LG 4 Smartphone Manual

The LG 4 Smartphone is a high-performance mobile device featuring a 5.5-inch HD display, quad-core processor, 13MP rear camera, 5MP front camera, 4G LTE connectivity, 32GB internal storage (expandable via microSD), 3000mAh battery, Android operating system, fingerprint sensor, and various connectivity options including Wi-Fi, Bluetooth, and GPS. Below are key sections for safety, features, setup, operation, and troubleshooting.

1. Features at a Glance 2. Getting Started 3. First-Time Setup 4. Specifications 5. Controls and Navigation 6. Connecting to Networks 7. Camera and Media 8. Accessibility Features 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 5.5-inch HD display, Power button, Volume buttons, Fingerprint sensor, USB-C port, 3.5mm headphone jack, SIM/microSD tray.

Feature	Description
Power button	For turning device on/off and screen lock
Volume buttons	Adjusts media and call volume
Fingerprint sensor	For secure device unlocking and app authentication
USB-C port	For charging and data transfer
Headphone jack	For audio listening with wired headphones
SIM/microSD tray	For SIM card and expandable storage
Camera button	Quick access to camera functions
Home button	Returns to home screen
Recent apps	Shows recently used applications
Back button	Returns to previous screen

Getting Started

Unpack and inspect contents. Remove protective films.

Insert SIM card: Use ejector tool to open SIM tray, place SIM card properly.
Insert microSD card: Place in same tray for additional storage.
Charge device: Connect USB-C cable to charger and device.
Power on: Press and hold Power button until LG logo appears.

WARNING! Do not force SIM tray; use proper ejector tool. Keep away from water and extreme temperatures.

First-Time Setup

Power on device; follow on-screen setup wizard.

Select language: Choose preferred language (default ENGLISH).
Connect to Wi-Fi: Select network and enter password.
Google account: Sign in or create new account.
Set up security: Configure fingerprint, pattern, PIN, or password.
Restore data: Option to restore from backup or set as new device.
Agree to terms: Accept privacy policy and service agreements.

CAUTION! Keep device charged during initial setup process.

Specifications

Display: 5.5-inch HD IPS LCD
Processor: Quad-core 2.0GHz
Memory: 3GB RAM, 32GB internal storage
Camera: 13MP rear with flash, 5MP front
Battery: 3000mAh lithium-ion
Connectivity: 4G LTE, Wi-Fi 802.11ac, Bluetooth 4.2, GPS
Ports: USB-C, 3.5mm audio jack
OS: Android with LG UX
Sensors: Fingerprint, accelerometer, proximity, light
Dimensions: 149 x 75 x 7.9 mm

Controls and Navigation

Access settings via Settings app or quick settings panel. Physical buttons: Power, Volume up/down.

Touchscreen: Tap to select, swipe to scroll, pinch to zoom. On-screen navigation: Home, Back, Recent Apps.

Display: Brightness, wallpaper, font size, screen timeout. Sound: Ringtone, volume, vibration, Do Not Disturb. Security: Fingerprint, screen lock, app permissions. Network: Wi-Fi, mobile data, Bluetooth, hotspot.

Connecting to Networks

Wi-Fi: Settings > Wi-Fi > Select network > Enter password. Mobile data: Settings > Network & internet > Mobile network.

Ensure Wi-Fi/mobile data is enabled in settings.
For Wi-Fi: Select available network and enter security key.
For mobile data: Ensure SIM card is properly inserted and activated.
Bluetooth: Enable and pair with compatible devices.

Tip: Use strong passwords for Wi-Fi networks and enable mobile data only when needed to conserve battery.

Camera and Media

Supports photo, video, panorama, and various shooting modes.

Open camera: Press camera button or tap camera app.
Take photo: Tap shutter button or use volume keys.
Switch modes: Swipe left/right or tap mode selector.
Video recording: Switch to video mode and press record.
Gallery: View photos and videos in gallery app.
Share media: Use share button to send via messaging or social media.
Edit photos: Use built-in editor for adjustments and filters.

WARNING! Do not point camera directly at sun. Keep lens clean for optimal photo quality.

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 accessibility features.

Care & Maintenance

Use soft, dry cloth for cleaning. Avoid liquids and abrasive materials. Use screen protector and protective case.

CAUTION! Do not expose to extreme temperatures. Keep away from magnets and metal detectors. Use only approved chargers and accessories.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits. SAR information: Meets FCC radiation exposure guidelines. Copyright © 2025 LG Electronics; all rights reserved. For support, visit www.lg.com/support or contact 1-800-243-0000.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Device won't turn on	Battery drained	Charge for 30 minutes then try powering on.
Poor battery life	Background apps/settings	Close unused apps; reduce screen brightness; disable unnecessary features.
No network signal	SIM/network issues	Restart device; check SIM insertion; contact carrier.
Camera not working	App permissions/storage	Check camera permissions; ensure sufficient storage space.
Slow performance	Storage/memory issues	Clear cache; close background apps; restart device.

Reset: Settings > System > Reset options > Factory data reset if needed.

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