In case you were unaware, Nexus and Google Play Edition devices need to be rebooted after you unlock the bootloader. According to Android Police, changes have been made to the unlocking process and not rebooting would send your device into an infinite reboot into recovery. On the Nexus 4, Nexus 5, Nexus 7 (2013), LG G Pad 8.3 GPE, and Sony Xperia Z Ultra GPE, the bootloader is not wiping the device clean as it once did. Users should be rebooting prior to installing a custom recovery.
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