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Sometimes the app data becomes corrupted during a webOS update.
Delete the IPTV Smarters Pro app from your LG Content Store home screen. Turn the TV off and back on. Re-download the app from the LG Content Store. Re-enter your details. 5. Check for VPN Interference
Plug them back in and allow the internet to fully reconnect before launching the app. 3. Change Your DNS Settings on LG TV
The most common "hidden" cause is an expired account.
Ensure the URL starts with http:// or https:// exactly as provided.
Try the "Login with M3U List" method if the "API/Xtream Codes" method fails.