Learn how to use the task manager, view free space, and free up memory and storage on the HTC One M9 and SD card.
Format SD card
From any Home screen, tap Apps.
Under the 'PHONE' category, tap Storage.
Scroll to 'SD CARD,' then tap Format SD card.
Review the warning message.
Tap ERASE SD CARD.
Review the second warning message.
Tap ERASE EVERYTHING.
Insert / remove SD card
Hold the phone face up with the top panel facing you.
Insert the tip of the tray eject tool (or a small bent paperclip) into the tray eject hole next to the microSD tray slot.
Push the tip all the way into the hole until the microSD card tray ejects.
Pull out the microSD card tray.
Pace the microSD card (contacts facing down) into the tray or remove the microSD card from it.
Insert the microSD card tray back into the slot.