Galaxy S2 Root

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12

Android 5.1.1 ROM for T-Mobile Galaxy S2 SGH-T989! [Validus ROM]

It’s been a quite awhile since my last update on the T-Mobile Galaxy S2, particularly because every Android Lollipop I’ve tried have been very buggy and not recommended as daily driver and also development has slowed down.

But, this week I decided to take the plunge and try out several different ROMs.   To my surprise, I have finally found a good stable Android 5.1.1 custom ROM I can recommend, and thus I am writing this post.

3

Omni ROM for AT&T Galaxy S2! [Android 5.1.1]

I have been extensively testing many Android 5.1.1 ROMs for the AT&T Galaxy S2 SGH-i777 lately.  One of the biggest bugs with Android 5.1.1 ROMs for the SGH-i777 model is the absence of audio when talking on the phone.  This is circumvented on Android 5.1.1 by simply toggling the speaker on and off quickly.   This is sorta annoying for those of you who talk a lot on your phone but if you don’t mind that, you can enjoy all the goodness of Android 5.1.1.

70

CM12.1S ROM for Galaxy S2 GT-i9100! [Android 5.1]

Looking for a good Android 5.1 Lollipop ROM for your Galaxy S2 GT-i9100?

Check out the CM12.1S ROM, which is a hybrid of CM12S ROM from OnePlus One and latest Android 5.1.

This ROM features latest CyanogenMod CM12.1 Android 5.1 features along with OnePlus One camera, AudioFX, Screencast (screen recording app), and Hexo theme. I’ve tried many of the latest CM12.1 and Android 5.1/5.1.1 ROMs in the past week but found this ROM to be most stable with everything working out of the box except Netflix video playback.  Also, if you want to know about all of the latest CM12.1 ROM features, check out this video.

29

CM12 ROM Alpha for Galaxy S2! [Android 5.0 Lollipop]

For those of you wondering where is Android 5.0 Lollipop for Galaxy S2 smartphones, I have some good and bad news.

The good news is that there are working versions of CM12 ROM alpha, which will give you the latest Android 5.0 Lollipop.

The bad news is that these ROMs are still in “alpha” stages, meaning there are many bugs.  However, if you do want to try out the Android 5.0 Lollipop today, you can make a backup ROM, try Lollipop, then restore your previous ROM.

11

Evervolv ROM for T-Mobile Galaxy S2!

For this week’s T-Mobile Galaxy S2 ROM of the Week, check out the latest Evervolv ROM.

Based on latest Android 4.4.4 KitKat, Evervolv ROM brings you the best in class for stability and speed without sacrificing battery life.

If stability, performance, and battery life is important to you, this is the ROM for you.

19

PACMan ROM for Galaxy S2 GT-i9100/SGH-i777!

For this week’s Galaxy S2 ROM of the Week, check out PACMan ROM with Android 4.4.4 KitKat!

Based on latest Android 4.4.4 KitKat CM11, PACMan ROM adds plenty of customization options on top of CM11 including Active Display, PIE Controls, HALO floating notifications, Heads Up Notications, Gesture Anywhere, custom animations, App Bar, and lots more.

13

AOKP ROM + Uber Kernel for T-Mobile Galaxy S2! [Android 4.4.4/2Ghz OC]

For this week’s T-Mobile Galaxy S2 ROM of the Week, check out latest AOKP ROM with Android 4.4.4 along with latest Uber kernel with up to 2Ghz overclocking support. (Updated 9/15/2014)

Although this isn’t official AOKP (as there’s no more official builds for T-Mobile S2), it’s a solid performer and you can expect to get all of latest Android 4.4.4 AOKP features along with full ROM Control.   Add in the latest Uber kernel (and overclock to 1.89Ghz, my recommendations setting, use TricksterMOD App on Play Store) and you have a fast-performing custom ROM with the latest and greatest Android 4.4.4 custom ROM tweaks/features.

30

Ehndroix ROM for Galaxy S2!

For this week’s Galaxy S2 ROM of the Week, check out Ehndroix ROM.

Based on latest Android 4.4.4 CM11, Ehndroix ROM aims to bring you fluid CM11 experience with additional customization features along with custom SMS and Music app.

Inside you will find a fully-customizable SMS app where you will be able to fully tweak the colors and features of your SMS messages such as automatically making your longer SMS into MMS.  For music, you will find a wonderfully-modded music app that’s going to give you better experience when listening to music over regular CM11 ROM.

51

CM11 ROM + OnePlus One Conversion Kit for Galaxy S2!

For those of you looking to try out the new OnePlus One smartphone, did you know you can install CM11 ROM and our HighOnAndroid OnePlus One conversion kit on your Galaxy S2?

This combination essentially turns your Galaxy S2 into OnePlus One, you will get nearly all of OnePlus One software features like OnePlus One lockscreen, Hexo theme, OnePlus One camera, Voice Recording app, and Screencast app (allows you to record voice while recording screen but having some trouble getting working on SGH-T989, works fine on GT-i9100 and SGH-i777).

38

C-ROM for Galaxy S2! [Android 4.4.4/Floating Multi-Window]

For this week’s Galaxy S2 ROM of the Week, check out C-ROM, available for GT-i9100 and AT&T SGH-i777 users.

Based on latest Android 4.4.4, C-ROM brings you the blazing-fast Android 4.4.4 along with endless number of customization options (as shown in video overview).

With C-ROM, you can get two cameras working, the AOSP camera and Google Camera (install from Play Store after installing ROM).  Both work flawless so you should be happy in that department.

