Help with a Warranty Claim

Good Day<br> <br> I am not sure what to do but my cell phone contract is new 5 months old a Sony Z3. Just stopped working, I have taken into the store to send for a warranty claim. The Service Adviser completed the documentation to send the phone for a warranty check. It took two weeks and I received a sms to be advised that the phone was beyond repair. (Device assessed: Physical Damage - Beyond Economical Repair.) I queried it further with the store and they advised me to contract them via email as they could not view the photo's etc. which were on the report. This I did and the report was sent to me with the detail, I feel they use a magnified glass to see the finest detail the eye cannot. The Store failed to make any indication of these items they are claiming like paint peeling and the phone bent, We never saw it. I did mention that the phone fell from the bed side table it had a damaged corner. The phone does not work at all, I am not getting any joy form the store or from the \Repair Agency"I would like to know what to do next"