China Mobile Secret Code

Models CHINESE GENERAL CODES:
default user code: 1122, 3344, 1234, 5678
Engineer mode: * # 110 * 01 #
Factory mode: * # 987 #
Enable COM port: * # 110 * 01 # -> Device -> Set UART -> PS Config -> UART1/115200
Restore factory settings: * # 987 * 99 #
LCD contrast: * # 369 #
software version: * # 800 #
software version: * # 900 #
set default language: * # 0000 # Send
set English language: * # 0044 # Send
set of English language (new firmware): * # 001 # Send

Other Secret Codes, Chinese Models
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Service codes Samsung:
E900 software version: * # 5002 * 8376263 #
E900 full reset: * 2767 * 3855 #
Service codes Spice:
S404 enable COM port: * # 42253646633 # -> Device -> Set UART -> PS -> UART1/115200
S410 engineer mode: * # 3646633 #
S900 software version: * # 8375 #
S900 serial no: * # 33778 #
Service codes Philips:
S200 enable COM port: * # 3338913 # -> Device -> Set UART -> PS -> UART1/115200
Service codes "Chinese" models:
default user code: 1122, 3344, 1234, 5678
Engineer mode: * # 110 * 01 #
Factory mode: * # 987 #
Enable COM port: * # 110 * 01 # -> Device -> Set UART -> PS Config -> UART1/115200
Restore factory settings: * # 987 * 99 #
LCD contrast: * # 369 #
software version: * # 800 #
software version: * # 900 #
Service codes BenQ:
software version: * # 300 #
test mode: * # 302 * 20040615 #
Service codes Pantech:
software version: * 01763 * 79837 #
service menu: * 01763 * 476 #
reset defaults (phone / user code reset to default): * 01763 * 737381 #
Service codes VK-Mobile 3xx, 5xx:
software version: * # 79 #
software version: * # 837 #
service menu: * # 85 * 364 # (hold #)
Service codes VK200, VK2000, VK2010, VK2020, VK4000:
software version: * # 79 #
service menu: * # 9998 * 8336 # (hold #)
reset defaults (phone / user code reset to default): * # 9998 * 7328 # (hold #)
Service codes LG:
software version: * # 2945 #
KG300 NVRAM format: 2945 # * # -> menu 15
Service codes Sony-Ericsson:
J100 software version: # 82 #
Service codes Fly:
M100 software version: # # # # # 0000
2040 (i) reset defaults: * # 987 * 99 # Send
MX200 reset defaults: * # 987 * 99 # Send
MX200 software version: * # 900 # Send
SL300m reset defaults: * # 987 * 99 # Send
SL300m software version: * # 900 # Send
SL500m reset defaults: * # 987 * 99 # Send
SL500m software version: * # 900 # Send
MP500 reset defaults: * # 987 * 99 # Send
MP500 software version: * # 900 # Send
Set language to English: * # 0044 #
Set language to Russian: * # 0007 #
Service codes Konka:
C926 software version: * 320 # Send
C926 set default language: * # 0000 # Send
C926 set English language: * # 0044 # Send
Service codes GStar:
GM208 (Chinese Nokea 6230 +) engineering menu: * # 66 * #
Set language to English: * # 0044 #
Set language to Russian: * # 0007 #
Service codes Motorola:
Motofone F3 software version: ** 9999 * Send
C113, C114, C115, C115i, C116, C117, C118 software version: * # 02 #
C138, C139, C140 software version: * # 02 #
C155, C156, C157 software version: * # 02 #
C257, C261 software version: * # 02 #
V171, V172, V173 software version: * # 02 #
V175, V176, V176 software version: * # 02 #
C168, W220 software version: * # ** 837 #
W208, W375 software version: * # 02 #
E900 software version: * # 5002 * 8376263 #
E900 full reset: * 2767 * 3855 #
Service codes Spice:
S404 enable COM port: * # 42253646633 # -> Device -> Set UART -> PS -> UART1/115200
S410 engineer mode: * # 3646633 #
S900 software version: * # 8375 #
S900 serial no: * # 33778 #
Service codes Philips:
S200 enable COM port: * # 3338913 # -> Device -> Set UART -> PS -> UART1/115200

Source: http://www.cheriecom.com

O2 SECRET CODES

There are O2 Secret Codes
To connect the O2 customer care free of charge
Press 4444 then press 2.It will divert to the customer care free of charge.

Send the keyword on to 212 it will text you back with your email address. When you want to send e-mail to someone, just put their address at start of the text message, leave one space then put your message in and send it to 212 . You can recieve e-mail via sms as well.

Instead of typing in #10# to get your balance you can type #10# - 10# - #10# etc.

Voicemail number is 901.

When phoning a turned off 02 mobile, press then 8705 if they haven't changed their code you can listen 2 voice mail and change their greeting.

To hide your number while texting (only 02 network n Nokia phone) go 2 the messages menu select create e-mail, it will ask for an e-mail adress, enter t@t, enter a subject, write the msg than send. It will ask e-mail server number, enter the number of your friend and send! Call him if he's got your number.

When roaming, type #111# or #111# to to call home from abroad.

Cell broadcast code 200 displays the local phone codes.

Type in 0# (star zero hash) before your text msg 2 get confirmation of delivery. Note that delivery reports should be set off.

Go to www.02.co.uk on a PC and register as a free user then after that if you want to send a txt msg visit that site and sign in and get 150 free txt messages every month.

taken from www.emobilez.com