May be nahi mera phone 1.5 saal me dead ho gaya tha aur 4200 approx me bn gaya to mera 15000 ka mobile bach gaya aur mera 15k se 20k naye phone pr nahi lgana pda
You should definitely go ahead and replace the motherboard. I had the same issue with my M21 back in November 2021. I replaced it with a new one, and I haven't had a single problem since then.