R220 No Service

[rishu]

hello experts

i have a R220 its show allways NO SERVICE on the screen
in manual search it doesn't show any netwok.

i do a lot of search in the fourm for relating problem and get some post relating that but i cant get the right solution for my problem

i can change the antina, PA, filter below the extenal antina, but do not get the solution of my problem

experts pls solve my problem

[scsarcar]

1- check or change charging connector
2- full flash the phone with ust pro 2

good luck

post result