Root Galaxy S2 with Android 2.3.XX?
120832
Rooting Stock Firmware - GSII with NFC
73168
Galaxy S not detected, how do I make it work?
114040
Difference between installing SuperSU using Play Store versus a custom recovery that installs it from a file?
121538
Pros and cons of rooting using apps ("Soft Root") compared to other methods ("Hard Root")
42947
This Android SDK requires Android Developer Toolkit version 23.0.0 or above
117568
How can I check the system version of Android?
44006
Would Android apps be able to run in Ubuntu touch natively?
44483
Downloading and installing WhatsApp for Android 2.2.1 Froyo
72031
Can every Android device be updated to the most recent Android version?
100396
Downgrade android version from higher to lower?
72997
Does rooting erase anything?
115687
How do I properly install a system app given its .apk?
113923
How can I use Samsung Apps in CyanogenMod 11?
7521
Revert Android Update 4.0 to 3.0/3.2
97700
ANDROID: How to gain root access in an Android application?
16085
Is there an official Android "Google" ROM?
1659
What hardware does Ubuntu Touch support?