I was going to purchase this phone but apparently we have to rely on the kindness of ZTE if we're to get OS updates, or go through a complicated process much like it is for Android. This is massively disappointing for a supposedly 'open' phone and has put me off entirely.
https://support.mozilla.org/en-US/questions/967817
https://groups.google.com/forum/#!topic/mozilla.dev.b2g/q20P...
Is is really as bad as it seems?