Boot Flash Mode

If you’re into updating your Xperia SP’s software or fixing your bricked device, you’re going to need to learn first about how to boot your Xperia SP into Flash Mode.

Flash mode is similar to Download mode on Samsung Galaxy devices. You need to boot into Flash mode on Sony Xperia devices to change/update the Software version on device, and for the more seasoned users among us, Flash mode also lets you to flash custom kernels on your device using a third-party flashing utility called Flashtool.