PLEASE NOTE: these codes could be different for different versions of the P168
and may not work on others....
SERVICE CODES for p168
engineer mode: *#3646633#
Factory Mode:*#66*#
set English language: *#0044#
_______________________
*#1234# A2DP ACP Mode
*#1234# A2DP INT Mode
default user code: 1122, 3344, 1234, 5678
*#8375# Show Software Version
*#0000# + Send : Set Default Language
*#0007# + Send : Set Language to Russian
*#0033# + Send : Set Language to French
*#0034# + Send : Set Language to Spanish
*#0039# + Send : Set Language to Italian
*#0044# + Send : Set Language to English
*#0049# + Send : Set Language to German
*#0066# + Send : Set Language to Thai
*#0084# + Send : Set Language to Vietnamese
*#0966# + Send : Set Language to Arabic
*#06# - Show IMEI
*#87# - Auto Test
*#523# - Main LCD Contrast
*#33778# - Serial Number
*#035670766*001# - CTRL Buffer = 0
*#035670766*002# - Task DBG Mask = 197632
*#0048# & Send - Set Language to Polish
*#0086# & Send - Set Language to Simplified Chinese
*#0351# & Send - Set Language to Portugese
*#0385# & Send - Set Language to Croatien
*#0886# & Send - Set Language to Traditional Chinese
*#6810# - This code disables engin.mode DO NOT USE!