Although what was just said sounds like a serious reason to need to boot into download mode on Samsung Galaxy Core 2 handsets, there are some reason that are more for fun like getting root access or installing a custom recovery on your …show more content…
With that in mind, you should backup the current data on your devices so you do not lose that same data. Data you might consider backing up includes the settings, pictures, video files, music files, SMS and MMS text messages, plus anything else you can think of that you don't want to lose like the phone contacts.
Double check that you have USB Debugging Mode turned on already before continuing. To do that, head to the Menu > Settings > Developer Options > look for the USB Debugging Mode option inside the Developer Options.
Sometimes people don't have any Developer Options menu available from the Settings menu because Android decided to not always make it an automatic features. For all of you guys and girls, head over to the Menu > Settings > About Device > keep tapping the build number until it says you are now a developer. It should only take about 7 or 8 taps until it's done.
HOW TO ENTER DOWNLOAD MODE ON SAMSUNG GALAXY CORE 2 DUOS