crwdns2933897:0crwdne2933897:0

Network problem: no signal

After I flashed custom ROM in lenevo s850, I lost my Serial number and imei and I recovered my original imei but still there is no signal and serial number.

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2853045:0crwdne2853045:0 crwdns2853046:0crwdne2853046:0
crwdns2889612:0crwdne2889612:0 3

crwdns2947414:01crwdne2947414:0:

lenovo a2020a40 no service after flashing

crwdns2957956:0crwdnd2957956:0crwdne2957956:0

crwdns2934285:0crwdne2934285:0