Happened to one guy in my office as well. Small scratch and rejected. He was like pissed off, and decided to give away phone to maid servant or something.
FK is run by idiots for sure. Try getting a girl to exchange and should go through like butter!
Its not like its going to occupy a whole lot of space.
If you go with ISP provided routers, they are usually crap. Additionally, I doubt most ISPs except Jio will provide fibre modem, they will give a GPON media converter instead. So still you will have 2 boxes.
Get her a touch phone. My mother initially refused touch - this was the Pantech Burst days, she wanted some Nokia feature phone because uncle was using it. Now using RN4 (after upgrades - Burst > Redmi 1S > RN4) and very happy.