How to boot the Mele A1000 in recovery mode
Once the encryption screen comes up, Android may have gotten far enough in the bootprocess for the adb server to start. If you have adb set up on the computer, check and see if the computer can recognize the phone by typing adb devices. If you see device with a serial number, then just simply type adb reboot recovery. (If you don't have adb, there are several guides that can be found via Google that explain how to get it set up.)