I haven't sold it yet.
I'm still hoping, that something could change.
Please, tell me, are you working on a fix?
Some users say that 20170414 is the best version ever, but others say otherwise.
And factory reset doesn't help.
So please... this phone could be really great...looks great... don't spoil it.
Yes, some users said this version fixed some bugs. But we don't know exactly what your problem.
Also please kindly note that, you can only update from "1" to "2" and to "3", can not skip "2" and directly from "1" to "3".
One way you can check your current version: with the wifi open, settings--about phone--wireless update(can see your current version)--check for updates( update to the latest version based on your current version)