CCTV PASSWORD PROBLEM

S.O.S  CCTV PASSWORD PROBLEM, DIFFICULT TO RESET, NEED HELP!

I try to use all default password but I can't remove and reset to factory default.

LIST OF PASSWORD:
LOGIN              PASSWORD
 admin               admin
 iwam                iweb
 111111             111111
 000000             000000

 TO ALL: 
      Please, I badly needed all of your help guys if you have the solution for this CCTV password problem...


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