required beforehand: a prerequisite fund of knowledge. something prerequisite: A visa is still a prerequisite for travel in many countries.
This can get a little pricey -- an iPhone 6 screen repair kit costs about $150 -- but it is cheaper than buying a new phone altogether. Of course, not all of us have the skills or time to fix our own phone screens.
Depending on the type of iPhone that you have and repair service you use, the costs of iPhone broken screen repair are going to vary anywhere from $50 to as much as $270 to have the glass repaired. Generally, the older the model is, the less it is going to cost.