Recovery Mode is a way to start all over
again on your iPad like new or reset it to
factory default. It will erase everything in iPad including
OS and then reloads it ...
www.quicksetupguide.com/apple/ipadreset1.htm
How to do factory reset on Droid: To do a complete factory reset of
your phone by going to the Settings app and selecting "Privacy" ->
"Factory Data Reset".
How to Reset
Xoom: In other
cases, you may want to reset your Xoom to factory settings and erase all
the data on your device. To do that, from the home screen, touch
Performing a factory reset (hard
reset) on Android phone. If you're passing your
phone on to someone else or your phone has a persistent
problem that cannot ...
www.quicksetupguide.com/phone/android3.htm
Restarting Android phone (soft reset)
1. If the display is off, press the POWER
button to turn it on. 2. Unlock your phone if the Lock
screen is displayed. ...
www.quicksetupguide.com/phone/android2.htm