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    Latest Samsung Galaxy S21 Ultra (SM-G998U) - ATT firmware

    Model Country/Carrier Date PDA Version
    SM-G998U USA (AT&T) 2023-08-16 G998USQS8EWH1 13
    Model Country/Carrier
    SM-G998U USA (AT&T)
    Date PDA
    2023-08-16 G998USQS8EWH1
    Version
    13

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    We recommend using Samsung’s own utilities, Samsung Smart Switch and OTA (Over-the-air), to upgrade devices. Use SamMobile only if you are 100% sure about the risks involved in flashing your device. SamMobile is not responsible for any damage caused by using the files on this website.