If an A920 Android terminal has had the Settings password changed and the client doesn't remember it, this can be reset. The entity that programmed (built the file) the terminal in PAXSTORE can push a firmware update. Once the firmware is updated, the password will be reset to 9876.
This should also work on other Android terminals for PAX. We have confirmed it will also work on the E500.
We can also change the password of our android settings by just clicking the attached link.