Learn how to use the task manager, view free space, and free up memory and storage on the ZTE Obsidian and SD card.
See SD card & device file transfer to transfer files between a device, SD card or computer.
Format SD card
- From any Home screen, tap the All apps icon.
- Tap Settings.
- Scroll to 'DEVICE' and tap Storage.
- Scroll down and tap Erase external SD card.
- Tap Erase SD card.
- Tap Erase everything.