NOKIA 5110/6110 To view IMEI number *#06# To view Software Version enter *#0000# Latest Version is under Phone Info Type is NSE-3NX *#92702689# offers you Serial Number and also IMEI number. There are various options to scroll here. The code is easier to remember as *#war0anty# (warranty) The next screen is the date of manufacture in the format Made: 1197 The next screen is the purchase date in the format Purchasing Date: 1197 (this can be edited) The next screen has Repaired: 0000 (presumable at repair the date is entered) The next screen has Transfer User Data? (the same option as the 8110) To exit turn the phone off and then back on. *3370# to activate Enhanced Full Rate (*efr0#) #3370# to deactivate Enhanced Full Rate (#efr0#) *4720# to activate Half Rate (*hra0#) ONLY IN SOFTWARE VERSION V4.33 OR EARLIER #4720# to deactivate Half Rate (#hra0#) After pressing these codes the phone will shut down and start up again with the service activated/deactivated. 6110 Sim Card Locking There are four different types of Sim Locks on the 6110 (not sure about 5110 yet). Country Lock - Lock to Specific Country Network Lock - Lock to Network Provider Lock - Lock to Service Provider Sim Lock - Lock to Specific SIM Card To see the status of your phone #pw+(mastercode)+X# (mastercode) is a 10 digit number WITHOUT the brackets. X is a number 1 through 4, it shows the above locks. Not sure of which numbers are assigned to which lock yet. Sim not restricted message means your phone is NOT sim locked - Check all 4 to be sure. Adding NEW Ring Tones Set SMSC to +358405202999 (Smart Messaging) Senf a SMS to 99999 with the word TONES in the message When you get the reply, edit the message so that the tone that you want does not have a asterisk in front of it. Now send the message to 99999. The phone will display NEW RINGTONE RECEIVED. Pinouts 1 - VIN CHARGER INPUT VOLTAGE 8.4V 0.8A 2 - CHRG CTRL CHARGER CONTROL PWM 32Khz 3 - XMIC MIC INPUT 60mV - 1V 4 - SGND SIGNAL GROUND 5 - XEAR EAR OUTPUT 80mV - 1V 6 - MBUS 9600 B/S 7 - FBUS_RX 9.6 - 230.4 KB/S 8 - FBUS_TX 9.6 - 230.4 KB/S 9 - L_GND CHARGER / LOGIC GND Turning on Car Kit and Head Set Menus (Cannot be turned off) To enable the headset-function, you have to short-circuit the "3" and "4". After a short time there is "Headset" on the display Now, menu 3-6 is now enabled! To enable the carkit-function you have to short-circuit the "4" and "5". After a short time, "Car" is shown on the display and the menu 3-7 is enabled!! If you short-circuit the left and the right contact with the middle contact ("3", "6" and "9") the Nokia Software hangs! The profile "Headset" will be activated. Before you do this, just active the "auto call receive" function in the headphone profile and set the ringing volume to "mute" Now you can use your phone for checking out what people are talking about in a room. Place the phone somewhere under a table in this room and call your phone! The phone receives the call without ringing and you can listen to the words these people are talking about!