Thanks I got the files .
B236600.update 210 MB (220,710,202 bytes) is the FW for your android device this cannot be patched with the Universal Patcher.
Who said "You must patch if you want to use the latest version of the map."there is no gupdate.gcd to be patched.
Check out the file structure of the update file
Attachment 2321
Sorry there is nothing to teach,there is no fix for you to use the latest maps on your device.