I know that my budget Android have somewhat 521 MB ROM+RAM, but now its ROM is almost filled and I get "Insufficient storage" warning while installing or updating any apps failing installation. I cant move some apps out of ROM to microSD and they now keep occupying all the ROM thus preventing installation of new softwares or updates. Does this problem persist in Windows Phone since I want to know if this will occur also on the budget Windows Phone if I buy in future. I use a lot of apps.