What to Check First
- Software Version History.
- From the Home screen, tap Apps > Settings > General tab > About phone.
- View the current software under Software version .
- Android 6.0 Marshmallow, software version H81120x - Release date December , 2017 Wi-Fi Calling Fix.
- Android 6.0 Marshmallow, software version H81120v - Release date May , 2017 Android Security Update (2017-04-01).
- Android 6.0 Marshmallow, software version H81120r - Release date January , 2017 Android Security Update (2017-01-01).
- Android 6.0 Marshmallow, software version H81120q - Release date December , 2016 Android Security Update (2016-11-01).
- Android 6.0 Marshmallow, software version H81120p - Release date October , 2016 Google security patches.
- Android 6.0 Marshmallow, software version H81120o - Release date July , 2016 Google security patches.
- Android 6.0 Marshmallow, software version H81120i - Release date February , 2016 Android 6.0 Marshmallow Software Update.
Why This Can Happen
Symptoms can have more than one cause, and the correct steps depend on the exact model, installation and operating conditions. Use the checks above to narrow the issue before service.
Safety and Model-Specific Guidance
Stop troubleshooting if you notice burning, electrical damage, unsafe heat, gas odor, refrigerant concerns, or water near electrical components. Follow the official LG USA instructions for your exact model.
Frequently Asked Questions
What should I check first for LG G4 - H811 SOFTWARE UPDATE?
Software Version History.
When should I stop troubleshooting and contact LG?
Stop if the product shows signs of electrical damage, burning, leaking near electrical components, or if the recommended checks do not resolve the issue. Use LG USA support for model-specific service guidance.
Does this guidance apply to every LG model?
Not always. Controls, error codes and service steps can differ by model. Confirm the exact model number and follow the linked LG USA article for model-specific instructions.