How to Boot Xperia X10 in Flash Mode
- 1). Shutdown the X10 by pressing and holding the power key until the device powers down.
- 2). Connect the small end of the USB cable to the USB port on the side of the X10.
- 3). Press and hold the “Back” key while simultaneously connecting the other end of the USB cable to your computer’s USB port.
- 4). Press the “Enter” key once the green LED on the X10 starts to flash. This must be down within five seconds of entering flash mode. The phone will then be able to communicate with any flashing or rooting software found on your computer.
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