What to Check First
- From the Home Screen, tap Apps > Settings > General tab > About phone.
- View the current software under Software version .
- Android Marshmallow, software version H81022f - Release date May, 2017 Android Security Update (2017-04-01).
- Android Marshmallow, software version H81022d - Release date March, 2017 Android Security Update (2017-02-01).
- Android Marshmallow, software version H81022c - Release date December, 2016 General maintenance.
- Android Security Update.
- Android Marshmallow, software version H81021y - Release date July, 2016 General maintenance.
- Wi-Fi Calling updated.
- AT&T Advanced Messaging updated.
- Android Marshmallow, software version H81020n - 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 AT&T - H810 SOFTWARE UPDATE?
From the Home Screen, tap Apps > Settings > General tab > About phone.
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.