Yeelight LED Ceiling Light 480 disconnect from lan and bluetooth

Hello, I have a Yeelight LED Ceiling Light 480 bought 2 years ago. A week ago, it began to disconnect from lan and bluetooth. It helps only to turn off the power switch and everything works again. Firmware 2.0.2_0048 . Could you take a look. ID 139994083 Reset to factory settings did,

Should I add it to the whitelist!?

I have added your account to the whitelist, please upgrade to the latest version