Originally Posted by sadeg111 View Post
i am back to stock CID now triying to make update
variant system version error is caused by MID not matching the ota. So you will have to change your MID to match the version you are on.
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Useful links for the HTC One:
nkk71's SuperGUIDE to returning 100% back to stock
Flashing requirements chart by nkk71
HTC1Guru.com by crushalot