Some people buy the iphone 4 casing without consider if the case enough to protect their phone from scratched or damaged. There are many different brand and kind of iphone 4 cases in market. But most people choose the iphone 4 casing base on the appearance at first, and secondly is the price and lastly is the protection. They always neglect the degree of protection. Many people really don't know the truth, In some condition ,the iPhone 4 without case is better than that with a case. Why?
Some iphone case manufacturers only consider how to make the iphone case in maximum quantity with shortest time and choose some cheaper cost of raw materials. Even more worst if those case is not QC frequently. So the result is the case itself doesn't too smooth and too fit in size for the iphone. Then some dusts and dirts may enter into the case and cause the scratched on the iphone during friction between case and iphone.
You can find the capacitive stylus here for your iphone or ipad.