Apple will release a new iPhone with Red Bumper

Bumper, Apple issued an accessory, the main role is to enhance the signal for the iPhone, also known as "signal circle. It is reported that Apple will be issued a red Bumper, the product in Apple's system library was named as "red".

We all know that on the 12th of next month, next-generation iPhone will be released, so this red Bumper will apply to the brand new iPhone. Bumper the birth in order to solve the signal problem was the iPhone4, do the next-generation iPhone will be a signal problem?