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    Latest Samsung Galaxy Tab Active4 Pro 5G (SM-T638U) - ATT firmware

    Samsung Galaxy Tab Active4 Pro 5G (SM-T638U) firmware for USA (AT&T) (ATT): 6 builds in the SamMobile archive, newest first. The latest is T638UUEU8EYE8 (Android 15, built 23 May 2025). Open a build to download it, or switch region with the country selector.

    SM-T638B SM-X306B SM-X306N SM-X308B
    Model
    		Build date PDA Version
    SM-T638U USA (AT&T) 2025-05-23 T638UUEU8EYE8 15
    SM-T638U USA (AT&T) 2026-02-14 T638UUESAEZB4 15
    SM-T638U USA (AT&T) 2025-08-13 T638UUES9EYH2 15
    SM-T638U USA (AT&T) 2024-12-02 T638UUES8DXK5 14
    SM-T638U USA (AT&T) 2023-07-04 T638UUES3CWG2 13
    SM-T638U USA (AT&T) 2023-01-19 T638UUES1BWA2 13
    Model Country/Carrier
    SM-T638U USA (AT&T)
    Build date PDA
    2025-05-23 T638UUEU8EYE8
    Version
    15
    Model Country/Carrier
    SM-T638U USA (AT&T)
    Build date PDA
    2026-02-14 T638UUESAEZB4
    Version
    15
    Model Country/Carrier
    SM-T638U USA (AT&T)
    Build date PDA
    2025-08-13 T638UUES9EYH2
    Version
    15
    Model Country/Carrier
    SM-T638U USA (AT&T)
    Build date PDA
    2024-12-02 T638UUES8DXK5
    Version
    14
    Model Country/Carrier
    SM-T638U USA (AT&T)
    Build date PDA
    2023-07-04 T638UUES3CWG2
    Version
    13
    Model Country/Carrier
    SM-T638U USA (AT&T)
    Build date PDA
    2023-01-19 T638UUES1BWA2
    Version
    13
    Model
    		Build date PDA Version
    SM-X308U USA (AT&T) 2024-10-11 X308UUES4AXJ1 14
    SM-X308U USA (AT&T) 2026-08-20 X308UUESEDZH2 16
    SM-X308U USA (AT&T) 2026-06-03 X308UUEUBDZF1 16
    SM-X308U USA (AT&T) 2025-12-01 X308UUES8CYL1 16
    SM-X308U USA (AT&T) 2025-09-30 X308UUES7BYIB 15
    SM-X308U USA (AT&T) 2024-12-02 X308UUES5AXL1 14
    SM-X308U USA (AT&T) 2024-11-13 X308UUEU5AXK2 14
    SM-X308U USA (AT&T) 2024-08-12 X308UUES3AXH2 14
    SM-X308U USA (AT&T) 2024-04-01 X308UUES1AXCA 14
    Model Country/Carrier
    SM-X308U USA (AT&T)
    Build date PDA
    2024-10-11 X308UUES4AXJ1
    Version
    14
    Model Country/Carrier
    SM-X308U USA (AT&T)
    Build date PDA
    2026-08-20 X308UUESEDZH2
    Version
    16
    Model Country/Carrier
    SM-X308U USA (AT&T)
    Build date PDA
    2026-06-03 X308UUEUBDZF1
    Version
    16
    Model Country/Carrier
    SM-X308U USA (AT&T)
    Build date PDA
    2025-12-01 X308UUES8CYL1
    Version
    16
    Model Country/Carrier
    SM-X308U USA (AT&T)
    Build date PDA
    2025-09-30 X308UUES7BYIB
    Version
    15
    Model Country/Carrier
    SM-X308U USA (AT&T)
    Build date PDA
    2024-12-02 X308UUES5AXL1
    Version
    14
    Model Country/Carrier
    SM-X308U USA (AT&T)
    Build date PDA
    2024-11-13 X308UUEU5AXK2
    Version
    14
    Model Country/Carrier
    SM-X308U USA (AT&T)
    Build date PDA
    2024-08-12 X308UUES3AXH2
    Version
    14
    Model Country/Carrier
    SM-X308U USA (AT&T)
    Build date PDA
    2024-04-01 X308UUES1AXCA
    Version
    14