Tuya Developer Forum

I just received a new SMG-8112 and upon initial activation everything went smoothly, connected to Wi-Fi and I was able to control the unit with my phone etc. It then prompted me to install firmware update. I initialized the update and sometime later i got a message saying that the update had failed. Once I was able to get out of this page the unit was no longer connected to Wi-Fi and I had lost all control except for physical remotes. I attempted to reset the unit and reconnect it to the Wi-Fi but to no avail. I either get a message that it is unable to be added, or it is unable to connect to Wi-Fi. I have tried many times and many resets, but it is still giving me the same errors.

Please help, unfortunate waste of money if i can't get this working

hi, could you please provide your app account and device virtual ID？

my app account is mmemalaysia / and I am not sure what you mean by device ID....but this is what is on the sticker
Model:CB3S
P/N 2-433
S/N SCB3S-010400731

JamesG 2026年 Jul 10日 11:40

hi, could you please provide your app account and device virtual ID？

my app account is mmemalaysia / and I am not sure what you mean by device ID....but this is what is on the sticker
Model:CB3S
P/N 2-433
S/N SCB3S-010400731

oh，Please remove the passwords; we only need your app accounts. The device virtual ID can be viewed by tapping the icon in the upper-right corner of the device panel in tuya app.

JamesG 2026年 Jul 10日 15:26

oh，Please remove the passwords; we only need your app accounts. The device virtual ID can be viewed by tapping the icon in the upper-right corner of the device panel in tuya app.

Apologies, my app account is ken.mcmillan63@gmail.com and as i said in the OP , I am not able to add the unit to the app anymore therefore the virtual ID is not there.

The errors I get are ...."failed to add the device"...or "Failed to connect to modem"

If you have the virtual IDs of any other devices, please provide them as well. We need these to identify the data center your service is connected to.

JamesG 2026年 Jul 10日 15:50

If you have the virtual IDs of any other devices, please provide them as well. We need these to identify the data center your service is connected to.

Sorry, no other devices

Please provide the following information:

1. What is the name of your app?
2. Which country did you register in?
3. Approximately when did the issue you described occur?

JamesG 2026年 Jul 10日 16:40

Please provide the following information:

1. What is the name of your app?
2. Which country did you register in?
3. Approximately when did the issue you described occur?

Tuya app
Registered in Malaysia
First started 2 days ago