c310 issue

[atv]

hi after eeprom repair and fullflash signal ok
but every time a change imei to original, or others, signal lost
already factory defaults on soft and phone,
used 3 of the 4 flashes available same result
uart and usb same result
but i was using LGI_1_92SD.exe now im trying with version 1_95SD
any ideas? or tips? cause there are not that many options
ok i used 95SD eeprom flash and after, i changed imeis,
checked the phone imei s, changed ok, (without turning it of after flash and imeis), and signal great, but if i reset it or only turning it on/off, same again no signal?????
network manual auto etc same result

Connecting phone - connect USB cable to phone,
phone must be OFF and without battery ... OK
Opening USB Flash Port (COM21) ... OK
----------------------------------------------------------
Loading primary loader ... OK
Loading secondary loader ... OK
Loading certificate ... OK
----------------------------------------------------------
Reading phone info,please wait ... OK
----------------------------------------------------------
Reading flash ... OK
Saving flash ... OK
Flash saved to file : LG-C310_LGC310AT-00-V10a-MEA-XXX-NOV-30-2010+0_ _eep.crf
======== Process completed ========
Operation time - 0:00:01
Port USB - RS232 by Vygisoft disconnected
Port USB - RS232 by Vygisoft connected
----------------------------------------------------------
Reading IMEI ... OK
Phone IMEI A : 354035-04-......-.
Phone IMEI B : 354035-04-......-.
======== Process completed ========
Operation time - 00:03
----------------------------------------------------------
Writing IMEI ... OK
======== Process completed ========
Operation time - 00:08
----------------------------------------------------------
Writing IMEI ... OK
======== Process completed ========
Operation time - 00:08