There could be any number of reasons for needing to flash manufacturer stock OEM firmware on a Samsung Galaxy S9 or S9+. The most common reason for flashing stock firmware is un-rooting the phone in order to get back to the factory settings so that you may receive OTA updates once again; or if you've installed a custom ROM but it fell short of your expectations, in which case you'll likely want to revert back to stock. Whatever your reason for wanting stock firmware, the phone carriers don't … [Read more...]