Wi-Fi & connectivity

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TCL TV not connecting to WiFi (incorrect password)

My TCL TV has suddenly stopped connecting to the Wifi. It will start to connect and then say the password is incorrect. This has been going on for a few days now. So far I have tried:

  • Forget the network and sign back in
  • System reset
  • Turning power off for 12 hours 
  • Leaving (currently on day 3 with no change)
  • Checked Wifi and password on other devices
  • Manually entering IP details

None of this has made any difference. Please help! 

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Community Streaming Expert

Re: TCL TV not connecting to WiFi (incorrect password)


The only thing I can think of is a recent problem created by some internet services updating the settings on their provided router equipment.  This has been reported recently with Xfinity and Cox, but there may be others. 

This update changed the wifi security setting in the router from b/g/n to g/n.  For affected users this resulted in failure to connect.  I've not heard of this being reported as a password error, but I suppose different routers might respond with different error messages.  I also don't recall having seen this reported for Roku TVs, only separate Roku devices.

I fear this may be a long shot, but if this indeed is the problem the solution is to change the router's security setting back to b/g/n.  If you don't have access to your provider-supplied router's configuration you may have to request your provider do this for you.

Roku Community Streaming Expert
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Streaming Stick 4K+ 3821 | Streaming Stick+ 3810 | TCL Roku TV 43S245/C107X
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