LG V40 ThinQ

User Manual & Setup Guide

Smartphone

Setup Guide

What's in the Box:

  • LG V40 ThinQ smartphone
  • USB-C charging cable
  • Wall charger adapter
  • SIM ejector tool
  • Quick start guide
  • Warranty information

Step-by-Step Setup

  1. Insert SIM Card: Use the SIM ejector tool to open the SIM tray and insert your nano-SIM card.
  2. Power On: Press and hold the power button until the LG logo appears.
  3. Language Selection: Choose your preferred language from the list.
  4. Connect to Wi-Fi: Select your Wi-Fi network and enter the password to connect.
  5. Google Account: Sign in to your Google account or create a new one.
  6. Security Setup: Set up fingerprint sensor and face recognition for secure unlocking.
  7. Transfer Data: Use LG Mobile Switch to transfer data from your old device.
  8. Final Configuration: Customize your home screen, install apps, and adjust settings.
Important: Keep your device updated with the latest software for optimal performance and security.

Specifications

Model Number LM-V405
Display 6.4-inch OLED FullVision (3120 x 1440)
Processor Qualcomm Snapdragon 845
RAM 6GB
Storage 64GB/128GB (expandable via microSD up to 2TB)
Camera System Triple rear: 12MP standard + 16MP wide + 12MP telephoto
Front Camera Dual: 8MP standard + 5MP wide
Battery 3300 mAh (non-removable)
Operating System Android 8.1 Oreo (upgradable to Android 10)
Connectivity 4G LTE, Wi-Fi 802.11ac, Bluetooth 5.0, NFC
Dimensions 158.8 x 75.7 x 7.6 mm
Weight 169 grams
Audio 32-bit Hi-Fi Quad DAC, Stereo speakers, DTS:X 3D

Warranty Information

  • Standard Warranty: 1 year manufacturer's warranty
  • Battery Warranty: 6 months
  • Charger Warranty: 1 year
  • Extended Coverage: Optional LG Care program available

For warranty service, contact LG Customer Service at 1-800-243-0000 or visit LG.com

Key Features

Triple Camera System

Professional-grade triple camera setup with standard, wide-angle, and telephoto lenses for versatile photography in any situation.

AI Camera

LG's AI CAM recognizes subjects and scenes, automatically optimizing camera settings for the best possible photos.

Boombox Speaker

Enhanced audio experience with Boombox Speaker technology that uses the internal space as a resonance chamber for richer bass.

Hi-Fi Quad DAC

Premium 32-bit Hi-Fi Quad DAC delivers studio-quality sound for an exceptional audio experience with compatible headphones.

Google Lens Integration

Built-in Google Lens allows you to search what you see, get information about landmarks, identify plants and animals, and more.

ThinQ AI

LG's AI platform learns your usage patterns and provides intelligent suggestions to enhance your daily smartphone experience.

Camera Modes Explained

Auto Mode

Intelligent automatic settings for point-and-shoot simplicity with excellent results

Manual Mode

Full manual control over ISO, shutter speed, white balance, and focus for professional photography

Portrait Mode

Beautiful background blur with adjustable bokeh effects for stunning portrait photography

Cine Video

Cinematic video recording with LG's exclusive Cine Effect filters and professional controls

Super Bright Camera

Enhanced low-light photography combining four pixels into one for brighter, clearer night shots

Google Lens

Visual search technology that identifies objects, text, and landmarks through your camera

Troubleshooting

Problem Possible Cause Solution
Phone won't turn on Battery drained, power button issue Charge for 30 minutes, try holding power button for 10 seconds
Poor battery life Background apps, screen brightness, weak signal Close unused apps, reduce brightness, enable battery saver mode
Camera not working App crash, storage full, software issue Restart phone, clear storage space, update camera app
Overheating Heavy usage, direct sunlight, faulty battery Allow to cool, avoid direct sun, check for software updates
Wi-Fi connection issues Router problems, software glitch, distance Restart router, forget and reconnect network, check distance
Slow performance Storage nearly full, too many apps running, need update Clear cache, close background apps, check for system updates

Common Error Messages

  • No SIM card detected: Reinsert SIM card, clean SIM contacts
  • Insufficient storage: Delete unused apps, clear cache, move files to cloud
  • Camera failed: Restart phone, clear camera app cache and data
  • Network not available: Check signal strength, restart phone, reset network settings
  • Charging slowly: Use original charger, check cable, clean charging port
  • App keeps stopping: Update app, clear app cache, reinstall app

Manual Downloads

Current Model Manuals

LM-V405UA

V40 ThinQ US Version

LM-V405EBW

V40 ThinQ European Version

LM-V409N

V40 ThinQ Korean Version

LM-V405QA

V40 ThinQ Asian Version

Related Models

LM-G710

G7 ThinQ

LM-V500

V50 ThinQ

LM-G850

G8 ThinQ

LM-V600

V60 ThinQ

Note: For models not listed here, please visit the LG Support Website for complete documentation.