We fix cracked back glass for all iPhone models, Apple introduced glass back starting from iPhone 8 and up to add wireless charging to there devices. We use laser machine to remove the broken glass to offer fast and affordable glass repair, with laser repair time is around 1.5 hours.
After replacing the back glass on your iPhone still the wireless should work like normal.
Time to fix any iPhone back glass is in between 1 hour and half to 3 hours, it depends on model of the phone.
It is highly recommended to replace as soon as possible, if you give more time than the dust or liquid can damage many other parts.
We are not working on software, we are working only on hardware of your phone, 99% there is no chance of loosing any information from the phone . But still we highly recommend all our customers to do backup for safe side.