I recently bought a used Samsung S8 but it always tell me that "NOT REGISTERED ON NETWORK" I have at several times tried to clear data on Sim Toolkit, Reset Network Settings and Factory Reset but nothing at the end. when i contacted the person who sold me the same phone, he just went to blame me for upgrading it to android 9.0 which i do not think is true. someone again told me that it could have been blocked by the manufacturer. please anyone to help me with the possible solution

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  • Have you tried to insert a working SIM card?
    – Robert
    Aug 26, 2020 at 12:20
  • @Robert yes, i have tried several times Aug 26, 2020 at 12:22
  • yes that's what it is saying NOT REGISTERED ON NETWORK but it keeps showing full network bars on the screen Aug 26, 2020 at 12:27
  • @Robert check my edited post Aug 26, 2020 at 12:34


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