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Swiss 4.1.2 to UK BTU 4.3

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Junior Member - OP
Thanks Meter 0
Posts: 6
Join Date: May 2012
Default Swiss 4.1.2 to UK BTU 4.3

Hi, need some guidance....

I relative of mine has a UK purchased Galaxy S3 (from Vodafone) which has what I believe to be a Swiss version of 4.1.2 on it PDA: MRH, Phone: MJ1, CSC: MJ1 (BTU). The phone has never had any ROM updates.

Kies is advising that a firmware update is not possible, so I would like to put the 4.3 UK BTU ROM on there, are there any particular steps I need to follow to do this via Odin ? I've downloaded the ROM itself and Odin 3.09 but wanted to check if there are any steps I need to take before putting the new ROM on (I'm aware that this will wipe the phone, but I'm not worried about that as everything is backed up that needs to be saved).

Thanks in advance for any advice supplied.
Senior Member
Thanks Meter 4406
Posts: 23,036
Join Date: Oct 2010
Read the faqs and guides backup your EFS and backup any data you want saved .
Flash via Odin following the instructions should be no problem .
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