The bug was discovered by Sean McMillan
Steps:
1) On the code entry screen press Emergency
Call
2) Then press Emergency Contacts
3) Press the Home button once
4) Just after pressing the Home button press
the power button quickly
5) If successful, pressing the power button
again will
bring you to the S3’s home screen
McMillan said that it can “take quite a few
attempts to get this working, sometimes this
method works straight away, other times it
can take more than 20 attempts.”
ideastore4u 