Yes, I think so. If this firmware has significant improvemets, then we have read over it on web, but i have search informations over it and i can't find nothing...
But normally backup and the update works, without any problems or risk, to brick the device.
WP7 is'nt android
Ps. It's my 3000st post here on xda
today's attempt to
First restore backup / mi7ROM_V1c /
Second update / update i8700xxlb2_fw 12.12.2 For Each mi7ROM /
Third MAGDLR reinstall / MAGDLDR_2.00 /
magdlr change the bootloader
I'm running Windows 7 64-bits. I had a message which say that updateWP has not the same version as Zune. So I download lastest updateWP (2345) and retry.
Backup is in progress. I will tell you when it's done
PS: Sorry for my English... If you don't understand, say it to me, I will explain with another way
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