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Install Android Marshmallow 6.0.1 on Galaxy S2 GT-I9100 [Official] - YouTube
CyanogenMod 11 Official for Galaxy S2 (i9100)(CM11)(KitKat) - YouTube
Android 9 Pie
![ROM][UNOFFICIAL][9.0.0][r46][I9100] LineageOS 16.0 | Page 27 | XDA Forums](https://forum.xda-developers.com/proxy.php?image=https%3A%2F%2Fi.ibb.co%2F6D3j6TG%2F20190625-010843.jpg&hash=ff4d60d946e1288e6ef8554b6a3263cd "ROM][UNOFFICIAL][9.0.0][r46][I9100] LineageOS 16.0 | Page 27 | XDA Forums")
ROM][UNOFFICIAL][9.0.0][r46][I9100] LineageOS 16.0 | Page 27 | XDA Forums
Install Stock Android 4.1.2 JB Based Alliance ROM on Samsung Galaxy S2 ( I9100) - DroidViews
How to Update Stock Android 12.1 in SAMSUNG GALAXY S2(Lineage OS 19.1) Custom Rom Install and Review - YouTube
Best Samsung Galaxy S2 Custom ROMs GT 9100 - DroidViews
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ROM][i9100][OMS][7.1.2][OFFICIAL]crDroid Android[13/07/2017] | XDA Forums
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Root Samsung Galaxy S II i9100 On Android 4.0.3 ICS [How-To] | Redmond Pie
Official Samsung firmware GT-I9100T - Sfirmware.com
![Android 6.0.1 Marshmallow on Galaxy S2 [Stable] - YouTube](https://i.ytimg.com/vi/l8jFWwaIsXA/hqdefault.jpg "Android 6.0.1 Marshmallow on Galaxy S2 [Stable] - YouTube")
Android 6.0.1 Marshmallow on Galaxy S2 [Stable] - YouTube
Official Samsung Galaxy J3 2016 SM-J320G DS Stock Rom
How to Update Android 11 in Samsung Galaxy Tab S2(Lineage OS 18.1) Custom Rom Install and Review - YouTube
Download Galaxy S2 Marshmallow Update: CM13 and other ROMS
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Samsung Galaxy S2 I9100 BeanStalk 4.4.x [OFFICIAL] [KitKat] - Galaxy S2 - Custom Roms
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Root Samsung Galaxy S II i9100 On Android 4.0.3 ICS [How-To] | Redmond Pie
Samsung I9100 Galaxy S II - User opinions and reviews - page 3
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Samsung Galaxy S2 i9100 LineageOS 15.1 Android 8.1 Oreo [Update + Mostly Stable] - YouTube
Poco F1, Mi A2, OnePlus 6, & more get Android 11 via custom ROMs
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Samsung Galaxy S2 i9100 LineageOS 16.0 ROM [Android 9.0 Pie] - YouTube
Update Samsung Galaxy S2 GT-I9100 to Android 4.4.2 KitKat with SlimKAT ROM
Paranoid Android based on Android 4.4 KitKat Update for Samsung Galaxy S2 GT-I9100
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Best ROMs for Samsung Galaxy S2 GT-I9100 [2013 Edition] | DroidViews
![Best ROMs for Samsung Galaxy S2 GT-I9100 [2013 Edition] | DroidViews](https://www.droidviews.com/wp-content/uploads/2013/03/Omega-ROM-galaxy-s2.jpg "Best ROMs for Samsung Galaxy S2 GT-I9100 [2013 Edition] | DroidViews")
Best ROMs for Samsung Galaxy S2 GT-I9100 [2013 Edition] | DroidViews
![Best ROMs for Samsung Galaxy S2 GT-I9100 [2013 Edition] | DroidViews](https://www.droidviews.com/wp-content/uploads/2013/03/Pure-AOSP-JB-Style-Theme-for-WanamLite-ROM.jpg "Best ROMs for Samsung Galaxy S2 GT-I9100 [2013 Edition] | DroidViews")
Best ROMs for Samsung Galaxy S2 GT-I9100 [2013 Edition] | DroidViews
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Install And Dual-Boot Custom ROMs On Galaxy S II i9100 With LolBoot [Root Only] | Redmond Pie
Paranoid Android based on Android 4.4 KitKat Update for Samsung Galaxy S2 GT-I9100
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Samsung Galaxy S2 i9100 Pixel Experience GO ROM [Android 9.0 Pie] - YouTube
![ROM][UNOFFICIAL][8.1.0_r36]Slim7/8 [i9100][20181118][Stable][FINAL] | XDA Forums](https://forum.xda-developers.com/proxy.php?image=http%3A%2F%2Fi.imgur.com%2FoCjAl3F.png&hash=fa6e5466067bd0d4acaa0cbcd2040c49 "ROM][UNOFFICIAL][8.1.0_r36]Slim7/8 [i9100][20181118][Stable][FINAL] | XDA Forums")