G2 signal problem

i need help after repair hard brick LG G2 D800 Imei null show

i flash wrong firmware on my device after i face fastboot started ...

i found solution on xda for fix fastboot after solve fastboot started phone enter in download mode

i flash with tot correct .. dll correct full flash done phone working fine but i face no service and imei null

i need solution there is any chance to solve that problem thanks in advance