To turn on an Android phone without Power button, put the phone in fastbooot mode using Volume Up+Volume Down and connect the phone to a computer. Download and install the universal ADB drivers on ...

How to restart an iPhone that has a broken power button? As is the case with Android phones, there are a few tricks that apply to iPhones that can help you turn off the phone without a power ...

A broken power button means your phone needs to be repaired, but here's how to power it on in the meantime.