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#
set default language: *#0000# Send
set English language: *#0044# Send
set English language (new firmware): *#001#

Send
More some codes for reset mobile china
*#77218114#
*#881188#
*#94267357#
*#9426*357#
*#19912006#
*#118811#
*#3646633#

*#66*# Set Factory Mode CONFIRMED
*#8375# Show Software Version CONFIRMED
*#1234# A2DP ACP Mode CONFIRMED
*#1234# A2DP INT Mode CONFIRMED
*#0000# + Send : Set Default Language CONFIRMED
*#0007# + Send : Set Language to Russian CONFIRMED
*#0033# + Send : Set Language to French CONFIRMED
*#0034# + Send : Set Language to Spanish CONFIRMED
*#0039# + Send : Set Language to Italian CONFIRMED
*#0044# + Send : Set Language to English CONFIRMED
*#0049# + Send : Set Language to German CONFIRMED
*#0066# + Send : Set Language to Thai CONFIRMED
*#0084# + Send : Set Language to Vietnamese CONFIRMED
*#09*#19992006# ---->phone reset(COPY D820 SAMSUNG)
*#9426*357#----->COPY NOKIA 6280
66# + Send : Set Language to Arabic CONFIRMED
check this may helpfull,regards sajidmirza


also
==========
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 **x, 5xx:
software version: *#79#
software version: *#837#
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#*#

Service codes Sony-Ericsson:
J100 software version: #82#

Service codes Fly:
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


Service codes GStar:
GM208 (Chinese Nokea 6230+) engineering menu: *#66*#
Set language to English: *#0044#
Set language to Russian: *#0007#

ZTE Mobile:>1- *938*737381#
2- PHONE WILL DIPLAYED DONE
3- POWER OFF YOUR PHONE AND POWER ON AGAIN
alcatel:>E205
unlocking phone code,only press***847# without simcard



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 **x, 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#

*.::Some Service codes "Chinese" models::.*
* default user code: 1122, 3344, 1234, 5678
* Engineer mode: *#110*01#
* Factory mode: *#987#
* Enable test mode 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 **x, 5xx:

* software version: *#79#
* software version: *#837#

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#*#

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#*