Common Bugs in Android OS

Common Bugs in Android OS which could affect our quality of Android Apps
GPS not locking on signal.
Keyboard lag.
GPS and battery functions showing large data usage.
Contacts crashing. Contact doubling in texts
Screen freezes during web browsing
Greater memory usage
Camera malfunctions
Wi-Fi constantly scanning, disconnects and huge data downloads
WiFi connection – Not connecting automatically to known router (Home router e.g.)
while users is under the impression that he is downloading large data over WiFi when actually it uses data connection taking up off the data enrollment package
Device freeze when unlocking to answer a call
Worse battery life