About 9 months ago I flashed the custom ROM BlackDiamond on my Galaxy s7 edge Exynos. It all goes fine and device performance is best. But after around 5 months devices start freezing for 30-40 seconds and restarts itself. Then I tried lots of other custom ROMs but the issue still persists. Then I fall back to stock ROM. But still, the issue is there even in safe mode.
I really getting on my heads very badly because I have to use the phone for daily uses. It restarts when I am on the meeting, call, chatting, etc. Sometimes it freezes and restarts continuously after successful boot. Please help me out. What I have to do to get rid of this headache.
Thank you in advance.