Microsoft — lumia 950 xl getting switched off on regular basis

Address:

Kollam, Kerala, 691303

Dear team.

My concern is that 4 months back i started facing a serious issue with my lumia 950xl. At that time my handset was just 11 months old and it was under the warranty. The issue was my phone often gets restart or it will got hang. It usallu occurs when i open cam or when a call comes. That time it got hang so i need to remove the battery. I noticed it happens usally when my lumias battery is below 50%. So i took it to the customer service they said it happens due to error in software so they reset and update the software and they have charged me also. For one week it was fine but after that its happens regularly. Now i am too much worried i bought this branded phone for 55 thousnad indian rs and i hardly use it for an year. Now almost for 4 month i am visiting service center every time they reset and updated software and charging me. But nothing is happening my phone is still having the same error. Please help me rectify the error or guide me the right service center where i can get good service in kerala. My all works are scheduled with this microsoft flagship so i dont want to miss the sail in thos flagship. Kindly help me.