JB
Jailbreak
Example
How dangerous is JBing your iPhone?
Not sure. I'm too worried I'd mess up the phone
JB definition by Slang.net
This page explains what the abbreviation "JB" means. The definition, example, and related terms listed above have been written and compiled by the Slang.net team.
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iPhone and iPad owners may use the "JB" to abbreviate "jailbreak." JBing a device removes the device's default system restrictions. For example, on a JB'd iPhone, you can install apps from outside Apple's App Store and modify the phone's operating system.
Many third-party apps and tools allow iOS device users to JB their devices. However, JBing a device violates Apple's end-user license agreement, so you should think carefully before using a JB tool.
Other uses of JB
Android users may use JB to refer to Jelly Bean, a previous version of the Android operating system. Additionally, non-techies may use JB to refer to someone they consider jailbait.