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.
Purchasing a New Screen. The cost of a new screen will depend upon several variables, including what type of phone you have and where you purchase the screen from. For instance, at some online parts stores, Nokia LCD replacement screens are about $15 while iPhone replacement screens run closer to $50.