MOTOROLA SECRET CODES

On the main screen type

IMEI number:
*#06#
Code to lock keys. Press together *7
Note: [] (pause) means the * key held in until box appears.

Select phone line - (use this to write things below the provider name):
[] [] [] 0 0 8 [] 1 []
Add phonebook to main menu:
[] [] [] 1 0 5 [] 1 []
Add messages to main menu:
[] [] [] 1 0 7 [] 1 []
Copy SIM memory (phonebook menu):
[] [] [] 1 0 8 [] 1 []
Eng Field options (main menu):
[] [] [] 1 1 3 [] 1 []
Slow (Frequency of search menu):
[] [] [] 1 0 1 [] 1 []
Medium (Frequency of search menu):
[] [] [] 1 0 2 [] 1 []
Fast (Frequency of search menu):
[] [] [] 1 0 3 [] 1 []
Enable EFR:
[] [] [] 1 1 9 [] 1 []
Function :
[] [] [] # # # [] 1 []


Change pin:
[] [] [] 0 0 4 [] 1 []
Unblocking using the "puk" number:
[] [] [] 0 0 5 [] 1 []

There are lots of similar codes exist. If you change the last number to 0 you can deactive that code. The 3 digit number at the middle are from 0 to 999. I put the most interesting codes. (EFR):Enhanced Full Rate Codec.

You can change GSM frequencies to 900/1800 by entering the enginnering model. Following the below steps:
enter menu and press 048263* quickly, then you will enter the secret engineering menu
under "Opcode"
input 10*0*3 for GSM 900
10*0*4 for GSM 1800
10*0*5 for GSM 1900
10*0*6 for dual band GSM 900/1800
10*0*7 for dual band GSM 850/1900

To add extra message space 4 your Motorola C350 C450 C550 or C650, press menu button, press 048263* quickly, then on the popup menu enter 47 press ok.press 50 and ok.press 1 ok.press 64 ok.press 1 ok.press 186 and ok.You will receive an extra 50 msgs memory space.Switch phone off and back on.(not tested)

Samsung D-Series Secret Codes

Tips, Tricks and Secret Codes for the Samsung D820, Samsung SGH D900:

#*22671* - Starts the phone recording in the background. It can record up to an hour, secretly. Press #*22672*

Holding the volume button when the screen is off displays a short summary of information. Time, Date, signal, missed calls, etc...

Enter code *#1234# to display Firmware version of the phone
Example : D900XAFG6
D900 = model
XA = Region / Country
F = Year (2006)
G = Month (July)
6 = Firmware Release in month (so this is the 6th revision)

Hold down # to mute, or unmute the phone.

Press 1 while watching a video to make it full screen.

While playing a song in music player u can highlight a part of the song to be repeated over, while listening to the song press 7 at the point u want repeated then press 7 again at the end of the section and it will loop the section between the the two presses of 7

If you need to send a photo via mms and its too big to send and u have no pc available to downsize the pic (my limit is 100kb via mms with my sim) open the photo in photo editor on the phone and "save as" rename it differently from the original and u will have two copys of the pic and the edited version will be under 100kb.

Hidden Menu: *#8999*8378#

Make MP3 sound louder:
1. hit: *#8999*8378#
2. hit: 2, and then 2 again.
3. then on IIS NORMAL (or hit 9)
4. then on "Rx vol."
5. for level 10, click 0
then save

Orignals are:
level 10 = 10
level 9 = 18

Make sound setting louder when som1s calling:
1. *#8999*8378#
2. 2 times 2
3. 1 (NORMAL)
4. then on "Rx vol."
5. level 5 type 140 instead of 120

BlackBerry Secret Codes

Decibel meter.
Displays your signal strength in decibels, instead of bars.
Hold "Alt" and press "N", "M", "L", "L" (repeat to reverse the effect).
Address Book file verification.
Checks the data in your Address Book for inconsistencies.
In the Address Book, hold "Alt" and press "V", "A", "L", "D".

Address Book data structure rebuild.
Forces a data structure re-build in the Address Book...
In the Address Book, hold "Alt" and press "R", "B", "L", "D".
View source code.
Displays the source code of a Web page.
In the Browser, hold "Alt" and press "R", "B", "V", "S".
Help Me! menu.
Provides crucial technical information about your device, for when seeking technical support or help in forums...
Hold "Alt" and (left) "shift", then press "H".
IMEI display.
Displays your device's international mobile equipment identity (IMEI - your serial number) on-screen... Also works from all other GSM handsets.
Type "*", "#", "0", "6", "#" on the Home screen.
"Soft" reset.
Performs a "soft" reset of your device; the equivalent of doing a "battery pull" (ie. Removing the battery for a few seconds).
Press-and-hold "Alt", then press-and-hold (left) "shift", then press-and-hold "Del".
Event Log.
Displays event logs of all the system-level events that occur on your device...
Hold "Alt" and press "L", "G", "L", "G".
All of these secrets have been tested on the BlackBerry 8800 and BlackBerry Curve 8300; .
In some cases, you will need to be on the Home screen when you enter these codes...
Key shortcuts:
A or C = phonebook
S = search
F = phone profiles
W or B = browser
H = help
K = locks the keys
L = calendar
V = messages
M = messages folder
R = alarm
T = tasks
U = calculator
I = applications
O = options
P = phone
Some new additions thanks to the contributions in this thread:
T - Top of page (in browser)
B - Bottom of page (in browser)
Space - Page down (in browser)
ALT + Right Shift + Del = hard reset
D - Memo pad
U - Switch between hide/unhide in title bar (in browser)
ALT + NMLL = numbers instead of bars for signal strength

iPhone Secret Codes

3001#12345#* and tap Call. Enter Field Mode.
Field mode reveals many of the inner settings of your iPhone, specifically up-to- date network and cell information.

