IMEI
To get the IMEI, enter *#06#

Caller ID
To enable caller id, enter *#30#[SEND] To enable call-blocking, enter *#31#[SEND] Note that the two above options are not yet available in most areas.

Cell-sites
To enable display of cell-site names, [MENU] 4 9 1

Date code of the firmware
To find the date code of the firmware, enter *#3283# (* # D A T E *). The last two digits are the year. If the year is 95, then the first two digits are the month. For 96 the first two digits are the week of the year.

Software version
To find the software version on the 2110e / 2110i, enter *#170602112302# On newer phones, the code has been changed to *#682371158412125#

The phone should display something similar to this:

V 5.31      software version
06-01-96    date manufactured
NHE-4       model GE8 = 9000?

Some 2110 Hidden Shortcuts!

Enter : * then Memory then Find or * then the down arrow

Result : You see your received calls. Same As menu options (01 2)

Enter : + then Memory then Find or + then the down arrow

Result : You see your missed calls. Same as menu option (01 3)

Pressing Menu, then Green Phonebutton allows you to transmitt DTMF codes