• You will have to jailbreak your phone before downloading applications such as Cydia Backgrounder.cell phone image by sonya etchison from Fotolia.com
  
  The Cydia Backgrounder application for iPhone lets you to mulit-task your applications without having to close and disconnect from other applications. For example, you could run reply to a text message while you are watching a video, listening to music or playing a game. The Cydia Backgrounder has many other features such as quick scroll, more availability of apps and games, and can even organize your apps into folders . However, in order to get the Cydia application, you have to jailbreak your phone.
  
  

Memory

• Cydia Backgrounder requires a lot of iPhone RAM, also known as iPhoneVM. iPhoneVM refers to the virtual memory of your iPhone. This can cause the speed and functioning of many applications to freeze or slow down.
  
  

Battery

• Because the Cydia Backgrounder can mulit-task many functions at once, it could cause your battery to wear down faster than usual. Your iPhone battery is designed with a certain capacity and using more applications that it was designed for may cause the capacity to depreciate.
  
  

Jailbreak

• Cydia Backgrounders require the user to jailbreak his phone; in other words, to remove restrictions placed on the iPhone by Apple. Apple has informed that users who jailbreak their iPhones could void their warranty. If an application hasn't been approved by Apple for iPhone users, it could be because the application is harmful in some way or conflicts with the functions of the iPhone.
  
  

Updating iTunes

• In addition, every time Apple launches an update for the iTunes or iPhones, the jailbreaking function is disabled. If you want to update your iPhone, you'll have to jailbreak it after every instance, which could become tedious, especially if you want to download the jailbreak applications and games.
  
  

Security Risks

• Jailbreaking has provided a platform for more security risks for your iPhone. Downloading applications such as Cydia Backgrounder could leave your iPhone vulnerable to viruses and infections.