Banana Pi M1 won‘t boot

Hello

I have a problem with my BPI I installed over 6 images but none of the boot. After that I changed the power supply to a 2A 5V.The first problem was solved.I booted android the first time everything went without problem after i disconnected the charger it doesn‘t boot anymore.Just the red light just lights up.

please see online wiki :

http://wiki.banana-pi.org/Banana_Pi_BPI-M1

thanks for the answer but tried everything what was written on the site and didnt have success it still dont boot up. Can you give me the link to newest image for android hdmi for bpi m1

keeping power on, and follow the steps: http://wiki.banana-pi.org/Getting_Started_with_M1