Variants of Samsung Galaxy S II
GT-I9100 Unlocked International version
GT-I9100G
GT-I9100T Australia
GT-I9100P Europe
SHW-M250 K/L/S South Korea
SGH-T989 T-Mobile U.SS
SGH-I777 AT&T
SGH-I727 AT&T Skyrocket
SGH-I927 AT&T Glide
SPH-D710 Sprint U.S.
SCH-R760 US Cellular
GT-I9108 China Mobile
The Android version of Samsung Galaxy S II goes from 2.3.3 to 4.1.2. They are all well supported by Kingo Android Root. And here comes the guide on how to root it in one-click.
Preparations:
1. Free download Kingo Android Root: http://www.kingoapp.com/android-root/download.htm
2. Install it on your computer.
3. Internet connection is required.
4. Device powered ON, 50% battery level at least.
5. Use the original USB Cable to ensure stable connection.
Step 1: Double click the desktop icon of Kingo Android Root to run it.
Below is the interface of Kingo, with no device connected.
Step 2: Enable USB Debugging mode on your Galaxy S II.
Go to "Settings", scroll down to the bottom and find "About Phone", scroll down to the bottom again and find "Build number", tap it for 7 times to become a developer.
Then go back to "Settings" and find "Developer Options", enter into the menu and enable "USB Debugging".
Step 3: Connect your device to your computer via USB Cable.
After you connect it to your computer, there will be a pop-up window on your device screen that ask you to allow usb debugging from computer. Make sure you tick "always" and click OK
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