I am still not receiving messages from my match, Is my account banned? I didn’t do anything wrong how do I get back to messaging my match? I haven’t been receiving notification sounds in a while let me know what’s going on.

. Check your Mingle2 AC Setting an update it, as sometimes the notifications doesn't response or it late. Rest if a match is replying you back you will surely receive.

Wait for experts help or Larsi Sir

If a match does not respond, it could mean, she is not interested in you. Matching is only generated by the system, based on common interests. But there is no obligation to respond.

Or she had been deactivated.

I don't think so. All my matches so far have been profiles showing attractive faces.

Faces can be decieving though ...

1. No reply IS a reply.

2. "She's deactivated for some reason.

3. "She"'s actually a twelve year old who's mother found out what "she"'s been doing on the basement computer all those hours.

4. "She"'s a scammer who got tired of asking you for gift cards and not getting them and decided to move on to another target.

I go with 3rd option.

Sorry..
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5. "She" may not a "she".

Of course they are most probably for deception. Not a single one dared to show live one's face.

If I get mingle-plus will I get messages from other users faster without waiting for a long time?

Mingle plus has nothing to do with how long it takes for someone to reply to messages . There is no mingle law that tells someone they have to reply within a time frame .
You will get messages as and when and if someone sends you one . If they haven’t sent you a message then you are not going to get one . No one is under any obligation to send you a message

If people are interested, they'd reply. Paying does not mean more people would be messaging you.