If you can't connect to the internet or the OTA method fails, a manual update via USB is a reliable alternative.
A: This happens about 5% of the time. Unplug the TV for 5 minutes. If that fails, re-pair the remote: Hold HOME and VOLUME DOWN for 10 seconds. sharp lcue630x firmware update full
Release the power button once a "Software Update" progress bar appears or the center icon starts blinking. If you can't connect to the internet or
If your TV cannot connect to the internet, loops during bootup, or fails the OTA download, a manual USB flashing process forces a clean recovery. Preparation Requirements: Support - Sharp Global loops during bootup