Learn how to use the task manager, view free space, and free up memory and storage on the ZTE Obsidian and SD card.
Format SD card
From any Home screen, tap the All apps icon.
Scroll to the 'DEVICE' heading, then tap Storage.
Scroll down and tap Erase external SD card.
Tap Erase SD card.
Tap Erase everything.
Insert / remove SD card
- Remove the back cover from the device.
- Remove the battery.
- Hold the micro-SIM card with the metal contacts down and and push it into the upper card slot or slide it out to remove.