[Q] Lg f180L signal come and go Help Please! topic

Hi friends I have lg f180L and its on stock 4.4.2 .....it was running fine but 2 days ago it started to loose signals....every time I reboot its shows network and full signals for 2-3 minutes and then goes to searching.....I have reflashed baseband and rom too but no luck...

[Q] F180L Touch issue topic

My friend is using F180L (korean version) optimus g ... he asked me a favor to update his phone to 4.4.2 from 4.1.2 ... when i did that update phone's touch wasn't working i downgraded the phone it started working again .
i repeated the whole procedure but problem remains there now can some one let me know why this is happening ??

phone 4.1.2 to version is v20t
4.4.2 version is v30c

i have attached the phones touch firmware info from 4.1.2 rom!!

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