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Invalid WEP key

edited February 27 in Mongoose OS

I am trying to connect to my android phone cellphone. It uses WPA2 PSK. I am using the password "12345678", S7, using Android 8.0, I am getting the following:

Invalid WEP key "12345678"

I would ignore it, but the device is not connecting properly and when it connects, it is not doing so quickly and connecting to MQTT. Anyone know anything that can help? I am using Mongoose OS version 2.10.2 to test this.


  • Also, I am using the ESP8266 and doing a local build.

  • This has to do with the SSID being too short. I was only using a 4 letter SSID, and I just changed it to 9 without any problems.

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