>if you tried to screw in a phone back plate with 4 screws You don't think Apple or Samsung can afford more screws? >They already have found a way to tightly

>if you tried to screw in a phone back plate with 4 screws You don't think Apple or Samsung can afford more screws? >They already have found a way to tightly and reversibly seal a phone, which allows for repairs of components and is low cost. It is called glue and pretty much the optimal way to seal a phone. Have you been paying attention to anything written on this thread? We don't need phones to be sealed with glue for water resistance as that's just a forced obsolescence design choice.