hi, im facing same problem as urs.
im using note 5, seller also signed for zerolution plan. went to Ssamsung and also Maxis (yesterday).
they wont unlock it and also wont give the "owner" contact number....
this is duos sim , my slot 2 still able to use just cannot use slot 1.
seek for u all helps, if u have any idea/information to unlock the imei plz share to me.. now i hv 2 sim but cannot use in Note 5... sad...
thanks for your topic, share this information to others dun let those CHEATER keep sign zerolution plan and sold to us end up x bayar and imei blocked.

++ my phone still under warranty until coming Feb 2017 lolx

This post has been edited by histryyorn: Nov 4 2016, 10:45 AM

sadness.... couldn't find back the seller.. i swap phone with a Mxlxy guy with my S6 edge plus around april.. that time...until recently bought another number baru realize x boleh use..

ya slot 2 still can use, consider lucky? not faith to buy from mudah ady ....