What does it mean “rooting” an android device ?
In the default configuration of an android device (smartphone or tablet), some elements are protected. Accessing or editing them requires granting special permissions. In systems of the unix family (android being one of them), these permissions are known as superuser or root permissions.
That is why, the process of configuring the system to grant some applications superuser permissions is known as “rooting” the device.
What is the use of rooting an android device ?
Among many other possibilities, a rooted smartphone can be unlocked to be used with any telephony operator. This post explains how this process was carried out in a Samsung Galaxy Ace model GT-S5830, Android version 2.3.5 smartphone. This process could be valid for other brands and models, as well as other android versions.
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