"I am experiencing network-related problems on my phone, including frequent call drops, poor internet speed, and other connectivity issues. Kindly look into the matter and resolve it as soon as possible."

My device is s25 ultra march 2026 security patch installed,When i open secure folder and i use it for some minutes the Phone automatically goes switch off and then it stuck on logo ( where it shows powered by android and it took almost 5 8 minutes to...