First step is to access to the “Help Me” menu, to do so, on the main screen of the phone hold the following keys : alt aA h
(at the same time)
Type the PIN
, App Version
in the form below:
Now simply type the KEY directly on to that screen. Nothing will appear when typing. For numbers hold the ALT key when typing. Now you should be in the engineers menu - if you are not please try again ensuring the data you entered is EXACTLY as displayed. If you close the screen ensure you change the Uptime on the form. Navigate to 'OS Engineering Screens' and scroll down to 'Device Info' and then scroll down until you see 'MEP-XXXXX-XXX'.