Thursday, May 10, 2012

Dual Booting with your Galaxy S2 (SC-02C)

If you have followed my previous guide on installing Ice Cream Sandwich on your SC-02C, you may have noticed that one of the features the kernel has is the ability to dual boot your phone.

You might ask "why would I want to do this?", this is a great option if you want to use two different ROM's like CynaogenMOD9 and a Samsung based one or maybe a MIUI ROM. This is also a great option if you just want to test out a different ROM without needing to do a full backup wipe and restore every time you want to switch between ROMs.

Here is an example of how it works on my phone (sorry for the video quality, also I figured the music was better to listen to than the ambient noise)

Before you continue please check this FAQ for information and supported ROM's
to enable this feature:

  • Reboot into recovery
  • select "mounts and storage"
  • format /secondrom_cache
  • format /secondrom_data (this may take up to 10 min so just wait)
  • format /second_rom_system
  • go back
  • dual boot options
  • install ZIP to 2ndROM from (where your ZIP file is for the ROM)
  • reboot
  • when prompted select volume up for the primary ROM and volume down for the secondary ROM
There are a lot more options in these menu's please see the kernel thread for more information and support related questions. 

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