Hi team

I just buy a new m3s.
I have inserted sim as below.
Sim1= airtel 4g
Sim2= gio 4g

Below is the problem i am facing in bothe the sim
In sim 1 internet get disconneced after some time again and again. I have yo restart my phone to connect with internet. It connect for 5-10 min, then it again disconnect.

In sim 2 showing no service. When selection of network.. It not showing any 3g or 4g network for gio.

Note: both sim was working fine on another phone(coolpad note 3 lite)

Kindly help.