I have uninstalled all Google apps besides: Gmail, Calendar and Keep.
I have uninstalled all the bloat experia apps including swift key. (see thread: https://forum.xda-developers.com/xperia-xz1-compact/help/managed-to-hide-whats-app-root-t3681393...
try reversing polarity and you will see. or then again - do not do it!
I cant, it only fits one way!
I have no info about the replacement but how did the magnector ruin your battery? Using one myself :)
Ill second the google contacts app. When i open the dialer, swipe to the right for contacts menu and klick a contact i get the message: "No application found to view this contact."
This is a major flaw imo.
Found this: http://www.apkmirror...
Just tride the 14-release. Same same; the option is rhere but does not work.