I want to start playing arround with custom roms and the development but before I load any custom rom I want to backup my factory rom. It hasn't been touched. How do I go on about doing this.
It's a chicken and egg situation. You want to make what's called a nandroid backup (Android NAND memory), but to do that you have to install a custom recovery, CWM or TWRP. So you can't fully back up the untouched phone.
Do you want your current setup specifically, or would you be happy with any means to return to stock? You might be able to find the correct firmware here: Firmwares | SamMobile
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