrier
SM-S948U	USA (AT&T)
Build date	PDA
2026-05-08	S948USQS2AZE1
Version
16

Model	Country/Carrier
SM-S948U	USA (AT&T)
Build date	PDA
2026-04-23	S948USQU2AZDI
Version
16

Model		Build date	PDA	Version
SM-S948U1	USA (AT&T)	2026-08-26	S948U1UES4AZHL	16

Model	Country/Carrier
SM-S948U1	USA (AT&T)
Build date	PDA
2026-08-26	S948U1UES4AZHL
Version
16

Latest Samsung Galaxy S26 Ultra (SM-S948U) - ATT firmware

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