We'd already dropped a guide on how to identify a fake / cloned Samsung Android phone. If you missed the guide then refer to https://www.hovatek.com/blog/how-to-iden...roid-phone .
If you (intentionally or unintentionally) end up with a cloned Samsung Android phone and have bricked it, this guide will teach you how to fix / resolve the issue.
Is my Samsung Clone a Mediatek or Spreadtrum Android phone?
There are applications you could use to verify your Android phone's specs like Antutu Benchmark, CPU-Z etc. If the phone is bricked, it might not be able to boot up. In such a case, you can confirm what kind of chipset is powering the phone by launching Device Manager and connecting the phone to the PC while switched off. If it gets detected as ***Mediatek*** then its a Mediatek (MTK) phone. If detected as ***SCI*** then its a Spreadtrum (SPD) phone.
How to unbrick a Samsung Clone Mediatek Android phone