I have a tow unified number how change

If your inquiry is related to the unified number, here is the following information:
In general, every foreign person gets one unified number, but sometimes it may happen
System error and more than one unified number is recorded.
In that case, you must refer to the General Directorate of Residence and submit a request to merge all unified numbers into one number.
The following documents must be submitted:
A copy of the passport and a copy of the entry visa
If you have an old, expired or canceled visa, take that with you as well. You may need it at the Migration Service Center for reference purposes.