Apps and 4g not working after root

[javeed murghar]

Aslam u alikum members and experts.
.
Meny oppo a37fw ko root Kiya tha.
Root hony k bad usmein 4g Kam nhi(4g ka icon show ho raha )Kar raha srf 1mbps speed aa rahi hai or Jazz world ki app bhi nhi chal raha.
.
So please help me .

[pak pbc]

unroot ker do

- - - Updated - - -

unroot ker do

[Raoof656]

Magisk download kr lo playstore sy , ar os mn ja k jazzworld app ko hide kr do chal jay gi.

[SJS.]

bhai ap unroot kar k check karen ager sahi chal raha hai to root na karen aise hi use karen