Received the KitKat upgrade and attempted to install. Phone was at 90+ on battery and I had the phone plugged in during the upgrade. After the install the phone rebooted into the opening screen... stopping at the M logo. It has been sitting like this (with the M logo) for just over 3 hours now. I have attempted to hold the power button down but nothing happens, nor does plugging and unplugging the phone. Any suggestions?
hold the down volume and the power button at the same time to force a re-boot.
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