Wouldn't recommend quick mobile fix. Bad service f...

Wouldn't recommend quick mobile fix. Bad service from start to......would say end, but never got that far. This is in reference to a HTC One M8 (can't comment on their repairs of other makes of mobiles)
Firstly, they say they pay for cost of postage by emailing you a postage sticker. I never got this, I paid for a tracked delivery. Never refunded or taken into account.
Device was "repaired" and the bill was double what the quote was. The phone was then posted back to me, to the wrong address. Luckily the road they posted it to doesn't exist in my town and my postman isn't an idiot. This delayed the delivery though. The phone screen didn't work. The bottom inch of my screen didn't respond to touch. The speaker covers around the screen were also dented and bent and the screen wasn't flush with the phone. You could pick at the edges with a finger nail and see light around the edges. It looked awful.
Also, my "keepsafe" app had tried to be opened. It's pin locked. As many attempts as staff tried, it locked me out for 4000 odd hours! Privacy should be paramount! If you want to see me naked, just ask.
The phone was sent back to QMF, again, I paid for the postage. Another tracked service. Quick mobile fix had the mobile for two days and then returned it, which took another two days and couldn't send me the correct tracking number, no matter how many times I asked. I was told the device was repaired again and tested. It wasn't. I still had a dodgy screen.
They have offered to have it again but if after two attempts, and having to pay my own postage, I don't want them touching it. I've put up with the phone doing its own thing for a month (the screen often got stuck and just typed a load of random letters or closed and opened apps) Having to rotate it just to be able to type certain letters and not being able to answer phone calls. It's now a very expensive dog toy. I have never offered refund for their incompetence. They have said they use grade screens, what ever that is, but as far as I'm concerned, they are cheap, very fragile screens.