i bought zenithink ZT180 256mb ram 2gb .. it was having 2.1 android ..

it was working perfect..
but today i flashed with 2.2 android ..
when flashed completed tab started normally for first time ..
it was work like charm n many thing improved ..
but my prob comes later....

when i switched of the device and restarted to use it .. it stucked (stoped) on stage page (logo of epad )
nothing happening after that ... no android screen ...

plzzzzzzz help me out ....