First and foremost, to prevent you ever needing to replace any parts of your Blackberry, you should do your best to keep yours safe and well protected. After all, it did cost a great deal of money to buy, there is no doubting it will cost a lot of things to repair as well. The most you can do for your phone is in order to have a proper casing for it from any Blackberry accessory shop. In fact, this’s the first thing you should do because minor damages such as scratches, chipping, dents and smudges are pretty much inevitable so with a good durable casing you should be in a position to prevent all of that. Also, you can help minimize damage to your phone if it falls or gets hit my something.