lenovo z2132 pattern lock EDL Process 1. disconnect USB cable and turn the phone completely off 2. press volume-up, and keep it pressed Around 15sec 3. press power button only 1/2 second keep press volume up 4. Now Press Power Immediately insert usb cable 5. wait for short vibration - you should also see the ZUK logo flash on screen for a split second 6. now you can release both power and volume-up, you should already see the USB device coming up on PC If anything different happens, just disconnect, power-off and start again... Have fun!