8

Wild Kernel for T-Mobile Galaxy S2 SGH-T989!

For this week, check out Wild Kernel for T-Mobile Galaxy S2 SGH-T989.

I know some of you were asking me about the best custom kernel for your Android 4.4.2 custom ROM, well this new Wild Kernel does a pretty good job at that.

Just released 2 days ago, Wild Kernel comes will a voltage table overhaul that have undervolting built-in to improve your battery life to the maximum without compromising peformance. There’s even “deep sleep” idle mode and more CPI frequency steps when your phone is idling.

45

Fusion ROM for Galaxy S2 GT-i9100/SGH-i777!

For this week’s Galaxy S2 GT-i9100 ROM of the Week, check out Fusion ROM.

Based on Samsung TouchWiz Android 4.1.2 firmware, Fusion ROM is another custom ROM similar to WizzedKat ROM that brings you S5 features onto your Galaxy S2.

You will find many S5 features including S5 UI, S5 UI sounds, S5 icons, S5 boot animation, S5 AccuWeather widget, S5 toggles, and more.

34

Resurrection Remix ROM v5.1.1 for Galaxy S2! [GT-i9100/SGH-i777]

For this week’s Galaxy S2 GT-i9100 and SGH-i777 ROM of the Week, check out the latest version 5.1.1 of Resurrection Remix ROM.

Based on Android 4.4.2 KitKat, Resurrection Remix ROM brings you great performance along with stability you can rely on. I was actually trying many other AOSP ROMs this week but have had trouble either installing or fixing bugs so I checked out the latest version of Resurrection Remix ROM.

72

HellKat KitKat ROM for T-Mobile Galaxy S2 SGH-T989!

For this week’s T-Mobile Galaxy S2 SGH-T989 ROM of the week, check out latest version of HellKat ROM.

Based on CM11 (CyanogenMod), HellKat brings you a beautifully themed-out “Holo Red” theme (enable theme by enabling “Dark HellKat” in Settings) along with a good amount of customization, that will give you a pure CyanogenMod experience along with many extras.

90

How to Install Android KitKat/Lollipop ROM on Galaxy S2! [GT-i9100/SGH-i777]

For those of you who want to install Android KitKat or Lollipop custom ROMs on your Galaxy S2 GT-i9100 or SGH-i777 (AT&T S2), you must be using latest CWM Recovery v6.0.4.3 or higher.

This method is also same for CM11, CM12, and CM12.1 custom ROMs.

Now since recovery is an integral part of kernel on the Galaxy S2 GT-i9100 and SGH-i777, you will have to flash a kernel with the latest CWM recovery v6.0.4.3 or higher.  The easy work-around this is to install any of latest CM10.2 ROMs then simply reboot into recovery after installing CM10.2, which will give you the latest CWM recovery since CM10.2 comes with it.

97

Jedi Mind Trick ROM V8 for T-Mobile Galaxy S2!

For this week’s T-Mobile Galaxy S2 ROM of the week, check out latest version 7 of Jedi Mind Trick ROM.

For those of you who are running previous versions, the major change on the latest version is the kernel. It now ships with Jedi Kernel Z, which supports CPU overclocking up to 1.944Ghz and also GPU overclocking to 320Mhz (by default), along with cool stuff like BLN support, LZMA compression, and ability to “hotplug” CPU cores so you save more battery life when your phone is idling. Also, all apps have been update to the latest versions such as LMT Pie Launcher, Xposed Framework, etc…etc…

17

Alliance ROM V9 for Galaxy S2! [GT-i9100/SGH-i777]

For this week’s ROM of the week, check out latest Alliance ROM V9 for your Galaxy S2 GT-i9100 or SGH-i777.

Alliance ROM V9 now ships with an updated Alliance ROM Custom Settings that will allow you to fully customize almost every single color on your phone in real-time.  Also you now get 11 lockscreen options including the ability to customize some of them including change background image and extra options.   And for those of you new to this ROM, don’t forget to enable the lockscreen torch and music skip buttons, certainly a necessity for custom ROMers.

83

Biftor ROM V12 for Galaxy S2! [GT-i9100/SGH-i777]

Probably one of my favorite custom ROMs all-time, Biftor has now released V12 of his Biftor ROM for Galaxy S2 GT-i9100 and SGH-i777 users.

Packing Android 4.1.2 TouchWiz-based along with Jeboo kernel (that’s super fast), latest Biftor ROM is faster than ever, all the while bring you perfected Biftor ROM Control so you can control every detail of your Galaxy S2 down to the colors of your text on the status bar.

209

How to Root Galaxy S2 GT-i9100 Jelly Bean Android 4.1.1/4.1.2!

For those of you who want to root your Galaxy S2 GT-i9100 on Jelly Bean Android 4.1.1 or Android 4.1.2, here’s how to do it easily using a custom kernel.

This rooting process is pretty safe to do, does not erase anything on your phone, it just installs a custom kernel (which comes with a custom recovery) and we root the phone using SU binary and Superuser app.  That’s it! Step 1. Turn your Galaxy S2 GT-i9100 off.  Then hold down Volume Down, Center Home, and Power buttons together for about 3 seconds until you see the warning screen.

367

How to Root Galaxy S2!

If you want to take the most out of your Samsung Galaxy S2 smartphone, you will surely want to root it as you can get cool things like free wifi tethering, overclocking your phone’s CPU, make complete backup of your ROMs and more.

For Mac OSX, you can use Heimdall instead of ODIN, please see How to Use Heimdall for OSX Video.