WiFi and Bluetooth does not work

USB Tethering is working now tho.

Hi @xebeoc ,
I have searched the forum and I found no solved questions for this wifi network controller. You can also read this post, in order to decide to buy a dongle and use, in order to solve your problem.
WiFi speed often dropping to 0 however not disconnected on Realtek RTL8821CE

I also recommend this post, in which the problem was solved.
Tried to install drivers for rtl8821ce network card

Hope it help,
Regards