Clean install cures a lot of problems, even from version to version. (Most likely because all the accumulated junk is also flushed out :) )
After going through the discussions on all the other ROMs, I realized that this ROM was proba...
1. The key seems to be to restore "Accounts" from TiB (hope you have a backup) first.
2. Next, force stop the Email app from Settings and clear data.
3. Restore Email Data only
5. Run Email
( I used Titanium Backup Root - free version...
In short - no, unless you know your way around some c, c++ and java and have some moderat knowledge about git, make, repo, linux and compilation processes in general.
You won't need everything everytime you apply such a patch (or cherry-pick / me...
Maybe you can try fw 8.11.22 and see whether that changes anything.
Also consider using google dialer, if you're not doing so already.
And don't forget to set it as standard phone app in settings (important).
LTE dialer seems to be...
I flashed the following version
F2FS version by Libertunas
along with TWRP 220.127.116.11 (convert System, Data and Cache to F2FS using Advanced Wipe) and pico gapps.
Note that this is Android 5.0...