I am new to the tablet and android.My name is Eric and I am glad I found this site.I just receive a clone ogf Eken M001 Android 1.6 (1.7.something)and I like it.for the price I am impress but I want to tweak it a little.1-I want to take a part to upgrade the battery to double the battery life, I dont think it would be too dificult!Are they Li-ion 3.6 volts?2-I really like to have a decent AVI player;I tried some,no one work really or slow playback or no sound.3-if I take a part, is it possible to upgrade the flash easely to 4 to 8gb?4-what is the last firmware that work on this one, is 2.0,2.1,2.2 possible?Thank you very much guys