This is a manufacturing defect of exynos 9611 soc and a quality control fault of Samsung They had provided free repair to many users but now it has become widespread https://r2.community.samsung.com/t5/Tech-Talk/Auto-Restart-Brand-solution/td-p/10333335 Follow the above steps in the post, if they deny, then ask for discount and be adamant that the update has damaged your phone, tell them you will file complaints in consumer forum
Thank you for sharing your concern. We acknowledge your query and apologize for the same. And please follow the easy troubleshooting steps which might help to solve the issue. Kindly use a genuine Samsung charger.
Note: We always recommend using a genuine Samsung charger for charging your device. There are two methods to disable the auto-restart function Method 1
Please follow the below steps: Step1: Navigate to the app's screen and tap on Settings. Step2: Tap on General management. Step3: Tap on Reset. Step4: Disable Auto restart (if enabled). Step5: Auto-restart disabled.
Please follow the below steps: Step1: Go to "Settings" Step2: Tap on "Battery and device care" Step3: Tap on Three dots Step4: Tap on "Automation" Step5: Disable "Auto-restart at set times" if enabled
In case the issue still occurs. Please register your concern in Samsung Members Application (Open Samsung Members Application > Get help > Send Feedback >Error report).
Thank you for writing to Samsung. Warm regard, Samsung customer support
