Setup Guide
What's in the Box:
- LG V40 ThinQ smartphone
- USB-C charging cable
- Wall charger adapter
- Quick start guide
- SIM ejector tool
- Protective case
Step-by-Step Setup
- Insert SIM Card: Use the SIM ejector tool to open the SIM tray and insert your nano-SIM card.
- Power On: Press and hold the power button until the LG logo appears.
- Initial Setup: Follow the on-screen instructions to select language, connect to Wi-Fi, and sign in to your Google account.
- Transfer Data: Use LG Mobile Switch to transfer data from your old device.
- Set Up Security: Configure fingerprint sensor, face recognition, or PIN/password protection.
- Update Software: Check for and install any available system updates.
- Customize Settings: Adjust display, sound, and notification preferences to your liking.
Specifications
| Model Number | LM-V405 |
| Display | 6.4-inch OLED FullVision (3120 x 1440) |
| Processor | Qualcomm Snapdragon 845 |
| RAM | 6 GB |
| Storage | 64 GB / 128 GB (expandable via microSD) |
| Rear Cameras | 16MP Standard + 16MP Ultra Wide + 12MP Telephoto |
| Front Cameras | 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 g |
Warranty Information
- Standard Warranty: 1 year parts and labor
- Battery Warranty: 6 months
- Additional Coverage: Optional extended warranty 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, ultra-wide, and telephoto lenses for versatile photography in any situation.
BoomBox Speaker
Uses the phone's internal space as a resonance chamber to deliver rich, powerful sound with enhanced bass response.
OLED FullVision Display
6.4-inch QHD+ OLED display with HDR10 support for vibrant colors, deep blacks, and exceptional viewing experience.
Google Assistant
Dedicated Google Assistant button for quick access to voice commands, information, and smart home control.
Hi-Fi Quad DAC
Advanced audio processor delivering studio-quality sound for headphones with support for high-resolution audio formats.
AI Cam
Intelligent camera system that automatically recognizes subjects and optimizes settings for the best possible photos.
Camera Modes Explained
Auto Mode
AI-powered automatic settings for perfect photos in any lighting condition
Manual Mode
Full control over ISO, shutter speed, white balance, and focus for professional photography
Portrait Mode
Beautiful background blur with adjustable bokeh effects for stunning portraits
Cine Video
Cinematic video recording with LOG format for professional color grading
Super Bright Camera
Enhanced low-light photography combining four pixels into one for brighter night shots
Google Lens
Visual search technology to identify objects, translate text, and find information
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Phone won't turn on | Battery drained, power button issue | Charge for 30 minutes, try force restart (Volume Down + Power) |
| Poor battery life | Background apps, screen brightness, weak signal | Check battery usage, reduce brightness, enable battery saver |
| Overheating | Heavy usage, direct sunlight, faulty battery | Close unused apps, remove case, avoid direct sunlight |
| Camera not working | App crash, software issue, hardware failure | Restart phone, clear camera app cache, check for updates |
| Wi-Fi connection issues | Router problems, software glitch, network settings | Restart router, forget and reconnect to network, reset network settings |
| Slow performance | Storage full, too many apps, need update | Clear cache, uninstall unused apps, check for system updates |
Common Error Messages
- No SIM card detected: Reinsert SIM card, clean SIM contacts
- Storage space running out: Delete unused files, move photos to cloud
- App keeps stopping: Clear app cache, update app, reinstall app
- Charging slowly: Use original charger, check cable, clean charging port
- Bluetooth connection failed: Restart Bluetooth, forget and re-pair device
- Fingerprint sensor not working: Clean sensor, re-register fingerprints
Manual Downloads
Current Model Manuals
LM-V405UA
LG V40 ThinQ (US Version)
LM-V405EBW
LG V40 ThinQ (European Version)
LM-V409N
LG V40 ThinQ (Korean Version)
LM-V405
LG V40 ThinQ (Global Version)
Related Models
LM-V500
LG V50 ThinQ 5G
LM-G850
LG G8 ThinQ
LM-V350
LG V35 ThinQ
LM-V300
LG V30 ThinQ