No. Meross smart bulb does not support standard in-wall dimmers. You can dim it through the Meross app/Amazon Alexa app/Google Home app/SmartThings app.
Turn off the light switch that controls the bulb, and then turn the light switch on and off 5 times, leaving it in the ON position. Please note that after restoring the factory settings, the smart bulb will clear all custom settings, so you must set it up again.
No. It is the same as you replace a standard light bulb.
You can troubleshoot the following:
·If you paired the device with Home app,please add it again by Meross app.
·Check whether your home Wi-Fi is connected to the internet or not.
·Make sure the password of your home Wi-Fi hasn't been changed.
·Make sure your device is covered by your home Wi-Fi.Moving it closer to Wi-Fi router or install a Wi-Fi range extender would help.
·If all else fails,please factory reset your device and try to add it again.
Please visit https://www.meross.com/support/FAQ/230.html for solution.
You can tap "Don't Have a Code or Can't Scan" and input the setup code manually.
Please make sure your iOS is connecting to the 2.4GHz of your home Wi-Fi and you are having iOS 13 or later. Restart your iOS will help due to some system cache issue.
You can learn more here.