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Original topic:

CONNECTION ERROR OR INVALID MMI CODE

(Topic created on: 14-09-2022 07:08 PM)
meg1953
First Poster
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Galaxy A Series
Hey y'all

Has anyone come across this error message?
I installed a new SIM a week ago and the message is coming at me every 30 seconds....arhhhh.

I have had the new sim in 2 different Samsung models and exactly the same message appears on both phones.

Google says this is a common problem easily resolved (ha)....I have tried several of the suggested fixes....Restarting, Shut down, Reset network, Clear Cache , Soft Reset,.
The next fixes are to Modify Prefix (put a comma in front of the Prefix) or Activate radio turning on IMS over SMS.. .. I have no idea where to start with those.

I have spoken with 'Technicians '...that have just wasted my time.

Can anyone help?
Cheers
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2 REPLIES 2
Neo001
Big Cheese
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Galaxy A Series
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keith30
Helping Hand
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Galaxy A Series
Buy another sim as that one sounds like it's faulty if you tried it in other phones with the same message appearing.
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