Are you asking for a network unlock code? CE0168 is not the model name of your Nokia phone.
The free standing CE Mark can be used to identify Telecommunications Terminal Equipment
(TTE) that meets either the Low Voltage Directive, or the EMC Directive, or both.
This product carries the CE Mark, with the Notified Body Number
TTE, Notified Body, Name Country, Notified Body Number
NSAI, Ireland, 0050
DGT, France, 0165
IGT, Italy, 0166
HDTP, Netherlands, 0167
BABT, United Kingdom ,0168
TELESTYRELSEN ,Denmark ,0170
BZT ,Germany, 0188
DGT, Spain, 0341
COMLAB, Norway, 0436
IBPT, Belgium, 0468
So you need to specify the exact model of your Nokia phone to get an exact solution. Once you have found out your Nokia phone's model name, you can visit WickedUnlock.com
and get the accurate unlock code at affordable cost with an easy unlocking guide. Good luck.