Anyone on the gt-i9300 (international s3) (the one with the broken update) considering rolling back using Odin but worried about losing their EFS/IMEI, as far as i know, EFS cant be backed up without rooting the phone so dont do that as it voids warranty.
Using Odin to flash older firmware doesnt void warranty though so if you DO lose EFS, just take it to the shop and let them fix it.
P.s. has anyone tried taking their phone back to the shop and asking/telling them to restore WORKING firmware on their phone?
I think I read somewhere that Car Phone Warehouse will do it but it costs something like
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