I looked into it a bit more, and in fact sin files are signed (that's actually what the extension is short for, apparently). It was implied that flashmode will only accept signed files, which is why all of the steps to flash rooted image files go...
For anyone finding this via search, you may have to use RootExplorer to modify two files before this will work:
Please make a mirror for zu device file. I can't download from mega.co.zn
Sent from my C6833 using XDA Premium 4 mobile app
Here's a copy on keep2share, if that works better for you:
If I wanted to buy the Xperia Z Ultra for t-mobile which version would be the best?
The 6833 is out now, and gives you T-Mobile + some AT&T + all European bands. If you want to wait until the end of the month, the 6806 will be $70 cheaper and gi...
Well, obviously you can't grow beyond your available space (which is forced to be the internal sdcard and cannot be moved to the external sdcard), and I suspect Google Maps will start trimming much earlier than that, but I'm currently caching 109M...