Alright I have finally managed to debrand my RM-801 thanks to this
video tutorial
What firmware u use to unbrand, i use black v2 RM801_059L820_1600.2487.8107.12070 it's an italian country variant, now this is my first windows phone and i have some question.
1)I had to rename the file into 059M3C1 so the product key it's not change ??
2)I will receive nokia update?
3)Zune see the lumia like a debranded phone, when was tim receive un update of 11501 firmware,now i'm on 12070 and say it's upgrade.
It's all this **** correct or i had to do other little things to receive update.
Sorry i'm new of this OS.
Thanks in advance for the answer...