The microSD card is just used to run the firmware. All of your applications and data are saved on the storage generate. You will have to have a 32GB+ microSD. All people regardless of the plan will get notifications by using SMS, email, mobile force notifications, and/or audio or https://financefeeds.com/blockdags-presale-rises-to-global-dominance-with-102m-raised-surging-ahead-of-cardano-price-bitcoin-prediction/