banner421JELLYBAM - v5.2.0 is a very good custom Rom based on the sources of CM10.1 and AOKP. It works really well on the Galaxy S2 I9100 and it runs on Android 4.2.1, so basically this is one of the ways to get Android 4.2.1 on your Galaxy S2. By installing JELLYBAM - v5.2.0 on your Galaxy S2 I9100 you basically update it to the latest version of Android 4.2.1. This is not the official update method for your Galaxy S2 I9100 thus you should be careful with the procedure. If you want to install JELLYBAM - v5.2.0 today, you can read the pre-requisites and then follow the step-by-step guide for Nume_telefon below.JELLYBAM - v5.2.0 offers many features. Being based on AOKP and CM10.1 it basically contains the same features as them, while also adding the soft touch of JELLYBAM. Among the most interesting features we have custom JellyBam Settings with preferences, JellyBam themes and mods, Google apps included, brava engine libraries, lockscreen with x8 custom app targets, infinite widgets on the screen, mass storage mode, OTA update, Apollo music player, send/receive apk with bluetooth. Besides amazing features the ROM also runs amazingly smooth due to the tweaks and optimizations it has. The JellyBam v5.2.0 is much more complex and has dozens of other features that you can experiment with yourself.Installation Requirements: In order to proceed further with the installation of JELLYBAM - v5.2.0 on your Galaxy S2 I9100, you will need CWM Recovery and root, a Nandroid backup, USB drivers for Galaxy S2 I9100 installed on your computer.Important!! Installing JELLYBAM - v5.2.0 on Galaxy S2 I9100 means you are installing a Custom ROM on your device. Here is a list with the risks involving the installation of custom ROMs on your Galaxy S2 I9100.Required Downloads: For the installation of JELLYBAM - v5.2.0 on your Galaxy S2 I9100, we will use a zip file ( that can be flashed with CWM Recovery. It is recommended that you perform a full wipe before the installation. If anything goes wrong after installing JELLYBAM - v5.2.0, you can return to your previous ROM using the Nandroid you made.How to install JELLYBAM - v5.2.0 based on Android 4.2.1 on Galaxy S2 I9100:
  1. Connect Galaxy S2 I9100 to the computer and move on the Sd card (don't extract)
  2. Disconnect and turn off the device
  3. Boot the Galaxy S2 I9100 in Recovery Mode (Press )
  4. Select Wipe data/factory reset and then Format/system
  5. Select Install zip from sd card and choose from the sd card, then press Install
  6. Wait for the installation on your Galaxy S2 I9100 to finish
  7. Select Wipe Cache partition and Wipe dalvik cache
  8. Reboot
Now you should be running Android 4.2.1 JellyBam 5.2.0 on your Galaxy S2.

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What's my model number?

There are several ways to locate your model number:

Option 1
On your device, go to Settings, then "About device" and scroll down to "Model number"
Option 2
Often times you can view the model number inside the device, by removing the battery
Option 3
Using Samsung's model/serial number location tool

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