Don't worry if you forget the security code which you gave to your nokia phone. You can unlock the security code without knowing the code. Here is how you can do it :
Just remove your phone battery and sim for 30minutes after 30 minute, put your sim and battery in phone and your security code will be unlocked successfully.
To enter in the secret menu in Nokia Phone.
On the main screen type *#92702689# [*#war0anty#]
It will take you to a secret menu where you may find some of the information below:
1. Displays Serial Number.
2. Displays the Month and Year of Manufacture
3. Displays (if there) the date where the phone was purchased (MMYY)
4. Displays the date of the last repair - if found (0000)
5. Shows life timer of phone (time passes since last start)
To restore Factory Settings for Nokia mobile
*#7780# reset to factory settings.
Taking picture without getting noticed.
Turn on/off the "click" sound made by the camera by selecting the 'Silent' profile or by turning warning tones on/off.
Hiding your Mobile/ Cellphone Number
Go to: Menu > Tools > Settings > Call > Send My Caller ID >
'Yes', 'No' or 'Set By Network' to follow the default settings of your home network.
It works only with very few network who provide you facility of “Private Number”
Speed Dialing From Simcard contact (not stored in mobile phonebook)
Type number followed by # then call.
Example: 1# or 2# or 21#
SECRET PRANK
Change closed caller group (settings >security settings>user groups) to 00000 and your phone will sound the message tone when you are near a radar speed trap.
Setting it to 500 will cause your phone 2 set off security alarms at shop exits.
Try this secret trick if you can handle the unexpected.
Note: This secret trick wont work with all phones Models.
Save on battery and system memory being used by regulary checking the task manager which can be accessed by holding down the menu button!!
Type *#06# to display your IMEI serial number, very valuable for the unlocking your phone to other sim cards
Type *#0000# to view which firmware version you are running
Set the screen saver to a short time out period to prolong battery life.
Avoid restarting the phone, or repeatedly turning it on and off. This helps increase battery life.
If you would like to avoid being "blue jacked", keep bluetooth turned off, or set your phone's visibility to hidden.
Don't want to carry a watch and a phone? Set the screen saver to show date and time, then you can ditch the watch.
Save memory when installing apps, by installing over bluetooth. This can be done using the nokia phone suite and a bluetooth serial connection. Only works with .SIS files, so java still has to be sent to the phone, but will save space when using .SIS files.
Operator logos
Use a filemanager like FExplorer or SeleQ to add the folders: "c:/system/Apps/phone/oplogo". Add a .bmp picture to folder "oplogo" and restart your phone! The .bmp picture size needs to be: 97 x 25 pixels
Check if the recepients phone is on
Delivery reports
or
Type *0# your message in the message composer window space then write your message, the recipient will not see the star zero hash bit - just the message When they read it it will relay a message back to your fone showing the time they recieved it.