How To Turn Off Android Phone Without Power Button. What can you do with developer mode in android? For my phone, it was to use volume up down to change menu selections, and the bixsby key to select.
How you turn on an android phone with a broken power button depends on what has happened. You have read how to turn on phone without power button. This should scroll it down to power off.
There is no guarantee that the phone can be turned on without a power button, however these are the best possible options you can try.
On a few android phones, you have to hold down the power button and both volume buttons (the up and down volume buttons). Most apps just turn off the screen, they don't power off the droid. Turn your screen on and off with these apps. Scheduled power on/ off feature.