I am testing my Phantom 3 Pro on a tablet android 4.4, with version 2.8.2 . Are giving total loss of signal

What tablet are you using, here is a list of recommended devices.
If your device is well under $200 then it may not have the processing power to run the GO app.

My tablet is a MULTILASER M 9, Android 4.4

Please try with these devices:

ELISEU Posted at 2016-7-15 05:00
My tablet is a MULTILASER M 9, Android 4.4

No, this tablet is not compatible, because it lacking enough processing power. You need to buy another one. Nvidia Shield is a pretty popular choice.