As no technology is perfect, even iPhone and iPad at some point break their promise. If you are using the power button to turn on the device, and still there is no response from the phone, then do not worry. You can probably reboot the phone again! Learn the following 4 tips to know how to fix "iPhone won't turn on" problem.
1 Charge the iPhone
It can be a dumb move, but at times, iPhone does not respond because the battery died. In many cases, iPhone displays “low battery” indication when you turn on the device when it has little power left in it. Connect your iPhone to the wall charger and set aside for at least 15 minutes. The device will restart once it receives the charge.
2 Hard Reset the iPhone
Hard reset sometimes helps in rebooting the device. You can perform this action by holding the home button and power button together until you see the Apple logo on the screen. Once the logo appears, your iPhone restarts automatically and in normal mode.
3 Restore the Device Using iTunes
As the device is not responsive, you can use iTunes to restore it back to the original state. Open iTunes, connect the device to the system. Press and hold the Sleep/Wake and Home button for at least ten seconds, Don't release when you see the Apple logo. Keep holding until you see the recovery mode screen. You will see a message, which indicates that iTunes detected a device and requires restoration. From the iTunes window, click “Restore ”. It will erase the iOS and reinstall it with the latest version.
4 Fix "iPhone Won't Turn On" without Data Loss QuicklyiMyfone iOS system recovery is a iOS system recovery tool, which helps in fixing the iPhone system iusses such as stuck in black screen, white screen, stuck in recovery mode etc without causing any data loss.
Steps to turn on your abnormal iPhone
Step 1: Install and start iMyfone iOS system recovery application. Connect the phone to computer. Once the application recognizes the gadget, press "Start."
Step 2: You need to download the new firmware. The best thing about iMyfone iOS system recovery is that it will recognize the gadget and permits you to download the most recent update reasonable for it. You should simply click "Download". Allow it to complete downloading the firmware.
Step 3: iMyfone iOS system recovery will start repairing your phone after finishing the download. Once fixing is complete, your iPhone will restart and functions normally.
Download the trail version of iMyfone iOS system recovery now.
If the methods explained above did not work, then it is the time that you make a visit to the Apple Store to solve the issue.