Since it was an older phone and I was due for an upgrade anyway, the solution was simple: to replace my cracked iPhone screen, I simply bought a new phone. If your iPhone's screen is damaged ...
Packaged my phone up, and sent it off for repair. It was repaired ... LCD explains why a cracked, curved screen is generally more expensive than fixing an iPhone for example.” ...
The option to change and remove your lock screen functions is a great way to make your iPhone fit your needs, and I'm sure it will help stop people from accidentally turning on their flashlight.