Setup Guide
Items Included:
- LG G8X ThinQ smartphone
- Dual Screen case
- USB-C charging cable
- Wall charger (18W fast charging)
- SIM ejector tool
- Quick start guide
Step-by-Step Setup
- Insert SIM Card: Use the SIM ejector tool to open the SIM tray and insert your nano-SIM card.
- Install Dual Screen Case: Carefully attach the Dual Screen case to your G8X ThinQ, ensuring proper alignment with the USB-C port.
- 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.
- Dual Screen Setup: Configure your dual screen preferences in Settings > Display > Dual Screen.
- Transfer Data: Use LG Mobile Switch to transfer data from your old device.
- Update Software: Check for and install any available software updates.
Specifications
| Model Number | LM-G850QM |
| Display (Main) | 6.4-inch OLED FullVision (2340 x 1080) |
| Display (Second) | 6.4-inch OLED (2340 x 1080) |
| Processor | Qualcomm Snapdragon 855 |
| RAM | 6 GB |
| Storage | 128 GB (expandable via microSD up to 2TB) |
| Rear Camera | Dual: 12MP standard + 13MP ultra-wide |
| Front Camera | 32MP with Hand ID |
| Battery | 4000 mAh with Quick Charge 3.0 |
| Operating System | Android 9 Pie (upgradable to Android 10) |
| Connectivity | 5G, Wi-Fi 6, Bluetooth 5.0, NFC |
| Dimensions | 159.3 x 75.8 x 8.4 mm |
Warranty Information
- Standard Warranty: 1 year limited warranty
- Battery Warranty: 1 year
- Charging Accessories: 6 months
For warranty service, contact LG Customer Service at 1-800-243-0000 or visit LG.com
Key Features
Dual Screen Technology
Transform your smartphone experience with two identical 6.4-inch OLED displays for multitasking, gaming, and productivity.
Hand ID
Advanced palm recognition technology that uses vein patterns in your hand for secure authentication without touching the phone.
ASMR Recording
Capture ultra-sensitive audio with Voice Bokeh feature that isolates and enhances specific sounds while reducing background noise.
Crystal Sound OLED
Screen vibration technology that turns the entire display into a speaker for immersive audio without speaker grills.
Google Assistant Button
Dedicated hardware button for instant access to Google Assistant for voice commands and smart home control.
Game Pad Mode
Dual Screen transforms into a gaming controller with customizable touch controls on the second display.
Dual Screen Use Cases
Multitasking
Browse web on one screen while watching videos on the other
Gaming
Use second screen as controller or for game guides and maps
Productivity
Email on one screen, documents on the other for efficient work
Social Media
Scroll through feeds on one screen while messaging on the other
Camera
Use second screen as viewfinder for selfies with main cameras
Entertainment
Watch videos on main screen while controlling playback on second
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Dual Screen not working | Poor connection, software glitch, low battery | Reconnect case, restart phone, ensure adequate charge |
| Battery drains quickly | Dual Screen active, background apps, high brightness | Close unused apps, reduce brightness, use battery saver |
| Phone overheating | Heavy usage, poor ventilation, faulty battery | Allow to cool, close intensive apps, check for updates |
| Camera issues | App permissions, storage full, software bug | Check permissions, clear storage, update camera app |
| Hand ID not recognizing | Poor lighting, dirty sensor, need recalibration | Ensure good lighting, clean sensor, retrain Hand ID |
| Connectivity problems | Network issues, SIM card problem, software bug | Restart phone, check SIM, reset network settings |
Common Error Messages
- Dual Screen Not Connected: Ensure proper connection and clean USB-C port
- Storage Almost Full: Delete unnecessary files or move to cloud storage
- Battery Temperature Too High: Allow phone to cool before charging
- SIM Card Not Detected: Reinsert SIM card or try different SIM
- Camera Failed: Restart phone or clear camera app cache
- Network Unavailable: Check signal strength and network settings
Manual Downloads
Current Model Manuals
LM-G850QM
G8X ThinQ Dual Screen (US)
LM-G850EMW
G8X ThinQ Dual Screen (EU)
LM-G850N
G8X ThinQ Dual Screen (Korea)
LM-G850UM
G8X ThinQ Single Screen
Related Models
LM-G820UM
LG G8 ThinQ
LM-V510N
LG V50 ThinQ Dual Screen
LM-G910
LG G8X ThinQ (AT&T)
LM-G850
G8X ThinQ (Global)