Galaxy Tab S7, Galaxy Tab S7+ start receiving One UI 3.1 update

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Senior Member
Aug 13, 2012
Is there a way to downgrade to Android 10, I'm not sure what happen but it seems that the update screwed up my wifi. I have two Tab7+ and both were getting wifi6 speeds, now i'm only getting 40-50mbps when I should be getting around 400+mpbs.

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    After rolling out the Android 11-based One UI 3.0 update to most of its high-end smartphones, Samsung has started rolling out the Android 11 update to the Galaxy Tab S7 and the Galaxy Tab S7+. However, the new update brings along One UI 3.1 instead of One UI 3.0, which is a surprise. The company’s flagship tablets have become the first devices to receive the One UI 3.1 update.
    The Galaxy Tab S7 (SM-T875) LTE, Galaxy Tab S7+ LTE (SM-T975N), and the Galaxy Tab S7+ 5G (SM-T976N) are now receiving the Android 11-based One UI 3.1 update in South Korea. The new software update comes with firmware versions T875NKOU1BUA8, T975NKOU1BUA8, and T976NKOU1BUA8, respectively, for the three tablets. The file size of the new update is over 2.4GB, so we advise you to download it using Wi-Fi.

    The new update brings many Android 11 features, including one-time permissions, chat bubbles, a dedicated media playback widget, a conversations section in the notifications shade, and improved Digital Wellbeing. It also brings One UI 3.1 features such as the refreshed UI design, improved stock apps, Private Share, the ability to remove GPS location data from images while sharing, improved performance, improved memory allocation, more lock screen widgets, and video background for calls.
    If you are a Galaxy Tab S7 or a Galaxy Tab S7+ user in South Korea, and if you haven’t received the update yet, you can check for it manually by navigating to Settings » Software update and tapping on Download and install. It is likely that Samsung will roll out One UI 3.1 to the Galaxy Tab S7 series devices in other markets and to other Galaxy smartphones and tablets globally over the next few months.
    Maybe you could post a simple how to flash using the HOME_CSC option for people that are unsure to follow ?


    For anyone that didn't know you can grab this above Korea version of One UI 3.1 at
    this below link
    Pretty straight forward.
    Use patched Odin 3.13B
    Put your tablet into Download mode
    Select the files shown in the image and flash away.
    Your data will not be wiped.
    installed the latest Android 11 firmware on mY Tab S7 T875. Rooted with magisk. All well. Really like the updated module Theme Park of goodlock labs.
    Since there is no Galaxy Theme Store on Samsung Tablets and substratum doesnt support Android 11

    I have a netflix HD Subscription working well and rooted with magisk and Widevine remains L1
    @rjohnstone, so just normal odin flash with home CSC korean, but key is to use modded odin?
    Will not go with standard odin?
    Today i have download theThaïland Firmware for the SM-T976B (NOT N), downloaded Odin (not patch), And flash my S7+ 976B. I still conserve my XEF CSC, so this is good, all is OK
    T970 is out. Running nice

    Where are you getting the T970 version at?
    Do you have a link to the US version One UI 3.1 ???