Latest Samsung Galaxy A26 5G (SM-A266U1) - ATT firmware

Samsung Galaxy A26 5G (SM-A266U1) firmware for USA (AT&T) (ATT): 4 builds in the SamMobile archive, newest first. The latest is A266U1UES7BZB6 (Android 16, built 13 February 2026). Open a build to download it, or switch region with the country selector.

SM-A266B SM-A266M SM-A266U SM-S266V

Model		Build date	PDA	Version
SM-A266U1	USA (AT&T)	2026-02-13	A266U1UES7BZB6	16
SM-A266U1	USA (AT&T)	2026-08-20	A266U1UESACZH3	16
SM-A266U1	USA (AT&T)	2025-07-08	A266U1UES3AYG1	15
SM-A266U1	USA (AT&T)	2025-02-18	A266U1UEU1AYB7	15

Model	Country/Carrier
SM-A266U1	USA (AT&T)
Build date	PDA
2026-02-13	A266U1UES7BZB6
Version
16

Model	Country/Carrier
SM-A266U1	USA (AT&T)
Build date	PDA
2026-08-20	A266U1UESACZH3
Version
16

Model	Country/Carrier
SM-A266U1	USA (AT&T)
Build date	PDA
2025-07-08	A266U1UES3AYG1
Version
15

Model	Country/Carrier
SM-A266U1	USA (AT&T)
Build date	PDA
2025-02-18	A266U1UEU1AYB7
Version
15

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Latest Samsung Galaxy A26 5G (SM-A266U1) - ATT firmware

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