Deco M5 cannot connect to specific network after upgrade to 1.6.5 Build 20230110 Rel. 41561

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Deco M5 cannot connect to specific network after upgrade to 1.6.5 Build 20230110 Rel. 41561

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
Deco M5 cannot connect to specific network after upgrade to 1.6.5 Build 20230110 Rel. 41561
Deco M5 cannot connect to specific network after upgrade to 1.6.5 Build 20230110 Rel. 41561
2023-02-23 14:06:38
Model: Deco M5  
Hardware Version: V3
Firmware Version: 1.6.5

After upgrading to 1.6.x I found out that there are some domain I cannot get in, e.g. pan.baidu.

I checked the Deco app, and ensure that firewall didn't blocked and no parental control had setup.

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Re:Deco M5 cannot connect to specific network after upgrade to 1.6.5 Build 20230110 Rel. 41561
2023-02-24 06:56:01

  @tamkenrick 

Hi, have you tried to change the WAN DNS to 8.8.8.8.8.8.4.4 to see whether it helped?

How to change DNS server settings on my Deco

Please also try to add https://pan.baidu.com/ under the whitelist of Malicious Content Filter:

What should I do if I cannot open a website through Deco network?

 

Wait for your reply.

Best regards.

 

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Re:Deco M5 cannot connect to specific network after upgrade to 1.6.5 Build 20230110 Rel. 41561
2023-02-24 07:04:50

  @David-TP 

Yes I had tried changed to Google DNS and 1.1.1.1, updated the domain pan.baidu to whitelist but still not successsad. Any chances to rollback the firmware for me to testing?

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Re:Deco M5 cannot connect to specific network after upgrade to 1.6.5 Build 20230110 Rel. 41561
2023-02-24 07:20:09

  @tamkenrick 

Hi, the firmware 1.6.5 could roll back to 1.6.1 via web UI directly:

How to Update the Firmware of Deco (Method 2 via web UI)

Firmware 1.6.1

Best regards.

 

 

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Re:Deco M5 cannot connect to specific network after upgrade to 1.6.5 Build 20230110 Rel. 41561
2023-02-24 11:26:47

  @David-TP 

I tried to downgrade back to 1.6.1 but the problem still exist.

I changed the router for testing and it can connect to baidu com.

Quite sure that is the Deco M5 problem.

I recalled that at 1.5.x my Deco M5 can still connect to baidu com and pan.baidu com

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Re:Deco M5 cannot connect to specific network after upgrade to 1.6.5 Build 20230110 Rel. 41561
2023-02-28 09:33:04

  @tamkenrick 

Thanks for the update.

In this way, could you please send an email to support.forum@tp-link.com with the following information:

1. A picture of the IPV4 settings under Deco APP>More>Internet connection.

2. May I know who is your internet service provider?

3. Would there be any error message when you failed to access these websites?

Wait for your reply.

Best regards.

 

 

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