Samsung — Samsung galaxy m31 motherboard

Address: 9, SONACHALAM STREET

My samsung galaxy m31s is last month he showing update your phone latest version I also updated the phone he updating 75% and then phone is automatically switch off and restarting and switch off automatically and then finally hanging the phone and stopped., next day I will go to samsung service center (salem city, tamil nadu) and the that machanic telling this software problem I will put software and then you use ., I waighting and then he telling this is motherboard fault you must change phone will ready ., I will argue the machanic I bye the phone 2020 October how the sudely faulty ... I asking phone is normally working that good condition you release the new version update I will update the phone therefore the phone will be going faulty condition...