Best value phone for under £200 ($250), ZUK Z2? LE ECO Max 2? Umi Z? Preferrably around 5.5 inch

I've been looking for a new phone recently and want something for less than £200.

I want decent specs and future proofing / value for money for the price. A large screen size if possible. SD slot is nice to have although if internal storage is decent then is less of an issue.
I don't want a fingerprint reader really, although that seems less avoidable nowadays so I guess I might have to live with it. One where the fingerprint sensor isn't on a button that is required for normal operation is...

Best value phone for under £200 ($250), ZUK Z2? LE ECO Max 2? Umi Z? Preferrably around 5.5 inch

from Android Authority Forums http://ift.tt/2kvXsvV
via IFTTT