 
 <prompt> Wetin UMS mean? Based on di question wey dey above, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Media Transfer Protocol (MTP) na protocol wey Microsoft design to give higher-level access to device filesystem pass USB mass storage, for the level of files instead of disk blocks. E still get optional DRM features. MTP na for use with portable media players, but e don dey use as the main storage access protocol for Android operating system from version 4.1 Jelly Bean and Windows Phone 8 (Windows Phone 7 devices bin dey use Zune protocol wey be evolution of MTP). The main reason na say MTP no need exclusive access to storage device like UMS, wey fit cause problem if Android program wan access storage while e dey connected to computer. The main wahala na say MTP no dey well supported outside Windows operating systems. 