Fortunately, now that you know a thing or two about rooting, you are in a much better position to understand some of the other instructions. You can remove installed programs that could not otherwise be uninstalled, giving more room available to the phone and possibly memory as it will no longer run. If you reject or you do not want to install the SIM card immediately, it OK - you can install it later by opening the SIM tray with a paper clip, removing the old SIM card (if any) and inserting it. I researched a little on the internet and saw some alternatives. 1. Reset factory. But that not an option for me! (too many important files and contacts!) 2. And if you have a device that is locked, you can unlock it by your wireless service provider if you meet certain criteria including paying the full price of the device or terminating your contract and having Good contact with the service provider. New Unlocked Samsung Cell Phones. If I installed a computer with Windows on it, and then down the street, I decide that I want to put Linux or another OS on it, I want to infringe a copyright. This law states that manipulation of software is a form of copyright infringement, execution and exemption from the DMCA in the expertise of the Library of Congress.Allerdings, some phones have a digital switch that snaps when you unlock the phone, which is very difficult or impossible to go back, so do your research before unlocking if you keep the warranty requires wollen.Wie about the companies, unlock a device after the agreed service period has expired, or not completed the sentence for the Period service is paid. You can sometimes find custom radios for your phone so you can blink yourself, but make sure that these issues sometimes lead to you. Flash: Flashing really means installing something on the device, whether it a ROM, a kernel or a restore (see below) that is in the form of a ZIP file.