LG G3 AT&T Manual

The LG G3 AT&T is a premium smartphone featuring a 5.5-inch Quad HD display, Qualcomm Snapdragon processor, 13MP camera with laser autofocus, 4G LTE connectivity, Android operating system, and various AT&T-specific features. Below are key sections for setup, features, operation, and troubleshooting.

1. Features at a Glance 2. Initial Setup 3. Device Specifications 4. Controls and Navigation 5. Camera Features 6. Connectivity Options 7. AT&T Services 8. Battery and Power Management 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 5.5-inch Quad HD IPS display, Rear-mounted power and volume buttons, 13MP OIS+ camera, Laser autofocus, IR blaster, MicroSD card slot.

FeatureDescription
Display5.5-inch Quad HD IPS (2560 x 1440)
Camera13MP with OIS+ and laser autofocus
ProcessorQualcomm Snapdragon 801 2.5GHz
Memory3GB RAM, 32GB storage + microSD expansion
Battery3000mAh removable battery
Connectivity4G LTE, Wi-Fi, Bluetooth 4.0, NFC
ButtonsRear-mounted power and volume keys
Audio1W speaker with BoostAMP
OSAndroid with LG UX
Special FeaturesKnock Code, Gesture Shot, Smart Notice

Initial Setup

Unbox and prepare your LG G3 for first use.

  1. Insert SIM card: Use SIM eject tool to open tray, insert AT&T SIM.
  2. Insert microSD card: Optional expansion up to 128GB.
  3. Charge battery: Connect charger to device and power outlet.
  4. Power on: Press and hold rear power button.
  5. Follow setup wizard: Select language, connect to Wi-Fi, sign in to Google account.

WARNING! Handle SIM and microSD cards carefully to avoid damage.

Device Specifications

Controls and Navigation

Physical buttons: Rear-mounted power and volume keys. On-screen navigation buttons: Back, Home, Recent Apps.

Key Functions: Power button (press to wake/sleep, hold for power options), Volume keys (press to adjust, hold down for quick launch camera), Knock Code (tap pattern to unlock), Gesture Shot (make fist then open to take photo).

Settings: Access via app drawer or notification panel. Display: Adjust brightness, font size, wallpapers. Sound: Volume profiles, ringtones, notification sounds. Security: Screen lock, encryption, app permissions.

Camera Features

13MP rear camera with laser autofocus and OIS+ technology.

  1. Basic shooting: Open camera app, frame shot, tap shutter button.
  2. Laser autofocus: Automatically focuses quickly in various lighting.
  3. Gesture Shot: Make fist then open hand to trigger 3-second self-timer.
  4. Dual recording: Record video with both front and rear cameras.
  5. Manual mode: Adjust ISO, white balance, focus, shutter speed.
  6. HDR mode: For high-contrast scenes.
  7. Panorama: Sweep camera to create wide shots.
  8. Burst shot: Hold shutter to capture multiple photos quickly.

Tip: Clean camera lens regularly for best photo quality.

Connectivity Options

Multiple ways to connect your LG G3 to networks and devices.

  1. Mobile data: Ensure AT&T SIM is properly inserted and activated.
  2. Wi-Fi: Settings > Wi-Fi, select network, enter password.
  3. Bluetooth: Pair with headphones, speakers, or other devices.
  4. NFC: Tap and pay with Google Wallet or share content.
  5. USB: Connect to computer for file transfer or charging.
  6. IR blaster: Use as universal remote control with QuickRemote app.

Note: Some features may require additional apps or services.

AT&T Services

Access AT&T-specific features and applications.

ServiceDescription
AT&T Mobile ShareData sharing with multiple devices
AT&T DriveModeAutomatic response while driving
AT&T LockerCloud storage for photos and files
AT&T MessagesUnified messaging across devices
AT&T Smart Wi-FiAutomatic connection to AT&T hotspots
AT&T NavigatorGPS navigation with live traffic

Battery and Power Management

3000mAh removable battery with various power-saving features.

  1. Charging: Use included charger and cable for optimal performance.
  2. Battery saver: Extend battery life by limiting background activity.
  3. Usage monitoring: Check battery usage in Settings > Battery.
  4. Quick charging: Supports faster charging with compatible chargers.
  5. Battery replacement: Remove back cover to access removable battery.

CAUTION! Use only approved chargers and cables. Do not expose to extreme temperatures.

Care & Maintenance

Proper care to maintain your LG G3's performance and appearance.

WARNING! Do not attempt to disassemble device. Contact authorized service for repairs.

Regulatory Information

FCC compliance: This device complies with part 15 of FCC rules. SAR information: This device meets government requirements for exposure to radio waves. The highest SAR value reported is 0.98 W/kg. Copyright © 2014 LG Electronics Inc. AT&T and the AT&T logo are trademarks of AT&T Intellectual Property. For support, visit www.lg.com or contact AT&T customer service at 1-800-331-0500.

Troubleshooting

SymptomPossible CauseCorrective Action
Device won't turn onBattery drainedCharge for 30 minutes then try powering on
Poor signalNetwork issuesCheck AT&T coverage; restart device; update PRL
OverheatingHeavy usageClose background apps; allow to cool; avoid direct sun
Camera not focusingLens obstructionClean camera lens; ensure laser sensor is unobstructed
Battery drains quicklyBackground appsEnable battery saver; check app usage; reduce brightness
Touchscreen unresponsiveSoftware issueRestart device; remove screen protector if applicable

Reset Options: Settings > Backup & reset > Factory data reset (backup data first)

Support: AT&T: 1-800-331-0500 | LG: 1-800-243-0000 | www.lg.com/us/support

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