I went there but without any inspection even they didn't took my phone in hand they simply said we have to change the motherboard. They also said that all Samsung m series and a series phone having the same problem So it's worthless to go there

I went there but even without touching my mobile they simply said that we have to change the motherboard of my device and all Samsung m series and a series mobile phone having the same problem

Tried many time but didn't get Wipe cache partition option