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De grotere versie van Samsung's nieuwste smartphone, de Samsung Galaxy S8 Plus. Uitgebracht in April van 2017.

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IMEI number as "unknown"

So, I got my hands to a Samsung Galaxy s8 plus. I flashed it to the “normal” ROM, and now it’s working as a normal phone but the cellular service just doesn’t work. Do any of you know a way to get it working?

Thanks!

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Is it a live demo phone or a retail model? If it’s a demo model it’ll have all of the hardware but the baseband, so it cannot make phone calls and naturally lacks an IMEI number.

If this is a retail phone with a baseband, someone changed the IMEI and got the procedure wrong. This isn’t something most end users can fix, so the phone part is usually considered “dead” when they get this wrong. It is possible to recertify the IMEI and restore it, but the certificate and IMEI data both need to match and it’s probably long gone. I’m not going to find or post any links on how to do this (I don’t want to have to answer if my answer is used to resell a stolen phone). If you know how, you know where to start. If you don’t know what JTAG or ADB stands for without using Google, you’ll kill the phone, or any window to “recertify” the device’s IMEI and fix the issue!

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This happened to me two days ago. I installed a wrong firmware and my phone lost IMEI number and baseband. You should search for csc code. You can find it in download mode. Then go to sammobile or any other website and look for correct firmware that matches your build number. Search using your csc code ( region of galaxy s8 model). Once you download the firmware. Install it using odin. And use non home csc file. It will wipe your data. But you'll get your IMEI number back.

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Can you please elaborate the entire procedure of getting back IMEI in samsing s8 plus . My samsung s8 plus is working fine except showing IMEI as unknown and No Sim signals.

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Petri zal eeuwig dankbaar zijn.
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