Secret Code Mobile Yang [Compulsory] Unknown

This mobile phone secret codes required in the know if it's going to be an expert preak mobile, is also most common in use but should know the term mobile phone, either to counter mobile phone owner, broker or a mobile phone buying guide second. And if the other dissatisfied can be see here. So knowing how to care for mobile phone battery is not enough, especially if you like playing hack mobile phones.

Nokia Access Code
Nokia Access Code
* # 30 #: Displays 'private number' that contact you.
* # 73 #: Reset phone timers and game scores (on some phones).
* # 7780 #: Restore to factory settings (factory setting).
* # 2820 #: Bluetooth device IP address (for mobile phones that have Bluetooth).
xx #: quick access to the names / phone numbers in the phone book mobile phone, such as 20 #.
Button off: Pressing with short, to switch between profiles.
* 3370 #: Enable EFR (Enhanced Full Rate) Codec (not valid on Symbian phones).
# 3370 #: Disabling EFR Codec.
* # 4270 #: Activate Half Rate Codec.
* # 4270 #: Disable Half Rate Codec.
* # 0000 #: Displays the phone software version.
* # 9999 #: alternative code if * # 0000 # does not work.
* # 06 #: Seeing the IMEI number (International Mobile Equipment Identity).
* # 21 #: Checking the number diverting "All Call" is used.
* # 2640 #: Displays phone security code is used.
* # 43 #: Checking the status of "Call Waiting".
* # 61 #: To check the caller's number is diverted when you are not answered.
* # 62 #: Checking the caller number is diverted when your phone out of reach.
* # 67 #: Checking the caller number is diverted when your phone is busy.
** 21 * number #: Turning on the transfer of "All Call" to the number required.
** 61 * number #: Turning on the transfer of "No Reply" at the number required.
** 67 * number #: Turning on the transfer of "On Bussy" in the number filled.
* # 67705646 #: Changing the logo operator logo on Nokia 3310 and 3330.
* # 746025625 #: Displays the SIM Clock status.
* # 7760 #: Displays the manufacturer code (most of the old type of phone).
* # 92702689 #: Bring Forth: 1. Serial Number, 2. Date Made, 3. Purchase Date, 4. Date of last repair, 5.Transfer user data. Out of this mode must restart the phone (on some phones).

Samsung Access Code:
* # 06 #: Seeing the IMEI number (International Mobile Equipment Identity).
* # 0000 # Reset language back to Indonesia.
> * <<* <*: Service Menu - displays the phone software version. Click "Yes" repeatedly to see all the data the software and press ">" to view all the text contained in the phone.
<* * <: Locking the SIM Card. Sortcuts: 1. Save numbers "Missed Call" in the phone directory. Search for menu "Missed Call", press "Yes" to display the destination number. Press any number (0 to 9), then press "clear" once to block the number, then press and hold "<" to appear "Store", press "Yes". 2. Hiding numbers. After hitting a target number and before pressing the "Yes", press '>' 2 times to select "Hide Id?" And press 'Yes'.

3. Check the battery level when phone off (off).
Click 'No' is faster 1 x and wait until the battery display visible.

4. Save the number in the phone memory (not SIM Card).
Follow the normal procedures to store numbers. When the display to save the visible press '#' time and the desired location, or press '#' 2 times to see the advanced position.

5. Call the number of SMS messages.
Directs the cursor on the written number, then press "Yes".

Appearance Shortcut Picture:
(Valid on most Symbian phones).
When viewing images or pictures in the gallery, press:
1: to rotate the image to the left.
2: to rotate the image to the right.
5 or 7: to enlarge (zoom) images.
*: To view fullscreen or non-fullscreen.
Note: orders above figures may vary by phone.

Hard Reset:
Warning! All mobile data will be lost.
In a phone off (off), press the call button simultaneously (talk), number 3, and the * (star). Then in the third pressing these buttons, press the On button. This trick applies in most Nokia phones.

Additional Update Nokia GSM
Nokia 21xx
Code Explanation
* # 06 # IMEI code
* # 3283 # Sunday Production / Month & Year
* # 9999 # Version Software

Nokia 32xx
Code Explanation
* # 06 # IMEI code
* # 0000 # Version Software
* # 92702689 # Service Menu
* # 746025625 # Sim Clock Stop
* 3370 # EFR active, clearer sound, the battery quickly drains.
# 3370 # EFR inactive.
* 4720 # HR active, not more clear sound, long-lasting batteries.
# 4720 # HR OFF.

Nokia 51xx
Code Explanation
* # 06 # IMEI code
* # 0000 # Version Software
* # 92702689 # Service menu
* 3370 # EFR active, clearer sound, the battery quickly drains.
# 3370 # EFR inactive.
* 4720 # HR active, not more clear sound, long-lasting batteries.
# 4720 # HR OFF.

Nokia 61xx
Code Explanation
* # 06 # IMEI code
* # 0000 # Version Software
* # 92702689 # Service menu
* 3370 # EFR active, clearer sound, quickly drains the battery.
# 3370 # EFR inactive.

Nokia 81xx
Code Explanation
* # 06 # IMEI code
* # 8110 # software version, date of production and model number
* # 92702689 # Service menu

Nokia 88xx
Code Explanation
* # 06 # IMEI code
* # 0000 # Version Software
* # 92702689 # Service Menu
* 3370 # EFR active, clearer sound, the battery quickly drains.
# 3370 # EFR inactive.

Nokia 90xx
Code Explanation
* # 06 # IMEI code
* # 6823711
58412125 # Version Software
* # 3283 # Date of Production
if you want to know about software for charging electrical pulses "RELOAD SYSTEM" see here.