My phone getting restart automatically. I changed bettery, update software but issue didn't resolved. Now i think its a board (ic) prblmDid someone have board of s7. Do comment

 My devive getting restart during use and during in pocket. Plz someone tells me its solution i have s7 

I have Samsung Galaxy S7. The issue is my mobile getting restart everytime also its hang sometime when a notification comes. One time its hang for hours and hours on welcome screen.. then i have to force off it then start again... also its getting he...