Motorola Solutions — complaining abt service centre

Address:	Tumkur, Karnataka, 572101
Website:	Moto service status

I am prajwal i am from karnataka tumkur, i had given my moto g4 + phone to slans communication tumkur it is athoraised service centre, i had given my phone for head phone jack problem but after few days when they returned my phone it was automatically switch offing at itself when i asked them abt this they told that they will change the mother board after few they gave me changing the mother board but they had damaged my phone finger print scanner when i asked abt that issue they are telling that i only done that one, they had kept my phone nearly 2 months and telling that i damaged the finger print scanner, till now they had not given my phone and another one thing is they are not trained service mens so please i am requesting u all to do my phone correct or give me another phone i think they had opened my phone atleast 5 to 6 times,
So please repair my phone as good one and new one or give me a new phone.