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[Q] Update Asia XT910 from 4.0.4 to Vodafone.EU 4.1.2

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Question [Q] Update Asia XT910 from 4.0.4 to Vodafone.EU 4.1.2

Hello Everyone,
I'm Noob with RAZR stuff...

i was going through this thread from HSD_Pilot (
I currently have stock ICS 4.0.4 on AsiaRetail version.
I have no root or anything.

Can i directly use RSD to flash the 4.0.4 Vodafone.EU on my device and update to 4.1.2 Vodafone.EU by following the guide ?
I dont need root, so is it mandatory to root or not ?
If yes, do i have to root 4.0.4 Vodafone.EU and then update ? or Root AsiaRetail 4.0.4 then flash Vodafone.EU 4.0.4 and the upgrade to 4.1.2 with the guide and keep root ?
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no Root is Ok to flash from RSD Lite. but for now, i suggest you to take the alternative BMM path ( , because the ROM is a leak and not officially released yet. so better for you to try things out and go back later. with the pure OTA update, your CDT wil be updated and so you can't go back to ICS if any issue appears. with BMM however, the exact content is there minus the CDT update script so it is easier to flash back to ICS.
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