*#06# Displays your IMEI. No need to tap Call.
IMEI is the unique identifier for your cell phone hardware. Together with your SIM information it identifies you to the provider network.

*777# and tap Call. Account balance for prepaid iPhone.

*225# and tap Call. Bill Balance. (Postpaid only)

*646# and tap Call. Check minutes. (Postpaid only)
These three are pretty self explanatory.
*#21# and tap Call. Setting interrogation for call forwards.
Discover the settings for your call forwarding. You’ll see whether you have voice, data, fax, sms, sync, async, packet access, and pad access call forwarding enabled or disabled.
*#30# and tap Call. Calling line presentation check.
This displays whether you have enabled or disabled the presentation of the calling line, presumably the number of the party placing the call.
*#76# and tap Call. Check whether the connected line presentation is enabled or not.
State whether the connected line presentation is enabled or disabled. Presumably similar to the calling line presentation.
*#43# and tap Call. Determine if call waiting is enabled.
Displays call waiting status for voice, data, fax, sms, sync data, async data, packet access and pad access. Each item is either enabled or disabled.
*#61# and tap Call. Check the number for unanswered calls.
Show the number for voice call forwarding when a call is unanswered. Also show the options for data, fax, sms, sync, async, packet access and pad access.
*#62# and tap Call. Check the number for call forwarding if no service is available.
Just like the previous, except for no-service rather than no-answer situations.
*#67# and tap Call. Check the number for call forwarding when the iPhone is busy.
And again, but for when the iPhone is busy.
*#33# and tap Call. Check for call control bars.
Check all the usual suspects (voice, data, fax, sms, etc) to see whether barring is enabled or disabled for outgoing.

Unlock code for samsung Magnet SGH-A257

1- Power on fone ,, type : *#7465625#
you will identify wich code is active , wich is inactive
2- Remove battery ,, Put your sim card , not all of it ,, just to prepare it to be full inserted , put your battery back and power on fone ,, you must see " insert sim" not "invalid sim.."
3- type : *2767*3855#
your fone should restart after 1 min ,,
now ,, and before it restart , push your sim card ,,without removing battery

4- your fone should work and accept the sim card ,, but if you chek locks you will find that your fone is still Loked

5- now type : *7465685*638*00000000*00000000#
your UNLOCK CODE is 00000000 now , hh Enjoy

6- now , back to Locks table with : *#7465625# ,, and for each active code you can disable it ,,,here details :

* Disables CP lock : #7465625*27*00000000#
* Disables Network lock : #7465625*638*00000000#
* Disables SIM lock : #7465625*746*00000000#
* Disables SP lock : #7465625*77*00000000#
* Disables Subset lock : #7465625*782*00000000#

Sony Ericsson Secret Codes

IMEI number: * # 0 6 #
Software version: > * < < * < * Default Language: <>
Enter to phone menu without SimCard - after Wrong PIN: press NO: * * 0 4 * 0 0 0 0 * 0 0 0 0 * 0 0 0 0 #

Information about SIMLOCK: < * * <> * <- <- * <- * (-> means press joystick, arrow keys or jogdial to the right and <- means left.) You'll see phone model, software info, IMEI, configuration info, sim lock status, REAL time clock, total call time and text labels. You can also test your phones services and hardware from this menu (main display, camera, LED/illumination, Flash LED, keyboard, earphone, speaker, microphone, radio and vibrator tests) IMEI Number: *#06# Lockstatus: <- * * <- Shortcut to last dialed numbers: 0# Shortcut to sim numbers: On main menu type a number and press # If you change the language from default to any other language, then it may be difficult to switch to default language. The shortcut is very simple. Just press <> . <> stands for right arrow button or joystick.

Lg Secret Codes

LG all models test mode: Type 2945#*# on the main screen.
2945*#01*# Secret menu for LG

IMEI (ALL): *#06#
IMEI and SW (LG 510): *#07#
Software version (LG B1200): *8375#
Recount cheksum (LG B1200): *6861#
Factory test (B1200): #PWR 668
Simlock menu (LG B1200): 1945#*5101#
Simlock menu (LG 510W, 5200): 2945#*5101#
Simlock menu (LG 7020, 7010): 2945#*70001#
Simlock menu (LG 500, 600): 2947#*

Code to read phone version :
- Phone without SIM
- Enter 277634#*# or 47328545454#
- Select 'SW Ver.info'
Code to reset phone :
- Phone without SIM
- Enter 277634#*# or 47328545454#
- Select 'Factory Reset'
Code to enter UNLOCK MENU :
- Phone wit SIM inside
- Enter 2945#*88110#
Test Menu 8330 : 637664#*#
Test Menu 8180 V10a: 49857465454#
Test Menu 8180 V11a: 492662464663#
Test Menu 8130-8138: 47328545454#
Test Menu 8110-8120: 277634#*#