The 'UNLOCK' position has the lock/unlock slider closest to the end of the card with the metal connector strips.Īll of my microSD cards came pre-formatted in MS-DOS (FAT32). Mtb_legend, Are you inserting your microSD card into an SD-size adapter for use with a card reader?Ĭheck to see that the 'LOCK' switch on the SD adapter card is unlocked. Motorola and HTC support this option while Samsung and LG do not.)įor this help page, we are using the Moto G (2015) and a 8GB microSD card.Not possible. (Please note: Only some manufacturers offer this on their devices. But it also means that the SD card can not be swapped as this may break any migrated apps.

This will allow any app to write to the SD card even if it wasn't design to or if it uses the older SD card APIs. After formatting, the system will allow migration of apps (along with all internal app storage) from internal storage to the SD card. Formatting a SD card as 'Internal' will create two internal storage pools one pool that is internal storage and one pool that is the SD card formatted as internal.

Internal Storage: This is the new storage method introduced with Android 6.

But this also means that apps have to use the newer Android SD card API in order to be able to write to the SD card. The primary advantage to 'Portable' storage is that you can swap SD cards without affecting installed apps.

Portable Storage: This is the same as the 'old' method where apps can only write to their own app directory on the SD card.

You can now format a SD card in one of the two ways:

With Android 6 (Marshmallow), they've added a new support method for SD cards. Starting with Android 4.4 (KitKat), Google limited the ability for apps to write to the SD card.

How to format sd card for android