I am new to this forum and my phantom 3 I just bought used When I load and connect with DJI go app no satellites show up or lock on I am using a android tablet and also an unlocked Blu phone with no sim card. My question is the app using the GPS in the drone to lock on or the tablet and phone GPS My understanding is it uses the tablet or phone for setting the home position. So i ordered the drone GPS module for the phantom 3 . Before I go and install the module or do anything do you think I am on the right track?