KWorld M300 - Manual (Page 15)

© 2011 KWorld
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Applications information
1 . U n k n o w n S o u r c e s : a l l o w i n s t a l l a t i o n o f n o n - m a r k e t a p p l i c a t i o n s .
(which sources not been approved by Google.)
2. Manage applications: manage and remove installed applications.
3. Development: Set options for application development
Privacy information
Factory data reset
This will erase all data from your media player, including:
1.system and application data and setting
2.Downloaded applications
It will not erase
1.Current system software and bundled applications
2.SD card files, such as music or photos