My Harmony® One Advanced Universal Remote appears frozen and only displays "Safe Mode" on the LCD screen – Logitech Support + Download
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Logitech Harmony Elite Enhanced Universal Remote Control for SKY, Apple TV, fireTV, Alexa, Roku, Netflix, Sonos and Smart Home, Easy Set-Up, App and Hub, LG/Samsung/Sony/Hisense/Xbox/PS4 - Black : Amazon.co.uk: Electronics & Photo