thanks man for your replay, but this is the problem all my apps on sd card ,when i unistall it from the sd card ,the phone memory increase, and when i move the apps to the sd card nothing happen to the phone memory it still small, and i as told you i just bought so idon't understand what dalvik mean or darktremor, and where does the data go ? for example angry birds it's 16 mb but i saw it only 2mb on the sd card so where is the other 14mb goes? and if it was on the phone memory how can i move it to sd card?. yeah and one more thing my phone memory only 4mb left and i only have 5 apps on it all smaller than 3mb.