Using Blynk and Raspberry Pi to control an 8 port relay

my problem with blynk is it disconnect my raspberry pi from my cellphone after 3 hours !!!! do you have any solution to make the match between my raspberry pi and my cellphone forever ??

what raspberry pi are you using

When I start blynk. one of the relay turns on. Do you know how to solve that?

Hi, I need to control that relay board into my car, how can i use blynk without a router, just RB and my phone ? Thanks

Just wanna check with you whether these relays are good for production use

I am planning for home automation

Coding??