HTC One Sim Unlocked not updating to 4.2.2
I bought a SIM unlocked HTC One recently and I know 4.2.2 has been rolled out for the device. I have been trying to update through the usual path within the settings menu but the device is telling me that there is no update available.
Would any of you guys know any reason why I can't update OTA? The phone was sold as a factory unlocked one so I would assume OTA updates should be fine.
I love this phone but if I also got used to 4.2.2 on my previous device and I need it on this one too. Also I really can't stand the three dots/black bar menu of doom.
Thanks in advance,