My so called "friend" is acting very weird, he seems to know more about my life than he should and he is know to do this in the past. Plus, file anyone who has no cell phone, all of a sudden he is able to use his phone outside of wifi
I think you misunderstand "cloned". It can't provide service to a phone without.
It requires physical access to your phone and all the activity on the clone would show up in your phone records.
Suddenly using twice as much data, phone calls and text in the log you didn't make? No? Then not cloned.
I do apologize that you are going through such a situation. Seeing that your friend is acting this way, have you asked what was going on? Unless you are experiencing double data usage or unknown calls and text in your call logs, I would not be worried about the device being cloned.
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