LG G4 T-Mobile Manual

The LG G4 T-Mobile is a flagship smartphone featuring a 5.5-inch Quad HD IPS Quantum Display, Qualcomm Snapdragon 808 processor, 16MP rear camera with f/1.8 aperture and laser autofocus, 8MP front camera, 32GB internal storage with microSD expansion, 4G LTE connectivity, Android 5.1 Lollipop with LG UX 4.0, removable 3000mAh battery, and T-Mobile-specific network features. Below are key sections for getting started, features, setup, operation, and troubleshooting.

Features at a Glance

Key components: 5.5-inch Quad HD display, 16MP rear camera with OIS, removable battery, microSD slot, T-Mobile 4G LTE.

Feature	Description
Display	5.5-inch Quad HD IPS Quantum Display (2560x1440)
Camera	16MP rear with laser autofocus, OIS, f/1.8 aperture
Processor	Qualcomm Snapdragon 808 Hexa-Core
Storage	32GB internal, microSD expandable up to 2TB
Battery	3000mAh removable with fast charging
Connectivity	T-Mobile 4G LTE, Wi-Fi 802.11ac, Bluetooth 4.1
Operating System	Android 5.1 Lollipop with LG UX 4.0
Dimensions	148.9 x 76.1 x 9.8 mm
Weight	155 grams
Colors	Metallic Gray, Ceramic White, Shiny Gold

Getting Started

Unbox and inspect contents. Insert SIM card and battery.

1. Remove back cover: Press release button and lift cover off.
2. Insert SIM card: Place T-Mobile SIM in designated slot.
3. Insert battery: Align contacts and place in battery compartment.
4. Insert microSD card (optional): Place in memory card slot.
5. Replace back cover: Snap into place securely.
6. Charge device: Use included charger and cable.

WARNING! Do not force SIM card or battery; ensure proper orientation. Use only approved accessories.

Initial Setup

Power on device; follow on-screen setup wizard.

1. Select language: Choose preferred language (default ENGLISH).
2. Connect to Wi-Fi: Select network and enter password.
3. Sign in to Google account: Required for app downloads and sync.
4. Set up T-Mobile services: Activate voicemail and data services.
5. Transfer data: Use LG Backup to transfer from old device.
6. Configure security: Set up pattern, PIN, or fingerprint security.

CAUTION! Keep device charged during setup process.

Specifications

• Display: 5.5-inch Quad HD IPS Quantum Display (538 ppi)
• Chipset: Qualcomm Snapdragon 808 Processor
• Memory: 3GB RAM, 32GB ROM, microSD up to 2TB
• Camera: Rear 16MP OIS, Front 8MP
• Battery: 3000mAh removable with fast charging
• OS: Android 5.1 Lollipop with LG UX 4.0
• Connectivity: T-Mobile 4G LTE, Wi-Fi, Bluetooth, NFC
• Sensors: Accelerometer, gyro, proximity, compass
• Audio: 1W speaker, 3.5mm headphone jack

Phone Controls

Front: Touchscreen, front camera, sensors, earpiece. Rear: Rear camera, laser autofocus, flash, volume buttons, power button. Sides: microSD/SIM slot, headphone jack, USB port.

Button Functions: Power button - wake/sleep; Volume buttons - media/ringtone control; Rear buttons - quick camera launch.

Touchscreen gestures: Tap, swipe, pinch-to-zoom. QuickCircle case support: Access apps through circular window.

Connecting to Networks

T-Mobile Network: Automatic connection with activated SIM. Wi-Fi: Settings > Wi-Fi > Select network. Bluetooth: Settings > Bluetooth > Pair device.

1. Ensure T-Mobile SIM is properly inserted and activated.
2. For Wi-Fi: Go to Settings > Wi-Fi, select network, enter password.
3. For Bluetooth: Enable Bluetooth, select device, confirm pairing.
4. For mobile data: Settings > Networks > Mobile data > Enable.

Tip: Use Wi-Fi Calling for better call quality in areas with poor cellular reception.

Camera Features

16MP rear camera with manual mode, laser autofocus, OIS. 8MP front camera with gesture shot.

1. Launch camera: Press rear volume down button twice or tap camera app.
2. Basic shooting: Point and tap shutter button.
3. Manual mode: Adjust ISO, shutter speed, white balance, focus.
4. Gestures: Show open palm to front camera for 3-second countdown.
5. Video: Record up to 4K UHD video with stabilization.
6. Gallery: View, edit, and share photos through gallery app.

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

T-Mobile Services

Wi-Fi Calling: Make calls over Wi-Fi network. T-Mobile TV: Stream live TV. Visual Voicemail: Manage voicemails visually. Mobile Hotspot: Share internet connection.

Care & Maintenance

Use soft, dry cloth for cleaning. Avoid liquids and extreme temperatures. Use approved chargers only.

CAUTION! Do not expose to water or moisture. Remove device from case periodically for cleaning.

Regulatory Information

FCC compliant. SAR levels below recommended limits. Copyright © 2015 LG Electronics. T-Mobile is a registered trademark. For support, visit www.lg.com/us or contact T-Mobile support at 1-800-T-MOBILE.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Battery drained	Charge for 30 minutes; try different charger.
No network signal	SIM/Settings	Reinsert SIM; check network settings; restart device.
Camera not focusing	Lens dirty	Clean lens with soft cloth; ensure laser sensor is unobstructed.
Overheating	Heavy usage	Close background apps; remove case; allow to cool.
Slow performance	Storage/Apps	Clear cache; uninstall unused apps; restart device.

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

Service: 1-800-T-MOBILE; www.lg.com/us/support