Sometimes the app data becomes corrupted during a webOS update.

IPTV Smarters Pro is an older app framework that sometimes struggles with secure handshakes.

Verdict

How to Fix "Authorization Failed for Above Host" on IPTV Smarters Pro (LG TV)

: On LG's webOS, cached data or an outdated version from the LG Content Store can lead to recurring login failures. Step-by-Step Fixes for LG TV

Before calling your IPTV provider, run this:

. This is different from turning it off with the remote; it clears the system's temporary memory and refreshes the network handshake. Clear App Cache & Data Navigate to your TV's Settings > All Settings > General > Apps IPTV Smarters Pro , select it, and choose Clear Cache Clear Data

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Understanding the "Authorization Failed for Above Host" Error