Mine is 2G on FW2.2.1
Installed OfflineMaps 2.1.0-4 using CYDIA

Downloaded KV map, somehow this unzips to directory "KlangValley" which I subsequently renamed as "KV---KlangValley" in keeping with the standards naming conventions for rest.

When I SSH sftp into iPhone, saw Maps directory not there, so I created new one /private/var/mobile/Media/Maps and proceeded to copythe unzipped folders /WM---WestMalaysia   /PN---Penang   /KV---KlangValley and also made chgmod these to 777 just in case.

I am seeing a totally different screen interface with feweroption inside the OfflineMaps application. It shows the above folder names exactly, with two other options - "Remove all caches" and "Importing current Maps" (this last option in red font.

Selecting any of the maps, pop-up "Processing Map" which says "Select the method you want to use for XX-XXXXXX (xx.x MB)" which I presume it correctly picks up from Maps directory. Two buttons "cancel" and "link" the former which resultsin another pop-up "Process Finish" + "Map XX---XXXXXXX is linking to Maps" and an "ok" button which returns to original screen.

"Remove all Caches" works and prompts a confirmation pop-up and completes the task if selected.

"Importing current Maps" reports in a pop-up "No Maps Data found in Maps (try download with wifi connection" and an "ok" button.

I am not too sure and would appreciate if someone can clarify :

1. Does this application simply feed a cache of maps to the original Maps application in iPhone?
2. When I open Maps with WIFI connected, data from online sources will be displayed, but if no WIFI, it will access the OfflineMaps data cache?

Otherwise, I am not seeing any offline maps within the offlineMaps application. Nor do I see "edit" "about" 'copy" and other buttons screens shown earlier in this thread. I presume the newer version 2.1.0-4 has totally different screens.