How To Guide [AOSP][GSI][12] GSI Guide + Fixes for S21 Series (Exynos)

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Haridhayal

Senior Member
68747470733a2f2f692e696d6775722e636f6d2f634a4a307a78512e706e67


This is a guide for flashing GSI on the S21 Ultra (exynos) and the fixes needed. Bug list is also available.
Guide, Fixes & Bug list

Screenshots
LineageOS 19.0 GSI

I dont have time to check all the xda threads for S21/Plus/Ultra. I 'd recommend joining the telegram group.

Kernel Source for kernel used in this guide
Kernel Source

{Post edited and moved. Please refer to here}
 
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jericho246

Senior Member
Dec 19, 2015
522
279
Samsung Galaxy S21 Ultra
Good work! I tried PE GSI on my S21U Exynos a while ago but it was stuck in 48hz so the experience was not smooth at all and I reverted to One UI stock ROM. 60hz is acceptable.

Which GSI would you say has the best battery life? LineageOS, Pixel Experience or Phh AOSP? Or are they all pretty much the same in this aspect?
 

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    68747470733a2f2f692e696d6775722e636f6d2f634a4a307a78512e706e67


    This is a guide for flashing GSI on the S21 Ultra (exynos) and the fixes needed. Bug list is also available.
    Guide, Fixes & Bug list

    Screenshots
    LineageOS 19.0 GSI

    I dont have time to check all the xda threads for S21/Plus/Ultra. I 'd recommend joining the telegram group.

    Kernel Source for kernel used in this guide
    Kernel Source

    {Post edited and moved. Please refer to here}