note 3 n9005 signal problem???????please help urgently

i have major problem that after installing phronesis rom 6.0.1 in boot animaion it gets struck and get heated then i immediately change to norma rom 5.1.1 v29 rom after that my carrier signal goes to noservice or emergency calls only in home also when i call or use ussd codes it says not registered on network but when i go outside it works good...can someone please help me i am very worried about my phone
note: i change it to another carrier sim but problem still remains....