When iPhone 11 back cover glass cracked, we can use the laser separating machine to replace the back cover glass, to recover the back cover with easiest and fastest way.However, what if its metal back housing itself is broken or distorted? If you didn't have the back housing correction tool or it is distorted too badly, to assemble all the buttons and flexes back into a new back housing is the only way to fix this problem.Now let's check out the complete tutorials.