Redmi Note pro network issues.

Nov 10, 2013
Hi all

I bought a Redmi Note pro from ******* and it came preloaded with a multilang rom. I used the unbrick guide and flashed it to factory state. Updated ota to latest.
Network seems to go to no network coverage very very frequently and im missing many calls & whatsapp messages are arriving very late. I tried changing network mode to different ones but this problem persists. If i reboot the phone it takes ages just to get some signal bars and randomly disconnects during the course of thr day. This keeps happening. 6/10 its just one of the sims loosing connectivity and 4/10 both sims loose network.
Please help me rectify this issue and this is brand new phone.