Use APKPure App
Get Reboot to recovery [ROOT] old version APK for Android
Mette un'icona alla schermata di riavviare per il recupero con due click!
Puts an icon to your screen to reboot to recovery with two clicks!
Needs a rooted device!
OPEN SOURCE, the source code is available at http://home.max-weller.de/blog/2012/01/06/reboot-to-recovery/