Mtn phone not unblacklisted in 3 weeks

I recently had my mobile device taken from my vehicle. On claiming for this device after theft and blacklisting device wih an itc number etc, I was told that there was no forceful entry to my vehicle and my claim was rejected. Unfortunately as ****ed off as i was, i could not argue that my vehicle was unlocked in my yard and the phone was taken from the car. To my surprise my helper at home came to me sobbing that evening and returned my handset apologizing profusely for her son having taken the handset from my car earlier in the day. This happened on the 24th August 2018. I then had to contact Mtn and request for the handset to be unblacklisted. I was told to get an affidavit and certified copy of ID which i did and to date my handset is still not unblacklisted. I am a medical doctor and have a range of important documents on this handset a Samsung galaxy S8. I have made numerous phone calls to Mtn and keep getting told that the phone is pendin unblacklisting. This is going on for 3 weeks. Does a handset really take that long to be unblacklisted. Can someone competent PLEASE ASSIST ME URGENTLY. Most staff at MTN call centers are completely *********** and its ridiculous that i have to keep explaining this incident in my 100 phone calls to the call centre. I’ve asked to speak to a supervisor numerous times and my request is ignore... SOMEONE PLEASE ASSIST ME!