android 5.1 operating system

Android 5.1 will be released in February, the silent mode returns
according to two independent sources of androidpit, google will launch android 5.1 in february next year with some new features compared to the current version 5.0.
Leaked Android update 5.1
while android 5.0 is being deployed for devices, information about android 5.1 updates has begun to leak.