I installed a ROM meant for Galaxy S3 on my Galaxy S2 phone by mistake and now the phone won't boot.

I can get into Download Mode fine but I can't get to Recovery Mode because the ROM installed a S3 specific recovery as well.

How do I fix it?

1 Answer 1


Go to Download Mode and flash Galaxy S2 firmware/recovery using heimdall or Odin (over USB). There's no other way.

  • heimdall is IMHO the better way to do this, it's also available for Mac, Win, Linux (github or original project site)
    – ce4
    Sep 13, 2012 at 18:13

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