Film sticking after full edge wrapping

Applicable brands: apple / apple
Material: hydrogel film
Film type: rear film
Film features: anti fingerprint, anti scratch, high definition
Color: back film, water coagulation film, transparent soft film
Dimensions: for iPhone 6, for iPhone 6S, for iPhone 6 plus, for iPhone 6S plus, for iPhone 7, for iPhone 8, for iPhone 7 plus, for iPhone 8 plus, for iPhone x, for iPhone XS, for iPhone XR, for iPhone XS Max