Android 4.1 Jelly Bean for AT&T Samsung Skyrocket: CyanogenMod 10 Alpha Build Now Available

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CyanogenMod (CM 10)10 Alpha Build based on Android 4.1 Jelly Bean for AT&T Samsung Galaxy S2 Skyrocket was developed by XDA developer forum member sk8erwitskil. This brings many new features and smooth interface as well as animations with voice search function. AT&T Skyrocket is running Jelly Bean firmware very well. But the ROM is still in alpha stage and has some bugs like YouTube videos can’t switch to landscape mode, camera not working and more bugs are expected. Developers are trying to mend the ROM and it would take 1-2 weeks for a stable ROM to arrive.

CyanogenMOd 10 Jelly Bean for Samsung Galaxy Skyrocket

Things working with this ROM:

  • Wi-Fi
  • Bluetooth
  • adb
  • data
  • messages
  • busybox and root

Things not working with this ROM:

  • all other things

Compatibility: This tutorial and ROM is only compatible with the AT&T Galaxy S2 Skyrocket SGH-i727 and is not compatible with other US variants of Galaxy S2, other devices or with Epic 4G Touch device. You can confirm your device model number through the path Settings > About phone.

Warning! The method we are discussing here is risky one and you must not attempt it if you don’t have fair knowledge of it. In case, your Samsung device stops responding then neither we nor the developer would be held liable for it.


  1. Just ensure that your Skyrocket is having ClockworkMod (CWM) recovery installed. Also, install touch CWM on it.
  2. This process needs backup of their data such as Bookmarks, Contacts, SMS, Call Logs, APN and MMS settings, etc. This backup process is necessary to save them from wiping.
  3. Just follow the mentioned path ‘Settings > Applications > Development > USB debugging’ on your AT&T Galaxy S2 Skyrocket to enable the USB Debugging option.
  4. May be you don’t want your device to turn off during the process due to silly power issues. So, it is recommended to have a minimum battery life of 70%.
  5. You need to disable the security suites such as anti-virus or firewall from your Skyrocket or Computer to avoid interruption

Process to Install CM10 on Galaxy S2 Skyrocket:

Step 1.     First you need to download the latest ROM version from official developer page.

Step 2.     Then, you need to download the Google Apps package, which will be helpful in installing apps like Gmail, Market, etc.

Step 3.     You also need to download DarkSide Super Wipe zip file, which helps you in wiping necessary partitions on your device before flashing ROM.

Step 4.     Also, you need to download the superuser / root fix package, required for working root access.

Step 5.     After completing all downloads, you need to place then to the root of the SD card.

Step 6.     Switch off your Skyrocket and reboot into ClockworkMod recovery by holding Volume Up + Volume Down button.  While holding them press the Power button. Let go the buttons when your screen turns on.

Step 7.     From the main menu, select ‘install zip from SD card’ and then select ‘choose zip from sdcard’ for browsing into SD card and select file to wipe necessary partition on your device.

Step 8.     Again from recovery menu, select mounts and storage option and then select format cache. Confirm the selection by selecting ‘Yes’ on next screen. Then, return to the main menu.

Step 9.     Again you need to select ‘install zip from SD card’ and then select ‘choose zip from sdcard’. Select the ROM to flash it on your Samsung Skyrocket. On confirming installation by ‘Yes’, the ROM start flashing process.

Step 10.  Once installation of ROM completes, you need to select ‘choose zip from sdcard’ and then select file for installing Google apps package.

Step 11.  Repeat the same process with the replacement of file to flash the root fix package.

Step 12.  After installing all the packages, you need to return to the main menu and select ‘reboot system now’ option to restart the Samsung Galaxy S2 Skyrocket and boot into CyanogenMod 10.

Well! CM10 based on Jelly Bean Android 4.1 Build is now successfully installed on your Samsung Galaxy S2 Skyrocket.

Tip: Best Custom ROM for Samsung Galaxy SII

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