How to fix OnePlus 6 won’t turn on issue

Hello Android fans! This article will show you the troubleshooting steps that you can do if you find your own OnePlus 6 unresponsive or unable to power back on.

Problem: OnePlus 6 won’t turn on after charging it overnight

I have OnePlus 6 that has been working fine since I purchased it three months ago. On New year’s eve we had a bad storm (not sure if it has anything to do with my problem), which we did lose power. No other phones or electrical devices were damaged or affected. The next morning I when to turn on my phone and it was dead, the phone was hot. The evening before I can the battery dead before I started charging it. I followed all of the troubleshooting recommendations on your site to no avail. I still have a dead phone and I am not sure what do do next. Up until this point I have not experienced any battery drain or other problems with the battery. HELP have OnePlus 6 that has been working fine since I purchased it three months ago. On New year’s eve we had a bad storm (not sure if it has anything to do with my problem), which we did loose power. No other phones or electrical devise s were damaged or affected. The next morning I when to turn on my phone and it was dead, the phone was hot. The evening before I can the battery dead before I started charging it. I followed all of the trouble shooting recommendations on your site to no avail. I still have a dead phone and I am not sure what do do next. Up until this point I have not experienced any battery drain or other problems with the battery. HELP.

Solution: Fixing an issue like this is not straightforward. There’s a number of factors to consider in order to know where the problem lies. Follow our suggestions below on what to do next.

Forced reboot

There may be a temporary bug that causes the system to freeze or become unresponsive. This can sometimes give the appearance that the phone has stopped working or not turning back on. To see if that’s the case, we suggest that you simulate the effects of a battery pull. On older devices with removable battery packs, an issue like this can be fixed easily by removing the battery. This is not possible for a OnePlus 6 though so you can only try simulate the effects of physically disconnecting the battery. Before you perform a forced reboot, be sure to leave the phone charging for at least 30 minutes. Afterwards, follow the steps below on how to force reboot the device:

  1. Press and hold down the Power button on the right side of the phone
  2. Hold the Power button down for 10-12 seconds, or until the phone vibrates and restarts
  3. If the phone turns off let go then press power again for 1-2 seconds to restart the phone

If your OnePlus 6 is still unresponsive after doing the steps above, continue holding down the power button for another 10 more seconds. Hopefully, this will force it to reboot. If not, proceed to the next troubleshooting step.

Charge using different set of cable and adapter

One of the common reasons why phone may fail to power back on is due to a charging issue. In this situation, your OnePlus 6 may have simply lost all battery power because it stopped charging. This charging problem may be the result of a defective charging cable or adapter. If possible, you want to get another set of official OnePlus 6 cable and adapter to try. If you can’t do that, try to visit the store where you bought the phone from and see if you can borrow their official charging accessories.

Check for screen issue

The next troubleshooting step that you want to do is to check whether the phone is totally dead, or if it’s a screen problem. This is done by looking for signs of life. If the phone makes sound notifications or vibrates when you try to restart it, those are signs that it’s not totally unresponsive. Or, you can try to call your number from another phone to check if your phone rings or vibrates. If it does show that it’s not dead but the screen stays black throughout, there must be a problem with the screen.

Restart to safe mode

Safe Mode is a separate software environment that is usually useful for technicians. It’s use lies in the fact that it suspends third party or downloaded apps from running. Technicians use this mode to check if they suspect that one of the downloaded apps is causing a problem in the system. If your phone turns on when restarted to safe mode, you can bet one of the apps is to blame.

To boot your OnePlus 6 to safe mode:

  1. Press and hold the power button in your OnePlus 6.
  2. Long Press power off button in your phone. You can see this message on the screen: Reboot to safe mode.
  3. Tap OK to enter OnePlus 6 into safe mode.
  4. Wait for your device to restart. After that you can see safe mode symbol at bottom left corner side of the screen

If you can successfully restart the phone to safe mode, that means that one of the apps is to blame. To identify which of your apps is causing the trouble, you should boot the phone back to safe mode and follow these steps:

  1. Boot to safe mode.
  2. Check for the problem.
  3. Once you’ve confirmed that a third party app is to blame, you can start uninstalling apps individually. We suggest that you begin with the most recent ones you added.
  4. After you uninstall an app, restart the phone to normal mode and check for the problem.
  5. If your OnePlus 6 is still problematic, repeat steps 1-4.

Charge using a PC

Sometimes, charging thru a computer is a good way to jumpstart an Android system. Make sure to try this trick if you haven’t done it at this point. Make sure to leave the device connected to your computer for a few hours to see if there’s a difference.

Try a portable charger [powerbank]

Aside from charging using a computer, you can also check how the device works when charged via a powerbank. If you have a powerbank, make sure to let the device charge for a couple hours.

Return software settings to defaults

If you are lucky and the cause of the problem is due to an unknown software bug, factory reset may help. Follow the steps below to refresh the system and set it up as a new device.

  1. Turn off the device. This is important. If you can’t turn it off, you’ll never be able to boot to Recovery Mode. If you are not able to shut the device off regularly via the Power button, wait until the phone’s battery is drained. Then, charge the phone for 30 minutes before booting to Recovery Mode.
  2. Reboot to recovery mode by pressing and holding (at the same time) the Volume Down and the Power buttons.
  3. When you see the OnePlus icon displayed on your phone, release all keys.
  4. Enter your PIN code if it’s asked.
  5. In recovery, use Volume Up and Down rocker keys in order to scroll within options and use the Power button to select your option.
  6. Select ‘wipe data factory reset’ and wait while the wipe is performed.
  7. Optional: choose ‘wipe cache partition’ followed by ‘wipe dalvik cache’.
  8. Return to main menu of recovery when done and choose ‘reboot system now’.

Repair

Should none of the troubleshooting steps above work, consider using your device’s warranty to have it repaired. It’s important to let a OnePlus Service Center do the job for you to ensure a guaranteed fix. As an end user, there’s only so much that you can do in this situation. If nothing changes after a factory reset, the most likely reason is hardware malfunction so it’s a good idea to let experts do the job for you.