Tricks and secret tips for Nokia cellphone

Tricks and secret tips for Nokia cellphone
Secret tricks for Nokia mobile orcell phone
  To check the phones Software revision for Nokia Mobile.
  On the main screen type*#92702689# [*#war0anty#]
  It will take you to a secret menuwhere 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/ Cell phone Number
  Go to: Menu > Tools > Settings >Call > Send My Caller ID >
  'Yes', 'No' or 'Set By Network' tofollow the default settings of your home network.
  It works only with very few network who provide you facilityof “Private Number”
Speed Dialing From Simcard contact (not stored in mobile phonebook)
  Type number followed by # then call.
  Example:     1#      or      2#      or     21# like u can do
Change closed caller grou p (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 atshop exits.
Try this secret trick if you can handle the unexpected.
Note: This secret trick wont workwith all phones Models.
This should work on all software versions of the 6110.
1. Go to the Calendar (Menu-8)
2. Make a note or reminder.
3. Enter some text into the edit box.
4. Hold "Clear" until the whole text is cleared, then press "Back".
5. Press "0". The main screen will now be showing but a space appears on the screen. (you can'tsee it)
6. Enter 4 digits (e.g. 1234).
7. Use the down arrow to move the cursor to the left side of the numbers and the space (Down arrow twice).
8. Now enter 6 digits and press the call button.
Wait for a few seconds, the screen should start to flash and reboots. It should also work on other menus like the "Profiles" menu.
If you short-circuit the left middleand right pins on the bottom of the phone with all connections touching each other, the Nokia software hangs! The profile"Headset" will be activated. Before you do this just activate the "Automatic Answer" in the headset 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. Just place it under a table in a room and call it. The phone receives the call without ringing and you can listen to what people are saying.
There is a hidden menu inside your Nokia phone. If you want toactivate it, you'll have to re-program some chips inside of your phone.
1.     Check your software version.You can only continue if you havev4.33, v4.73 or v5.24.
2.     Take apart the phone.
3.     De-solder the EEPROM (ATMEL AT 24C64).
4.     Read out the data with an EEPROM programmer and save it to a file (Backup).
5.     If you have v.33 or v4.73, change the address "03B8" from"00" to "FF".
6.     If you have v5.24 then changes the address "0378" from "00" to "FF".
7.     Write the new data to the EEPROM and solder it back to the phone,
8.     Power on your phone and you should have "Net monitor" enabled.
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