can someone help me find upgrade instruction for my z110bt

i upgraded it a few years ago and believe its now running the firmware of a z130bt but I'm not sure.

its running

Platform version 4.00

application version 4.010

bluetooth 3.24

mecha version 01.01.06.00

i would like to upgrade the unit to a z140bh or 150bh if possible 

or just the maps.

please let me know how to figure out what I've got and if i can upgrade

http://avic411.com/index.php?/topic/83512-2017-v7-uscan-update-available-for-z110120130140x920930940/

Your Z110 is, and always will be, a Z110. It is in the hardware. Using the link above you can find out how to upgrade the firmware to the current versions (v7 and BT v3.32) and maps to 2017 versions.