Default [Q] LG G2 F320L21g won't root

Hello i own an LG G2 F320L21g
i have tried to root my device via ioroot24 , but it gave a device not supported error , then i tried vroot , yet same happened ,
Please help me ,



also my device has a small bar of dead pixels on the top end of screen where touch wont work , keeping the device in the sun for half an hour temporarily fixed that problem , but later it went back to being the same ,
if anyone has any suggestions ,
I am from south asia so claiming international warranty will be a drag ,


thanks
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