Sticking film is to protect the phone's touch screen. Any people who loves their phones will stick film. 1. High-definition film is thin, and the visual effect is good. However, it is easily scratched; 2. Frosted film is also thin, but its visual effect is not so good without fingerprint; 3. Tempered film is thinner, and its visual effect is good and resistant to scratch.
Yes, it is. 1. The gardness of iPhone glass is larger than fingernails and metals like keys, so these things scratch it. 2. Many components in dust and sand wind, such as quartz, is harder than the glass. For example, if some grains of sand containing quartz in your hand, they will cause permanent scratches to the iPhone glass. 3. In terms of the service time, the mobile phone is a durable product, but after 2 or 3 years, you will buy a new one. 4. Therefore, if you use it carefully and do not mind scratches, you need not to stick film, otherwise you had better stick film.