Because the signal strength/speed pf this tablet is not perfect, I decided to replace the antenna.
The stock antenna is just some twisted copper plate and it does the job, but I decided to mod it anyways.
So I did ordered this : http://www.ebay.com/itm/190800914271?_trksid=p2059210.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT
After the modifications the wi-fi signal did improve but not significantly.
The "problem" is the back metal cover/case.
It acts as an Faradey cage
The next mod will be to isolate the back metal closure from the MINUS on the board. I thing that it should do the trick.
Anyways here are the pictures.
|Before Soldering||After Soldering||LAYOUT|