Usar o APKPure APP
Obter o APK da versão antiga de Erase SD card para Android
apagar todos os dados no cartão SD de memória Basta um clique
Erase SD card is an app which is used to format sdcard data. Just click on the erase button, with Erase SD card you can will erase all the data on the Memory card of the phone .
Works only with SDCard.