Unlock iPhone 4S in a Safe and Secure Manner
Unlocking an iPhone deals with the process of removing inbuilt SIM restrictions and thus enabling you to use the device with any SIM card you like. Usually, iPhones get shipped with a locked mobile network carrier with whom you sign a contract. So, in order to remove these SIM restrictions, you have to unlock your iPhone.
To unlock an iPhone 4S, you should first be able to jailbreak it using a good jailbreaking tool. Once the jailbreaking is done, you can use any of the freely available or paid tools to unlock your iPhone 4S. Some of the secure jailbreaking tools which have been proven to produce results consistently are Redsn0w and Ultrasn0w.
There are generally two methods which you can employ to unlock your iPhone. You can either use a software application or else you can go for manipulating the underlying hardware of the iPhone. If you employ a software tool, then it is termed as software unlock and if you manipulate the hardware, then it is termed as hardware unlocked. To be on the safer side, it is recommended to go for software unlock rather than a hardware manipulation.
To unlock an iPhone 4S using a software, all you are required to do is just download a good software unlock tool and install it either on your PC or iPhone.
If you download and install the software tool on your PC, then you have to carry on with the unlocking procedure with the iPhone synced to your PC via a USB port. This method of unlocking is called the threaded version of unlocking. If you download the software unlocking tool directly on your iPhone 4S and carry on with the unlocking procedure from within the device itself, then it is called untethered version of unlocking the iPhone. Both the methods have proven to produce consistent.
However, Tethered unlock requires you to have a PC or a laptop which is able to run the unlock tool. In case you are not able to find a compatible PC( for example, if you are travelling), then you have to use an untethered unlock. So, it is better to use a third party software unlocking tool to avoid all the hassles involved with the tethered unlock. Unlock tool from a third party will allow you to unlock your iPhone 4S in a span of 3-4 minutes and as an added bonus, the same software sometimes allows you to jailbreak your iPhone 4S.
The Redsn0w unlock tool allows you to unlock your iPhone 4S running on the iOS firmware 5.0.1 using the Tethered method. This requires that you have to reboot your phone each time the need arises. If you fail to boot your phone, then you may have to brick your phone. So, be careful and follow the instructions provided by the documentation of unlock tool. If you go for an untethered version for unlocking your iPhone 4S, then you can make use of the iPhone 4S unlock software from third parties.
Author: Mubeen Scind
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