Invalid password issues with WiFi after firmware upgrade to 1.2.8 20190403 Dec M5 Hardware 1.0

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Invalid password issues with WiFi after firmware upgrade to 1.2.8 20190403 Dec M5 Hardware 1.0

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
22 Reply
Re:Invalid password issues with WiFi after firmware upgrade to 1.2.8 20190403 Dec M5 Hardware 1.0
2019-05-29 16:14:42

@Bruno-P 

 

Customers that were on 1.2.8 had a beta firmware they could update to in order to resolve that. But if you still see that on 1.3.0, get back in touch with our support team at that point.

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#12
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Re:Re:Invalid password issues with WiFi after firmware upgrade to 1.2.8 20190403 Dec M5 Hardware 1.0
2019-06-08 00:32:48
I am having an invalid password with when trying to connect my Foscam camera. 100000% sure the PW is correct but it never connects. Already turned off 5G to ensure it's only seeing 2.4. Was able to connect to the guest wifi without a password, but it will not connect the the main wifi with a PW.
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#13
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Re:Invalid password issues with WiFi after firmware upgrade to 1.2.8 20190403 Dec M5 Hardware 1.0
2019-07-02 18:17:06

This issue seems to still exist on 1.3.0. Is anyone else still having the same problem?

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#14
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Re:Invalid password issues with WiFi after firmware upgrade to 1.2.8 20190403 Dec M5 Hardware 1.0
2019-09-25 22:13:16

Same for me with M9plus.

At least 3 devices can't connect.

 

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#15
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Re:Invalid password issues with WiFi after firmware upgrade to 1.2.8 20190403 Dec M5 Hardware 1.0
2020-01-19 04:53:00

@Bruno-P same issue here, Just install my deck M5 w/ firmware version 1.3.14 build 20191109 Rel. 66552. all my devices cannot connect to mesh w/ the password and its working w/ the guest wifi w/o the password. if I enable PW on guest wifi it won't connect as well. even on the phone that I use to setup the device if I forget the network and try to connect to the mesh wifi manually it won't connect. It will only connect when I reset the all 3 M5 deco and run the setup again. 

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#16
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Re:Invalid password issues with WiFi after firmware upgrade to 1.2.8 20190403 Dec M5 Hardware 1.0
2020-04-10 07:20:57

@Tony I set up the network with my android phone which connects easily but the laptops and partners iPhone cannot.

Have tried rebooting all devices including Deco M4 to no avail

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#17
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Re:Invalid password issues with WiFi after firmware upgrade to 1.2.8 20190403 Dec M5 Hardware 1.0
2020-04-10 12:35:43

@Mount-St 

Make sure rouming is off

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#18
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Re:Invalid password issues with WiFi after firmware upgrade to 1.2.8 20190403 Dec M5 Hardware 1.0
2020-08-05 18:05:54

@Tony It's been over a year since this thread was created. I bought my AC2600 less than 2 months ago and I'm still having this issue. I'm puzzled that this hasn't been fixed, especially since people have mentioned it started breaking after a certain firmware update. Hasn't TP-Link had plenty of time to accept warranty exchanges and investigate what's wrong with the faulty units and fix the issue?

 

For me, wi-fi was initially breaking once a day in the evening. Now it's happening multiple times a day, any time. This is an especially frustrating time for this to be happening, since so many of us are working from home and totally dependent on wi-fi.

 

Can you recommend a fix? I noticed the router settings have the option to upload a different firmware version -- is there an older firmware version I can download, from before this issue was introduced?

 

Thanks for you help.

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#19
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Re:Invalid password issues with WiFi after firmware upgrade to 1.2.8 20190403 Dec M5 Hardware 1.0
2020-08-09 21:08:22

@Bruno-P good afternoon , just installed S4 today and also have issues with wifi password. Was able to do it on one device but unabl to do it on any other device. 

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#20
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Re:Invalid password issues with WiFi after firmware upgrade to 1.2.8 20190403 Dec M5 Hardware 1.0
2020-09-22 00:52:11

@Bruno-P  This company doesn't support special characters. Spoke to Support over chat they stated:

"Yes the deco supports that but usually smart device can't connect to Mesh with a special character password"

 

Special Character Passwords aren't supported. 

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#21
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