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OnePlus 3 or 3T Problems and fixes

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Problem: Device randomly restarts

Official solution from OnePlus:

  • OxygenOS 3.2.4 included a fix for this issue, but if the problem persists, or comes back afterwards, your best fix is to update to OxygenOS version 4.0.2, which further improves system stability, or to the latest version of OxygenOS, which is version 4.0.3 for the OnePlus 3 and 3T.

Potential solutions:

  1. Drain your OnePlus 3 or 3T battery until it won’t turn on. Leave it for up to 10 – 15 minutes, then plug it into its original charger until the battery is fully charged.
  2. You can try a factory reset and start over from scratch. Do this by going to Settings > Backup & Reset > Factory data reset > Reset phone > Erase everything. (Once you do this there’s no turning back.)
  3. Your final option is to reach out to OnePlus Support to get your phone repaired or replaced.

Issue: Unable to update your OS

OnePlus 3 or 3T Users on the OnePlus forums have been unable to update their devices using the usual method of downloading the update over Wi-Fi. Attempts to get the new software over Wi-Fi seem to result in failure, or the phone just boots into recovery mode.

Potential solutions:

  1. This may sound silly, but turn your device completely off, then turn it back on and retry the update. Don’t reboot. Shut your phone down then turn it on again.
  2. You can install OxygenOS updates manually by downloading it to your PC and connecting your device to your computer using a USB cable. OnePlus has clear, step-by-step instructions on how to update your device using this method, which you can find on the OnePlus downloads page.

Problem: Device overheating or becomes hot while charging

Potential solutions:

  1. Restart your phone and continue using it normally to see if it gets hot again.
  2. An app constantly running in the background may be causing the problem. Be sure to close any apps that aren’t needed, or ones you’re not currently using. Do this everytime you turn your screen off.
  3. If the problem started after installing new apps, the new apps may be the cause of the issue. Delete them one by one to see if your phone’s temperature changes during regular use.
  4. If your unit gets hot while charging, the easiest thing to do is to stop using it while it charges. This makes sense, we usually do this from time to time.
  5. The OnePlus 3 has a feature known as Dash Charge, which is meant to charge your device quickly but keep the phone cool. However, the feature only works with the Dash Charger Adapter, which costs $20 on the OnePlus website. If you think the charger your device came with is the culprit, consider replacing it, or get the Dash Charge Adapter.
  6. The fingerprint sensor has also been said to be the culprit, especially when your smartphone is placed within a pocket. The sensor continues to search for a fingerprint while in the pocket, assuming the screen is facing your leg. A quick solution is to turn the phone around before popping it in your pocket. Buy a flip case, it can also eliminate the problem.
  7. If you don’t use the fingerprint feature, just turn it off. 🙂

Annoyance: Device doesn’t auto-rotate

Potential solutions:

  1. Turn your phone off and on again to see if the problem fixes itself. Don’t just reboot.
  2. There are some apps on the Google Play Store like GPS Status & Toolbox that will allow you to see if all of a devices sensors are working, and re-calibrate them if necessary. Similarly, there are apps like Rotation Control that let users control and adjust the screen orientation, as well as prevent other apps from changing it.
  3. If the problem continues, reach out to OnePlus Support to get a replacement smartphone.

Issue: Can’t connect to Wi-Fi

Potential solutions:

  1. The easiest thing to try is turning your phone off and on again and seeing if the connection works or improves. You should also try restarting your router, if restarting your phone didn’t change anything.
  2. Go to your Wi-Fi settings and remove or forget the network you’re currently connected to, or trying to connect to. Then, enter the required details again to retry the connection.
  3. OnePlus Support has two additional suggestions, following the release of OxygenOS 4.0.3:
    • If you experience frequent Wi-Fi disconnections, please go to Settings > Wi-Fi > Configure Wi-Fi. Scroll to bottom of the page and check the IP address format (IPv4 = Single line, IPv6 = Multiple lines). If the IP address is IPv6 based, then turn off the IPv6 Support toggle and see if the disconnections stop.
    • If you experience frequent Wi-Fi disconnections while switching between Wi-Fi and data, please try turning off the Smart Wi-Fi Switcher in Settings > Wi-Fi > Configure Wi-Fi and see if the disconnections stop.
  4. If your device is constantly trying and failing to find a network connection, go to Settings > Mobile Networks > Network Operators and manually choose a network. This may also reduce your phone’s battery consumption.
  5. Head into your settings and disable Power Saving Mode, which affects your Wi-Fi performance.
  6. Go to Settings > About Phone and locate the device’s MAC address and make sure your router allows it.
  7. You can also try performing a factory reset if nothing else has worked for you — some have managed to alleviate their Wi-Fi issues after doing this. Back up your data first, then go to Settings > Backup & Reset > Factory data reset > Reset phone > Erase everything.

Problem: Camera app doesn’t work or basic functions are unresponsive

Official solution:

  1. Previous updates to OxygenOS, such as update 3.2.1 for OnePlus 3, and update 3.5.3 for the OnePlus 3T added improvements to various aspects of the camera app. The most recent update for both smartphones, 4.0.3, contains even more improvements. Specifically, “increased stability of the Camera app,” and “optimized exposure when taking night time photos.” Consider updating to version 4.0.3 if your camera isn’t performing to the best of its ability.

Workaround:

  1. There are tons of alternative camera apps you can download and use on your OnePlus 3/3T, such as Open CameraCamera MX and Snap Camera.

Potential solutions:

  1. Wiping the cache partition. You can do this by turning the phone completely off, then turn it back on while pressing and holding the volume down button until the phone vibrates. Your phone will start in Simple Recovery mode, and you’ll need to use the volume buttons to navigate to the Wipe Cache Partition option and the power button to select it. Once the process is done, you’ll be told the cache wipe is complete then reboot.
  2. Perform a factory reset, then test the camera again.
  3. Reach out to OnePlus support, as it may be a hardware issue you’re ill-equipped to deal with.

Problem: Screen timeout doesn’t turn off display

Potential solutions:

  1. Restart your device. (Reboot)
  2. Go to Settings > Display > Screen timeout and change how much time should pass before the screen is turned off.
  3. Clear the cache after updating – Turning the phone off, then turn it back on while pressing and holding the volume down button until the phone vibrates. Your phone will start in Simple Recovery mode, and you’ll need to use the volume buttons to navigate to the Wipe Cache Partition option and the power button to select it. Once the process is done, you’ll be told the cache wipe is complete.
  4. Try a factory reset.

Enjoy!

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