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[Troubleshoot] Bought an used S8+. Sim card doesn't register.

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By w1cc, Junior Member on 10th September 2019, 08:45 PM
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Hi everyone, I recently bought an used S8+ (G955F). The seller didn't say it had any problems. I happily went home, inserted my sim card and turned on the phone. Entered the pin code. Then it all went downhill really fast. I will list my observations here (tried with multiple sim cards from different carriers, same stuff every time):
  • Signal - 1/4 bars when out of the city, 4/4 when in the city.
  • When sim is inserted and the phone is turned on pin code is required.
  • When trying to call anyone, Not registered on network error is shown.
  • When trying to send an sms to anyone, "Currently unable to send your message . It will be sent when the service becomes available" error is shown.
  • When pressing Select network operator automatically in network settings, "Unable to connect. Try later" error is shown.
  • When pressing Select manually, "Error while searching for networks" error is shown.
  • Internet not working as well.
At first I thought it was a demo phone, checked IMEI and baseband version - they were there, so I think it isn't a demo phone.
Could you guys help me out in troubleshooting this device? Could that be a software or hardware problem? Any help will be appreciated <3
11th September 2019, 09:14 PM |#2  
OP Junior Member
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Some things I forgot to mention
MM#6 error is present.
However, I checked and imei24, the phone is not blacklisted on both. Also it shows as unlocked. What is going on
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