Alcatel

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)