Only for W1-U00. It's easy to find v5310 ROM, for example, this Russian one: https://docs.google.com/file/d/0B7skmvAgEg6kcFAtd3ZqU0hfM28/edit
and then flash it by using the tutorial:
http://forums.windowscentral.com/hu...ose-who-get-their-w1-market-locked-china.html

C00 is still under test, need older ROM than v5410
and then flash it by using the tutorial:
http://forums.windowscentral.com/hu...ose-who-get-their-w1-market-locked-china.html

C00 is still under test, need older ROM than v5410
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