When someone wants to remove the standard software installed in a handset of a mobile phone, this is known as jail breaking. To learn how to jailbreak iPhone 3G 4.2.1 untethered, one can download tutorials inform of video clips from several sites on the internet. These are made by individuals with the necessary knowledge to carry out these activities without posing the risk of damage to the gadget.
When one does these activities, he or she makes it possible for the phone to accept applications and software from other vendors. The manufacturers usually lock the device from using these other software when producing them. This makes it possible to protect the device from damage by other software.
People may also want to use the services of other network providers. They do not want their gadgets locked down to one provider. The rates charged by different providers differ greatly and so does their level of customer satisfaction.
The main aim of this activity is to allow the device to access the programs and services of third party software. The kinds of software that the owner can install in these phones include games and other utility software. It also allows for installation of customized open source software.
When the activity is complete, the user has the option to operate on different platforms such as 2G, 3G, 3GS and others. These all have their advantages and disadvantages especially when it comes to browsing. One however is longer entitled to the software updates that others may enjoy.
The locking of phones was as a marketing activity that companies indulged in so that they get the most clients. When one learns how to jailbreak iPhone 3G 4.2.1 untethered, he or she is able to break these restrictions. The individuals are able to enjoy the advantages offered by these software.