The OEM Phantom 3 tablet mount is made of plastic and is not able to support the weight of most tablets. It does securely hold them in place, but the tablet wobbles around on the remote controller at the point where the mount connects to the remote controller.
The simple fix is to install the Inspire 1 tablet mount. The holder is identical to the Phantom 3's holder. The difference is that the mount is made of metal -- so, it does not give like plastic does.
Here's a comparison:
Here are some photos showing the difference between the two tablet mounts:
This is a simple upgrade that takes about 5 minutes to complete. Here are some places where the Inspire 1 tablet mount can be purchased:
Amazon: http://www.amazon.com/gp/product/B0...Code=as2&tag=ph079-20&linkId=LOHTSOF2NXMUIU7E
DJI: http://click.dji.com/dYWPYpkmHfbwlF7d
eBay: http://rover.ebay.com/rover/1/711-5...ep_vectorid=229466&kwid=902099&mtid=824&kw=lg[got one works great. 30 dollars was a good fix for flimsy plastic mount.