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NOKIA 7650 SECRET CODES

Firmware Version:
*#0000#
*#51x0# or
*#9999#

View Serial No:
*#92772689#

Obtain IMEI (Serial) Code:
*#06#

Enhanced Full Rate (EFR):
*3370# to activate EFR.
#3370# to deactivate EFR

Half Rate Mode (HFR):
*4720# to activate HFR.
#4270# to deactivate HFR.

Default Security Code:
12345

Nokia Codes..
Some Codes here... May work... May not wok...
Nokia Code function
 *3370# This Nokia code activates Enhanced Full Rate Codec (EFR) - Your Nokia cell phone uses the best sound quality but talk time is reduced my approx. 5%
 #3370# Deactivate Enhanced Full Rate Codec (EFR) .
 *#4720# Activate Half Rate Codec - Your phone uses a lower quality sound but you should gain approx 30% more Talk Time.
 *#4720# With this Nokia code you can deactivate the Half Rate Codec.
 *#0000# Displays your phones software version, 1st Line : Software Version, 2nd Line : Software Release Date, 3rd Line : Compression Type .
 *#9999# Phones software version if *#0000# does not work.
 *#06# For checking the International Mobile Equipment Identity (IMEI Number) .
 #pw+1234567890+1# Provider Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols).
 #pw+1234567890+2# Network Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols) .
 #pw+1234567890+3# Country Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols).
 #pw+1234567890+4# SIM Card Lock Status. (use the "*" button to obtain the "p,w" and "+" symbols) .
 *#147# This lets you know who called you last (Only vodofone).
 *#1471# Last call (Only vodofone) .
 *#21# This phone code allows you to check the number that "All Calls" are diverted to.
 *#2640# Displays phone security code in use .
 *#30# Lets you see the private number.
 *#43# Allows you to check the "Call Waiting" status of your cell phone.
 *#61# Allows you to check the number that "On No Reply" calls are diverted to .
 *#62# Allows you to check the number that "Divert If Unreachable (no service)" calls are diverted to .
 *#67# Allows you to check the number that "On Busy Calls" are diverted to
 *#67705646# Phone code that removes operator logo on 3310 & 3330
 *#73# Reset phone timers and game scores.
 *#746025625# Displays the SIM Clock status, if your phone supports this power saving feature "SIM Clock Stop Allowed", it means you will get the best standby time possible .
 *#7760# Manufactures code.
 *#7780# Restore factory settings.
 *#8110# Software version for the nokia 8110.
 *#92702689# Displays - 1.Serial Number, 2.Date Made, 3.Purchase Date, 4.Date of last repair (0000 for no repairs), 5.Transfer User Data. To exit this mode you need to switch your phone off then on again.
 *#94870345123456789# Deactivate the PWM-Mem.
 **21*number# Turn on "All Calls" diverting to the phone number entered.
 **61*number# Turn on "No Reply" diverting to the phone number entered .
 **67*number# Turn on "On Busy" diverting to the phone number entered .
 12345 This is the default security code .
 press and hold # Lets you switch between lines.
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)
Send 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