* C820, C825, C700, C701, C707, C717, Elle-N3 Set Language to English: *#0044#
Set Language to Russian: *#0007#
Set Language to French: *#0033#
* E101, E207
Software Version: *#4837*#
Auto Call Test: *#2255*#
Memory Status: *#6362*#
Reset Menu: *#7378*#
* S520
Factory Mode: *#3228#
Engineer Mode: *#364463#
Software Version: *#837#
Auto Test: *#2886#
Clean Test Records: *#3872#
Restore Default Settings: *#73738#
Something Unknown: *#200709*01#
