New answers tagged bootloader-lock
It is still kind of unclear what you exactly mean. In general: a factory resets formats the whole userdata(data) partition. The data partitions contains your installed apps, databases where your customized settings for the android system are stored(for example if you changed your homescreen; added some shortcuts/widgets etc.). Also the cache of the virtual ...
Samsung Galaxy S2 is shipped with an unlocked bootloader, so it won't be locked when you Factory Reset it. If it's rooted, it will not be unrooted, but SuperSU or Superuser app itself may be removed (If it's not installed in system partition), so you'll just have to reinstall it. And if it's a factory unlocked carrier specific version of the phone like i777 ...
A factory reset will not change the status of the phone with regards to "device lock" (Can I connect to other networks?) or to "bootloader lock" (Can I use custom ROMs?).
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