Use APKPure App
Get Rescan Media ROOT old version APK for Android
Rescan Media will rescan your phone for files that happens on a system re-boot.
!!NEEDS ROOT!!
Disable and Kill the media scanner at boot.
Scan Media Files on demand.
Save Boot Time/Time Till Use by up-to 20-30 secs.
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Profit
NEEDS USB DEBUGGING TO BE ON.
100% works on all Android Devices!
It can scan The internal sdcard and external sdcard on demand.
It uses no permissions at all!
I've worked VERY hard on this release.
Please email me if you have any questions.
If you need help in rooting your device, contact me.
I might be able to help you.
If this app has helped you in any way possible or has saved you from throwing your phone at a wall waiting for it to scan files, you could consider a making a donation to me since the Android market does not allow me to sell apps from India.
You can donate at the website link below in the xda page or at this page.
http://www.adityatalpade.com/UltimateChronographStopwatch/
Enjoy the app!