LG G3 D851 Manual

The LG G3 D851 is a flagship smartphone featuring a 5.5-inch Quad HD IPS LCD display, Qualcomm Snapdragon 801 processor, 13MP OIS+ camera with laser autofocus, 2GB RAM, 32GB storage, Android 4.4.2 KitKat (upgradable), 4G LTE connectivity, removable 3000mAh battery, IR blaster, and Knock Code security. Below are key sections for features, setup, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: 5.5-inch Quad HD display, Rear buttons (Power/Volume), 13MP OIS+ camera, Laser autofocus, IR blaster, MicroSD slot, Removable battery.

Feature	Description
Display	5.5-inch Quad HD IPS LCD (2560x1440)
Camera	13MP with OIS+ and laser autofocus
Processor	Qualcomm Snapdragon 801 2.5GHz
Storage	32GB internal, microSD expandable up to 128GB
Battery	3000mAh removable
Connectivity	4G LTE, Wi-Fi 802.11ac, Bluetooth 4.0
Special Features	Knock Code, IR blaster, Quick Circle case support
Audio	1W speaker with Boost Mode
OS	Android 4.4.2 KitKat (upgradable)

Initial Setup

Unbox and prepare device for first use.

1. Insert SIM card: Use eject tool to open SIM tray, insert nano-SIM.
2. Insert microSD card: Place in dedicated slot for expanded storage.
3. Insert battery: Place 3000mAh battery in compartment.
4. Power on: Hold Power button until LG logo appears.
5. Follow setup wizard: Select language, connect to Wi-Fi, sign in to Google account.

WARNING! Handle SIM/microSD cards carefully; avoid touching gold contacts.

Specifications

• Display: 5.5-inch Quad HD IPS LCD (538ppi)
• Chipset: Qualcomm Snapdragon 801 2.5GHz quad-core
• RAM: 2GB LPDDR3
• Storage: 32GB, microSD expandable to 128GB
• Main Camera: 13MP with OIS+, laser AF, dual-LED flash
• Front Camera: 2.1MP
• Battery: 3000mAh removable
• OS: Android 4.4.2 KitKat (upgradable to Lollipop)
• Connectivity: 4G LTE, Wi-Fi 802.11 a/b/g/n/ac, Bluetooth 4.0
• Dimensions: 146.3 x 74.6 x 8.9 mm

Device Controls

Physical buttons: Rear-mounted Power button and Volume rocker. On-screen navigation buttons: Back, Home, Recent Apps.

Key Functions: Power button (press to wake/sleep, hold for power menu), Volume buttons (press to adjust volume, hold Down to activate camera from sleep), Knock Code (tap pattern on screen to unlock), QuickMemo+ (Volume Down + Power for screenshot and annotation).

Basic Operations

Making calls: Use Phone app, dial number or select contact. Sending messages: Use Messaging app for SMS/MMS. Navigation: Swipe gestures, tap to select.

1. Unlock: Use Knock Code or slide up from lock screen.
2. Home screen: Customize with apps, widgets, and folders.
3. Notifications: Swipe down from top for quick settings.
4. Multi-tasking: Tap Recent Apps button to switch between apps.

Tip: Use Gesture Shot in camera - make fist, then open to capture photo.

Camera Features

13MP OIS+ camera with laser autofocus and dual-LED flash.

1. Basic shooting: Open Camera app, point and tap shutter.
2. Laser AF: Automatically measures distance for fast focus.
3. OIS+: Reduces blur from hand shake.
4. Modes: Auto, Panorama, Dual Camera, Magic Focus, HDR.
5. Gesture Shot: Make fist, open to capture from distance.
6. 4K video: Record ultra HD video at 30fps.

WARNING! Keep laser sensor clean; do not cover during use.

Connectivity

Wi-Fi: Settings > Wi-Fi, select network, enter password. Bluetooth: Pair with devices in Settings > Bluetooth. Mobile data: Enable in Settings > Networks.

1. Turn on desired connectivity method.
2. Search for available devices/networks.
3. Select and connect/pair as required.
3. For tethering: Settings > Tethering & networks > Mobile hotspot.

Tip: Use Smart Cleaning in Settings to optimize performance.

Battery & Power

3000mAh removable battery with Optimized charging.

1. Charging: Use included charger and cable; full charge ~2 hours.
2. Battery saver: Enable in Settings > Battery > Battery saver.
3. Replace battery: Power off, remove back cover, swap battery.
4. Battery calibration: Drain completely, then charge to 100%.

CAUTION! Use only LG-approved chargers and batteries.

Care & Maintenance

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

CAUTION! Do not use chemicals or abrasive materials; keep away from water.

Regulatory Information

FCC ID: ZNFD851. Complies with Part 15 of FCC rules. SAR: 0.98 W/kg (head), 1.18 W/kg (body). Copyright © 2014 LG Electronics. For support, visit www.lg.com/us/support or contact 1-800-243-0000.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Device won't turn on	Battery/charging	Charge for 30 minutes; try different charger; check battery connection.
Slow performance	Memory/storage	Clear cache; close background apps; use Smart Cleaning.
Camera not focusing	Laser sensor dirty	Clean laser autofocus sensor; restart camera app.
Wi-Fi connection issues	Router/settings	Restart router; forget and reconnect to network; reset network settings.
Overheating	Usage/environment	Close intensive apps; remove case; avoid direct sunlight.

Reset: Settings > Backup & reset > Factory data reset.

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