Nokia 2100 Secret Codes
Pressing *#0000# will take you to a special display which shows...
1. Software Version

2. Some Date (Most probably the date of software release)
3. ??
Nokia 2100 Secret Codes
The x# Trick
By pressing x# (where x is any number upto 100) will show the telephone number stored in location x. For
example, pressing 5# in idle mode will show the 5th number you stored when you entered the numbers in your phone-book.
Nokia 2100 Secret Codes
Pressing *#92702689# will take you to a new menu with 6 options :
1. Serial Number Of Your Phone.
2. Month And Year Of Manufacture (In format MMYY).
3. Purchasing date. You can only set this once.
4. Enables phone for data transfer if you have all the necessary equipment.
5. Life Timer - ??
To exit the menu, switch off the phone and then back on.

Special Character Trick
While composing an SMS, you would often require to key in some special characters. The entire list of available
characters is made available by pressing and holding the * key. Further, you can go down directly instead of going horizontally by pressing #
Nokia 2100 Secret Codes
Wake Me Up !
Some pre-paid card networks allow the option of "Balance On Screen" facility that displays the remaining credit
and validity on the screen. When you go to sleep, set the alarm as usual and then return to idle mode. Now,
request for a "balance on screen". Let the balance screen remain and you doze-off to sleep. When the alarm
rings as per the set-time, every key will act as the "Snooze" key. The alarm will pause for a certain while but it won't stop ringing !
Nokia 2100 Secret Codes
To See IMEI Number : Press *#06# in Idle mode.