My mi led desk lamp just won’t connect to my phone. I’ve used Mi home app, Yeelight app and none can detect my lamp, manually detect won’t work too cause there is no access point by the lamp. I’m very frustrated, my smart lamp turned into not-so-smart lamp 
Can somebody help me please…
Was the lamp working before?
Have you installed a firmware update before? I updated the lamp and it stopped working and create hotspot on reset.
I have installed a firmware update before. I also have reset the lamp for a lot of times but it does not work anymore, no hotspot created
You need to check what is in the ESP32 logs.
You will have to disassemble the lamp, and solder the programmer.
You can find instructions on Google.