1 definition by S.H.R

To unlock a cell phone from its service provider so that it can be used with other SIM cards from different companies.
To unlock an iphone from AT&T and make it a free bird. Just shove in any GSM tri-band SIM card and you are good to go! thats what you call jailbreak
by S.H.R July 12, 2008
Get the jailbreak mug.