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LG Smart TV 43UJ632T-TA Hangs/Unresponsive/Won't connect to WiFi after updating to 06.00.15


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Hello,

The WiFi would abruptly disconnect and the smart TV becomes extremely slow when navigating to the settings and becomes almost unresponsive. Unplugged, waited overnight and restarted, the WiFi connected for a minute or so, and again the same issue. The mouse cursor would disappear after few seconds and navigation only possible with the up/down/right/left key. WiFi list is empty and the TV keeps "searching..", even if it lists my WiFi, after entering the password (takes a very long time) it gives a message "Cannot connect to the network, retry" 

Tried the following options and no luck, can anybody help??

- Unplug the TV, WiFi router and restart

- Set the date and time manually in the TV

- Turn off Quick Start

- Selected appropriate country in location

- Firmware updated (No more updates found) 

TV model: 43UJ632T-TA, Software Version: 06:00:15, webOS Version: 43UJ632T-TA

WiFi is 5 GHz with more than 120 mbps connection, couple of other devices connected without issues.

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