There’s a difference between a guarantee and warranty. You only have a guarantee for the first 12 months. The next 12, you have a warranty. It’s almost
Impossible to prove a warranty.
I’m in Europe in a country where it works like this (not sure about the exact numbers). Last time I exercised my consumer rights was when the bottom glass fell off my Samsung smartwatch. I handed it over to the seller literally one day before the end of the 24 month period. There were some remarks about it being almost too late, but I got it repaired for free. I’ve never had a seller dispute my warranty claim at any point of the two years. I’ve never had to prove anything.
Well, I guess you were lucky - legally the seller didn't have to repair it unless you proved that the glass fell off due to a manufacturing defect - just because they don't have to do it doesn't mean they won't(it's less hassle and I guess you left a happy customer not one that will go and write them a bad review).