Latest Samsung Galaxy S21 (SM-G991U) - ATT firmware

Model		Date	PDA	Version
SM-G991U	USA (AT&T)	2025-06-25	G991USQSGHYF2	15
SM-G991U	USA (AT&T)	2025-06-08	G991USQSFHYE2	15
SM-G991U	USA (AT&T)	2025-05-12	G991USQUEHYDA	15

Model	Country/Carrier
SM-G991U	USA (AT&T)
Date	PDA
2025-06-25	G991USQSGHYF2
Version
15

Model	Country/Carrier
SM-G991U	USA (AT&T)
Date	PDA
2025-06-08	G991USQSFHYE2
Version
15

Model	Country/Carrier
SM-G991U	USA (AT&T)
Date	PDA
2025-05-12	G991USQUEHYDA
Version
15