I updated my X5 with the latest official Yojiatech file. I tried 9/20 and then 9/22. Some things I noticed:

First thing I noticed is the IPTV channel list is over 400 channels. If you have a usb drive connected with an iptv list on it, it will give you an option to record the list to the STB, it also lets you edit the channels in your list. I loaded the list on my USB stick into the receiver and it wiped out my entire list that came with the firmware!

I had to make a new western satellite list for it which took some time.

The receiver seems to hesitate a bit in between menus.

When you switch channels, the menus do not come up. You have to press OK or info.

Google maps does not work with zip code entry.

There are no graphics on this version when you turn it on.

I haven't had much time to test the PVR functions.

The IPTV and VOD seem to work fine.