Zte Axon 7 User Manual page 135

Default Apps
Touch the Home key >
apps to set the default application for certain operations. For
example, you can set Email or Gmail as the default email app.
Touch > Restore defaults to return to the default settings.
Storage
Touch the Home key >
Storage to view the memory information of the internal phone
storage and the microSDHC card.
Touch Saving location setting to choose the default location
for new data, such as photos captured, and voice recorded.
Touch Phone memory to get a detailed breakdown of space
use by type. Touch a data type to see more information or
delete the files you do not need, or touch Explore to view and
manage all files in storage.
For more information about using the microSDHC card, see
Using the microSDHC Card as Portable
When you connect a USB storage device, such as a USB flash,
to the phone with an OTG adapter cable, you can view its
storage status, unmount it, or erase all data on it. For more
information, see
Memory
Touch the Home key >
Memory to monitor the average memory use, phone
performance, and which apps use the most memory.
> Settings > All settings > Default
> Settings > All settings >
Using USB On-The-Go
> Settings > All settings >
Storage.
(OTG).
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