Am starting this thread because I couldn't find a thread with the similar problem. This is what happens: On 1 Jan, I created 4 pre-cached map areas using WiFi and the resultant current cache size shows 4.9MB. On 3 Jan, I opened Goggle Maps (without any internet connection) but the map area was blank and the current cache size shows 39B. I was expecting to see the 4 pre-cached maps loaded since this feature was meant for offline map viewing. During this time frame, I did not open Google Maps nor cleared the cache at all. I have been using this feature ever since it first came out. Yes, immediately after I cached the maps, turn off all internet connection, I can view the maps. However, after 1 or 2 days, the maps seem to be cleared automatically, always. Anyone encountered similar problem or is it just me?