LG 4 Optimus Manual

The LG 4 Optimus is a high-performance smartphone featuring advanced Android capabilities, quad-core processor, high-resolution display, dual cameras, expandable storage, LTE connectivity, and long-lasting battery. Below are key sections for safety, features, setup, operation, and troubleshooting.

1. Features at a Glance 2. Initial Setup 3. Specifications 4. Controls and Navigation 5. Connecting to Networks 6. Camera and Media 7. Accessibility Features 8. Care & Maintenance 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Touchscreen display, front and rear cameras, power/lock button, volume controls, microSD slot, USB charging port, headphone jack.

Feature	Description
Display	High-resolution touchscreen with multi-touch support
Cameras	Front and rear cameras with flash and auto-focus
Power/Lock button	Turns device on/off and locks screen
Volume controls	Adjusts media and call volume
MicroSD slot	For expandable storage up to 32GB
USB port	For charging and data transfer
Headphone jack	For audio listening
Home button	Returns to home screen
Back button	Navigates back in apps
Menu button	Accesses app options and settings

Initial Setup

Unpack and inspect contents. Charge device before first use.

Insert SIM card: Locate SIM slot, insert properly oriented SIM.
Insert microSD card: For additional storage capacity.
Power on: Press and hold power button until device starts.
Follow setup wizard: Select language, connect to Wi-Fi, sign in to Google account.

WARNING! Handle SIM and microSD cards carefully to avoid damage. Ensure proper orientation when inserting.

Specifications

Display: 5-inch HD touchscreen
Processor: Quad-core 1.2GHz
Memory: 2GB RAM, 16GB internal storage
Cameras: 13MP rear, 5MP front
Connectivity: 4G LTE, Wi-Fi, Bluetooth, GPS
Battery: 3000mAh lithium-ion
Operating System: Android with LG UI
Sensors: Accelerometer, proximity, light
Audio: Built-in speaker, 3.5mm headphone jack

Controls and Navigation

Access settings via Settings app or quick settings panel.

Physical buttons: Power/Lock, Volume Up/Down, Home, Back, Menu.

Display: Brightness, wallpaper, screen timeout, font size. Sound: Ringtone, volume, vibration, notification sounds. Network: Wi-Fi, mobile data, Bluetooth, GPS. Security: Screen lock (pattern, PIN, password), app permissions. Apps: Manage installed applications, clear cache, uninstall.

Connecting to Networks

Wi-Fi: Settings > Wi-Fi > Select network > Enter password. Mobile Data: Settings > Mobile networks > Enable data. Bluetooth: Settings > Bluetooth > Pair devices.

Ensure network coverage or Wi-Fi availability.
Enter correct passwords for secured networks.
Check data roaming settings when traveling.

Tip: Use Wi-Fi for large downloads to conserve mobile data.

Camera and Media

Supports photos, videos, music playback, and streaming.

Open camera: From app drawer or quick launch.
Take photo: Press shutter button; use flash if needed.
Record video: Switch to video mode and press record.
Play music: Use music app to browse and play files.
Gallery: View and manage photos and videos.
Settings: Adjust resolution, exposure, white balance.
Share media: Use share button to send via apps.
Backup: Enable cloud backup for photos.

WARNING! Do not expose camera lens to direct sunlight for extended periods.

Accessibility Features

TalkBack: Screen reader for visually impaired. Magnification: Zoom gestures for enlarged view. High contrast text: Improves readability. Closed Captions: For media content. Accessibility shortcut: Quick access to features.

Care & Maintenance

Use soft, dry cloth for cleaning. Avoid extreme temperatures and moisture.

CAUTION! Do not use harsh chemicals; keep away from water and dust.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
Device won't turn on	Battery drained	Charge for 30 minutes then try powering on.
No network signal	SIM/network issues	Check SIM insertion; restart device; check coverage.
Camera not working	App/permissions	Restart device; check camera permissions.
Slow performance	Memory/storage	Close background apps; clear cache; free up storage.
Overheating	Usage/environment	Allow device to cool; avoid direct sunlight; close intensive apps.

Reset: Settings > System > Reset options if needed.

Service: 1-800-243-0000; www.lg.com