Sony Z3 compact

I have a Sony Xperia Z3 Compact that I got through FNB in May. The screen has recently started detaching.I called FNB to assist as I got it through them, they told me I should contact SSS cellular as they are the only Sony Authorised dealer to fix it. I was also advised that they would Collect and deliver. SSS say they don't do that locally and I have to bring it to them in the East rand. I called FNB again to assist and spoke to Stephanie Sons ,Retail and Distribution Team Leader and Fiona Marie Somasundram who is Team Leader |FNB Smart Device Operations Retail and Distribution and they are all telling they can courier but at a fee of R440.I told them I am being inconvenienced and they should have communicated this to me when I bought the phone.I called Sony and they also told me only SSS cellular would be able to help, I spoke to Ezra there REF: ***, they also don't offer courier service and it's my problem. I am disappointed with FNB and their after sales experience. I am a client and they tell me about some process.I am disappointed with Sony for their ****py phone. Don't buy devices from FNB, the sales pitch is great, the after service is ****. Don't buy the Sony