Maxon Mobile Secret Code

*#9900# - Software Version
*#9901# - Software Version (PBatch)
*#9911# - L1 Debug on/off
*#9915# - Back to defauld
*#9916# - Text (scroll up/down)
*#9917# - Lock status
*#9922# - Enter Menu
*#9934# - Bd config
*#9935# - FC init
*#9936# - TOC init
*#9937# - Discharging battery
*#9940# - Pins
*#9941# - Testsignal
*#9953# - Phone off
*#9957# - Select 2-3 Menu lines
*#9958# - Watch stop
*#9959# - Watch start
*#9960# - Contrast set
*#9962# - SMS Menu
*#9988# - Tetris Play
*#9999# - Oem Id

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Philips Mobile Phone Secret Code

*#06#         IMEI
*#2254*#   Status register: C,BS,RR,MMI,CREAT
*#2255*#   activate and deactivate the "DEBUG CALL" -Mode;
                   when activated,make a call to busy line an the phone will display
                   some hex codes on the display
*#2558*#   the time in days, hours and minutes you are connected to the net
*#2562*#   not clear; the phone reconnect to the net
*#2565*#   not clear; warmstart ?
*#3333*#   (NO) blocking -list (15 items)
*#2377*#   "BEER" : not cler the phone waits a random time and reconnect to net,
                   sometimes make reset
*#3377*#   Init , Flags , SIM LOCK
*#3353*#   reset the (NO) BLOCKING list
*#7378*#   Name, Lenght,SIM phase
*#7489*#   Security Code
*#7693*#   you can activate and deactivate the Sleep Menu
                   (when deactivated the battery will go down!)
*#7787*#   not clear: Spurious Interrupt
*#7948*#   Switch Off: not clear: it is a timer or something
*#8463*#   Some information about the SLEEP MODE:
                  Wake, Sleep Req., Sleep

GENIE (TCD838)
*#2337*#   and it will be activate the beep signal
                   when the phone reconnected to the net.

FIZZ
*#8377*#   software version
*#1234#  or *#7489#   Security code
*#5644*#   software version (enlarge)
*#8377*#   simlock status

OZEO
*#5187*#   L1TR
*#3877*#   hanging mobile for a while
*#7826*#   master reset
*#7626*#   ?
*#7462*#   to SIM PHASE 2
*#7676*#   ?

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Fly Mobile Secret Code

M90 reset user code: *2100#
M100 software version: ####0000#
M110 reset user code: *2100#
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#
Enable COM port: *#110*01# -> Device -> Set UART -> PS Config -> UART1/115200

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Alcatel Mobile Secret Code

C820, C825, C700, C701, C707, C717, Elle-N3 set language to English: *#0044#
C820, C825, C700, C701, C707, C717, Elle-N3 set language to Russian: *#0007#
C820, C825, C700, C701, C707, C717, Elle-N3 set language to French: *#0033#
E101, E207 software version: *#4837*#
E101, E207 auto call test: *#2255*#
E101, E207 memory status:      *#6362*#
E101, E207 reset menu: *#7378*#
S520 factory mode: *#3228#
S520 engineer mode: *#364463#
S520 software version: *#837#
S520 auto test:         *#2886#
S520 clean test records: *#3872#
S520 restore default settings: *#73738#
S520 something unknown:         *#200709*01#

MASTERCODES:

Alcatel HD1, HE1: 25228353
Alcatel BE1,  BE3: 25228352
Alcatel BE4,  BE5: 83227423

*#06#                  Show IMEI & SW version
000000*              Entering in Engineering Menu1 (with SIM)
###874#              Reset to Factory Defaults (with SIM)
###765*02#        Add Barring Groups
###765*05#        Locking to Network
###765*07#        Unlocking from Network
###765*08#        Erase Network
###765*78#        Deactivate Barring Groups
0123456789        Menu2 Code - BE4 Menu2 - turn long CALL in Maenu1

*#0048#         Fast change language (Polish)
*#0049#         Fast change language (Deutsch)

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