Clearing the cache

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Sometimes you need to clear the cache, for example when an OTA update hangs instead of rebooting.

Shut down your phone by holding Power and tapping Power Off
Wait for the phone to vibrate once
Hold down Volume Up then Power until you see Recovery <<==
If the arrow does not point at Recovery press Volume Up until it does
Press Volume Down and wait a few seconds
When you see No command, hold Power and Volume Up until you see the menu shown
Choose Wipe cache partition using Volume Up/Down then Power
Choose Reboot system now using Volume Up/Down then Power