[GR] Marshmallow update for e2303 in greece

Hello, i have the e2303 8gb single sim model of m4 aqua..i live in greece,and the device is bought from an tech store..so it doesnt have a carrier nor bloatware..in xperifirm i can see the vf gr marshmallow ftf but not the customized..has anybody received the update through OTA or xperia companion?? i dont know how to flash anything so please link me a guide in case i get bored waiting.. thx very much! :D :D

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