Apple has issued an update to its previous Knowledge Base warning regarding problems that jailbreaking your device can bring. The update was obviously needed after the high profile release of the Evasi0n untethered iOS 6 jailbreak earlier this week. The Knowledge Base article warns about device instability, security vulnerabilities, shortened battery life and unreliable voice and data.
As designed by Apple, iOS and iPhone, iPad, and iPod touch are designed to work together reliably. Unauthorized modifications to iOS ("jailbreaking") can cause numerous issues to the hacked iPhone, iPad or iPod touch. Examples of issues caused by these unauthorized modifications to iOS have included the following:
Instability: Frequent and unexpected crashes of the device, crashes and freezes of built-in apps and third-party apps, and loss of data.
Security vulnerabilities: Security compromises have been introduced by these modifications that could allow hackers to steal personal information, damage the device, attack the wireless network, or introduce malware or viruses.
Shortened battery life: The hacked software has caused an accelerated battery drain that shortens the operation of an iPhone, iPad, or iPod touch on a single battery charge.
Unreliable voice and data: Dropped calls, slow or unreliable data connections, and delayed or inaccurate location data.
Disruption of services: Services such as Visual Voicemail, Weather, and Stocks have been disrupted or no longer work on the device. Additionally, third-party apps that use the Apple Push Notification Service have had difficulty receiving notifications or received notifications that were intended for a different hacked device. Other push-based services such as iCloud and Exchange have experienced problems synchronizing data with their respective servers.
Inability to apply future software updates: Some unauthorized modifications have caused damage to iOS that is not repairable. This can result in the hacked iPhone, iPad, or iPod touch becoming permanently inoperable when a future Apple-supplied iOS update is installed.
Apple strongly cautions against installing any software that hacks iOS. It is also important to note that unauthorized modification of iOS is a violation of iOS end-user license agreement and because of this, Apple may deny service for an iPhone, iPad, or iPod touch that has installed any unauthorized software.
This sort of warning from Apple is nothing that we haven’t seen before so those of you that have jailbroken your device shouldn’t be too alarmed. Having said that, the warnings are reasonable in as much as any form of hacking to any device may cause it to become unstable. If you take a sensible approach to installing jailbreak apps and tweaks it should minimize the chance of you having any problems. If you do run into problems, our jailbreak and unlock forums are a great place to look for help.
Source: Apple KB article
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