How I managed to fix my sh*tty wifi without desoldering the wires. Please read the instructions on the lower right part of the screen. Make sure the tablet is off. This method has helped a lot of people, hope it helps you as well :)
My Pipo was already fixed using this method so it's not a "from scratch" video. Created for FreakTab community. Below some pointers:

* MAKE SURE YOU REMOVE SD CARD (if case)
* CAREFUL NOT TO BREAK SCREEN WHEN OPEING CASE
* GENTLY UNGLUE THE WIFI ADAPTER FROM BACK CASE
* USE TUTORIAL ON YOUR OWN RISK.

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