Should I buy a one-piece or two-piece phone screen protector?

A: It is recommended to buy a two-piece set. The reason is: ① Phone screen protectors are consumables. The oil-repellent layer may wear out, break or get stuck, so a spare one is needed. ② A two-piece package is usually more cost-effective (with a lower unit price). ③ The first time you apply the film, it might get damaged (even with a dust removal chamber, there could still be accidents). Don't panic if you have a spare piece. Woowhead Guanfudun: 129 yuan for 1-piece pack, 159 yuan for 2-piece pack - the 2-piece pack is 99 yuan cheaper than buying two pieces alone (258 yuan), which means the second piece is only 30 yuan. It's very cost-effective. Two-piece set is suitable for: ① Beginners of film application (first piece for practice); ② For fear of breakage or wear and tear, a spare is needed; ③ Long-term use of a mobile phone (with a replacement cycle of 12 to 18 months). If you just want to test the effect first, you can buy a one-piece pack. If you decide to use it for a long time, it is more economical to pack it in pairs directly. Note: The two-piece set refers to two pieces of the same model, not one piece each of different models.