Initial Setup Guide
What's in the Box:
- LG V40 ThinQ smartphone
- USB-C charging cable
- Wall charger adapter
- Quick start guide
- SIM ejector tool
- Premium earphones
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.
- Language Selection: Choose your preferred language and region settings.
- Connect to Wi-Fi: Select your Wi-Fi network and enter the password to connect.
- Google Account: Sign in to your Google account or create a new one.
- Security Setup: Set up fingerprint scanner and face recognition for enhanced security.
- Transfer Data: Use LG Mobile Switch to transfer data from your old device.
- Complete Setup: Follow remaining on-screen instructions to complete the setup process.
Specifications
| Model Number | LM-V405 |
| Display | 6.4" QHD+ OLED FullVision (3120 x 1440) |
| Processor | Qualcomm Snapdragon 845 |
| RAM | 6GB |
| Storage | 64GB/128GB (expandable via microSD up to 2TB) |
| Rear Cameras | Triple: 12MP Standard + 16MP Wide + 12MP Telephoto |
| Front Cameras | 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 |
| Audio | 32-bit Hi-Fi Quad DAC, Stereo Speakers, DTS:X 3D |
| Dimensions | 158.8 x 75.7 x 7.6 mm |
| Weight | 169g |
Warranty Information
- Standard Warranty: 1 year manufacturer warranty
- Battery Warranty: 6 months
- Accessories Warranty: 3 months
- Extended Coverage: Optional protection plans 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
AI-powered camera recognizes scenes and subjects, automatically optimizing settings for the best possible photos.
BoomBox Speaker
Uses the internal space as a resonance chamber to deliver powerful, rich bass and clear audio through the stereo speakers.
Hi-Fi Quad DAC
Advanced 32-bit Hi-Fi Quad DAC provides studio-quality audio for an exceptional listening experience with compatible headphones.
ThinQ AI
LG's AI platform integrates with Google Assistant for intelligent voice commands and smart device control.
OLED Display
6.4" QHD+ OLED FullVision display delivers vibrant colors, deep blacks, and excellent contrast for immersive viewing.
Camera Modes Explained
Triple Shot
Automatically captures three different shots (standard, wide, telephoto) with a single press
Cine Shot
Creates moving photos by animating specific parts of the image while keeping the rest static
AI Cam
Intelligently recognizes scenes and optimizes camera settings automatically
Manual Video
Professional manual controls for video recording including focus, exposure, and audio
Portrait Mode
Creates professional-looking portraits with beautiful background blur (bokeh effect)
Google Lens
Integrated Google Lens for identifying objects, scanning QR codes, and more
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Phone won't turn on | Battery drained, power button issue | Charge for 30 minutes, try force restart |
| Poor battery life | Background apps, screen brightness, weak signal | Close unused apps, reduce brightness, check battery usage |
| Camera not working | App crash, storage full, software issue | Restart phone, clear storage, update software |
| Overheating | Heavy usage, poor ventilation, faulty battery | Close apps, remove case, let cool down |
| Wi-Fi connection issues | Router problems, software glitch, network settings | Restart router, forget and reconnect network |
| Slow performance | Storage full, too many apps, need update | Clear cache, uninstall unused apps, update software |
Common Error Codes
- No Service: Network connection issue - Check SIM card, restart phone
- Storage Full: Insufficient storage - Delete unused files, move to cloud
- Camera Error: Camera hardware/software issue - Restart phone, clear cache
- Charging Slowly: Charging issue - Use original charger, check cable
- App Crash: Application error - Update app, clear app data
- Touch Screen Unresponsive: Screen issue - Restart phone, remove screen protector
Manual Downloads
Current Model Manuals
LM-V405UA
V40 ThinQ (US Version)
LM-V405EBW
V40 ThinQ (European Version)
LM-V409N
V40 ThinQ (Korean Version)
LM-V405
V40 ThinQ (Global Version)
Related Models
LM-V500
LG V50 ThinQ 5G
LM-G820
LG G7 ThinQ
LM-V350
LG V35 ThinQ
LM-V450
LG V40S ThinQ