3G technology and provides a potential network multitasking, without requiring Wi-Fi Since 3G networks enable simultaneous transfer of voice and data, it is possible to call while surfing the Web, consultant emails or using Maps. Everything, from the 3G mobile network.
iPhone 3G meets worldwide standards for cellular communications. It is possible to make calls and surf the web from practically anywhere in the world. However, in an area without 3G network, iPhone connects via GSM for calls and EDGE for data via.
iPhone has UMTS, HSDPA, GSM, Wi-Fi, EDGE, GPS and Bluetooth 2.0 + EDR connectivity, using only two antennas. The design of these antennas iPhone hidden in some unexpected places: the metal ring around the camera, the metal bezel of the screen, in the mini-jack audio jack and even within iPhone circuits. The technology used for power management provides up to five hours of talk time on 3G networks (depending on network configuration).
Jailbreak literally means escape (from prison). This is an addition of data in the iPhone that allows access to a download of applications developed by non-affiliated Apple (Cydia) entities. To do this operation, you must use the right software and iPhone Case Supplier.
Indeed, the iPhone is in the In Jail default state. This means that the operating system is locked read-only. In other words, the jailbreak will increase system privileges (read-write) to customize the interface of the OS or install non-Apple validated apps.
The jailbreak itself is not illegal. For cons, the following use may be in the form of hacking apps. The jailbreak allows you to customize and improve your iPhone with additional apps.
The user may amend and add new ringtones (including SMS and emails), add a wallpaper on the home screen behind the icons (all that was not possible before iOS 4 ), all via iPhone Case Supplier. Among other things, it is also possible to obtain a receipt for SMS, allowing multitasking on previous devices to the iPhone 3G and iPod Touch 3G, using the camera as a key USB, or even VoIP calls by 3G internet connection (without using WiFi).
A jail broken iPhone inherently involves a greater risk in the event of an attempt to hack by a third party. Indeed, distributed applications on jail broken devices have access, depending on the very principle of the jailbreak. Moreover, this method is not approved by Apple, which considers it illegal , the act use invalidates the warranty of the device. Note, however, that Apple recognizes the process as such, to the extent that after-sale devices concerned department mentions the existence of the jailbreak and explains risks.