QUOTE(wajahebat @ Jul 20 2013, 03:14 AM)
The heat problem is not uncommon for our device...The kernel will automatically scale down the cpu
usage to cope with the heat-up issue, so no worries for that problem...
About your wifi problem, my last option is to repair your phone using LG PC Suite software...
Actually its almost alike like Hard Reset...But i'd prefer more if you do Hard Reset in recovery mode...
Simply just turn off your phone....And turn it back on with these key compilation
" VolUP + PowerButton "...
Once in recovery mode, navigate for Up/Down using volume button and Select with Power button...
Choose factory reset...
Hope this helps

1- i already do hard reset using the DOWN+POWER button option (more then 5 times)
2- also done the factory recovery using lg mobile tool (not the lg pc suite)
both end up same thing.
wifi seems to have problem since the update of firmware
was trying to flash the rom using lg flash tool
but stuck at some step, decide not to continue to avoid brick my phone (just 1 week old)
not sure why wifi suddenly problem after upgrade?
its okay before the upgrade - couldnt be hardware issue rite...