Good thing that removing those cooked ROMs isn’t exactly a tough thing to do, so make sure that gets done before the official Cupcake update can be applied. 5 update is now available, but do take note that customized ROMs will be able to thwart the G1’s ability to receive the update notification. For those who have already made the jump, how do you find it so far? T-Mobile G1 users will be pleased to know that the Android Cupcake 1.