Galaxy S2 I9100
Install Android 4.2.2 Jelly Bean on Galaxy S2 I9100 via ParanoidAndroid 3.5 ROM .

The Galaxy S2 I9100 recently received an updated version of the most popular hybrid ROM, ParanoidAndroid v3.6, which brings a plethora of bug-fixes and feature enhancements to deliver a unique Android experience. The ROM offers the latest Android 4.2.2 (Jelly Bean) features with hybrid user-interface (UI) support (toggle between tablet and smartphone UI).

Check out the screenshot below to enjoy a glimpse at the colourful look and feel of this amazing hybrid ROM:

Galaxy S2 I9100
Install Android 4.2.2 Jelly Bean on Galaxy S2 I9100 via ParanoidAndroid 3.5 ROM .

Paranoid Android 3.6 ROM offers the following key features on its new Hybrid UI engine: Per app Layout (switch individual apps between phone and tablet layouts), Per app Size (scale apps individually) and Per app Colour (select statusbar and navbar colours for apps individually).

Here is the list of bug-fixes and feature enhancements added into the ROM to eliminate known issues found in the previous build:

Galaxy S2 I9100
Install Android 4.2.2 Jelly Bean on Galaxy S2 I9100 via ParanoidAndroid 3.5 ROM .
  • CM camera, video recording fixed
  • Bring back on screen clear recents button
  • OTA updates from
  • Launcher2 replaced with Trebuchet
  • I9100 specific gapps package to avoid Gallery2 being overwritten

NOTE: The instructions provided in this guide are meant for reference purpose only. IBTimes UK reminds its readers that it will not be held liable if the device is damaged or bricked during or after firmware installation. Users are advised to proceed at their own risk.


  • Paranoid Android 3.6 ROM and the instructions provided in this guide are applicable to the international variant - Galaxy S2 I9100 model only. Do not attempt these instructions on any other device, as it may inadvertently brick or damage the device. Verify the device's model number by navigating to Settings > About Phone.
  • Back up important data and settings on the phone by using one of the recommended custom recovery tools such as ClockworkMod (CWM) or TWRP, as it creates a complete image of the existing phone setup.
  • Ensure the device has at least 80 percent battery charge to prevent unexpected device shutdown (due to battery drain) during firmware installation.
  • Make sure that your phone is factory unlocked and rooted with CWM recovery installed on it.
  • Enable USB Debugging mode by navigating to Settings > Developer Options (if phone is running Android 4.0 or later) or go to Settings > Applications > Development (if running Android 2.3 or earlier). If the device is running Android 4.2, then perform the following steps:
    • Go to Settings > About Phone
    • Scroll down to the bottom of the screen and select Build Number
    • Tap Build number seven times to unlock orreveal hidden Developer Options. Now, select the checkbox to enable USB Debugging mode under Settings > Developer Options.

How to Install Android 4.2.2 Jelly Bean on Galaxy S2 I9100 via ParanoidAndroid 3.6 ROM

  • Download Android 4.2.2 Jelly Bean based Paranoid Android 3.6 ROM and Google Apps package on the computer.
  • Connect the phone to computer with original USB cable and copy the downloaded Paranoid Android ROM and Google Apps zip files to the root folder on the phone's SD card.
  • Power off the phone and boot it into Recovery mode. To do so, press and hold Volume Up and Home buttons together and then simultaneously tap the Power button until the green robot icon with a triangle appears on the screen. This confirms entry into Recovery mode.
    • Before flashing the new ROM do the following steps in CWM recovery:
      > wipe data/factory reset
      > wipe cache
      > go to "advanced" and perform wipe dalvik cache
      > go to "mounts and storage" and format system
  • In CWM recovery, click Install Zip from SD card and select the ROM zip file copied earlier to the phone's SD card (repeat this step) for installing Google Apps as well). After selecting the ROM file, allow the ROM to be installed on the device. This process may take about four to five minutes to complete.
  • After the device is updated, hit Reboot System Now to reboot the phone into the newly installed ROM.
  • Paranoid Android 3.5 ROM is now successfully installed on your Galaxy S2 I9100. Go to Settings > About Phone to check the firmware version installed.

NOTE: If the device fails to boot or freezes at home screen then remove the battery and reinsert it to boot the device again in normal mode.

[Source: XDA Developers]