1. Introduction
The Develuck G20 Intelligent Car System is an advanced multimedia head unit designed for Suzuki Swift models from 2003 to 2010. Featuring a Qualcomm 6125 8-Core processor and Android 13.0, it offers seamless integration with Wireless CarPlay and Android Auto, GPS navigation, enhanced audio features, and a customizable user interface. This manual provides essential information for installation, operation, and maintenance of your new head unit.
Figure 1: Develuck G20 Head Unit installed in a Suzuki Swift dashboard.
2. Setup
2.1 Package Contents
Please verify that all items are present in your package:
- Car Intelligent Screen
- Automotive Framework
- Power Cord
- Installation Tools
- Instruction Manual
Free Gifts (may vary by model):
- RCA Cable
- USB Cable (x2)
- GPS Antenna
- Cooling Fan (excluding R3 models)
Optional Accessories (purchased separately):
- Rear Camera
- Car DVR (32G/64G)
- 4G Cable (included with 4G models)
Figure 2: Visual representation of the package contents.
2.2 Installation
The Develuck G20 head unit is designed for direct replacement in Suzuki Swift models from 2003 to 2010. Professional installation is highly recommended to ensure proper functionality and avoid damage to your vehicle or the unit.
Figure 3: Comparison of the dashboard before and after head unit installation.
Wiring Connections:
Ensure all cables are securely connected according to the provided wiring diagram. Pay close attention to polarity and specific connections for speakers, power, and accessories.
Figure 4: Detailed wiring diagram. Connections include: Purple (RR- Speaker Rear Right), White (FL+ Speaker Front Left), Green (RL+ Speaker Rear Left), Gray (FR+ Speaker Front Right), Blue (Automatic Antenna Power Supply), Orange (ILL Car Headlights), Red (ACC +12V), Yellow (B+ 12V), Black (GND), KEY1, KEY2, Reverse Detection. Also shown are connections for antenna, steering wheel, and DVR.
The rear panel of the head unit features various ports for connectivity:
Figure 5: Rear view of the head unit showing Camera Input, USB (6Pin), USB (4Pin), Power Cable, FM Radio antenna, GPS antenna, 4G antenna, and RCA Cable ports. The fan power-on switch is also visible.
Additional cable connections for audio, video, and data:
Figure 6: Cable connections for MIC, SUB WOOFER, CVBS IN 1, VIDEO OUT, AUDIO OUT R, AUX IN R, AUDIO OUT L, AUX IN L, Fan, and SIM Cable (for T10/G20 models only).
3. Operating Instructions
3.1 Initial Power On & User Interface
Upon first power-on, the system will boot into the Android 13.0 interface. The unit features a QLED 2.5D screen with a full lamination process for realistic images and smooth response. You can customize the UI from multiple options available in the settings. The system supports day and night themes for optimal visibility.
Video 1: Product demonstration showcasing various UI features, 3D car display, GPS navigation, audio settings, and connectivity options.
Figure 7: New Develuck UI 6.0 with distinct day and night modes for improved readability.
3.2 CarPlay & Android Auto
The unit supports both wired and wireless CarPlay and Android Auto. Connect your smartphone to access navigation, music, calls, and other apps directly on the head unit's screen. This allows for seamless integration of your phone's features, enhancing your driving experience.
Figure 8: Wireless CarPlay and Android Auto interface showing navigation, music, and call functions.
3.3 GPS Navigation
Utilize the built-in GPS for navigation with support for online and offline maps. The system is compatible with popular navigation apps such as Google Maps, iGO, Navitel, Sygic, Yandex, Waze, and Gaode Map. The system also features day/night switching for optimal map visibility.
Figure 9: GPS Navigation interface displaying various map applications.
3.4 Audio Settings (DSP, EQ, Bass)
The TDA7851 power amplifier system, combined with DSP+48EQ, provides advanced audio customization. Adjust surround sound, bass enhancement, sound field settings (driver mode, co-pilot mode, rear car mode, full car mode), and bass filtering for a personalized audio experience.
Figure 10: Digital Theater System interface showing 48EQ, surround sound, bass enhancement, and sound field settings.
3.5 Radio (FM/AM/RDS)
The unit features an FM/AM/RDS radio with a 7708 pre-installed professional radio chip for better sound reception and noise filtering. You can save your favorite stations for quick access.
3.6 Bluetooth
Bluetooth 5.0 allows for hands-free calling and wireless music streaming. Pair your phone to access contacts and play audio directly through the head unit.
3.7 Split Screen & Floating Window
Multitask effortlessly with split-screen functionality, allowing you to run two applications simultaneously. The floating window feature provides flexible app placement for enhanced productivity.
Figure 11: Split screen mode displaying navigation and media playback simultaneously.
3.8 Customization (Button Lights, UI)
Customize the side button lights with 7 distinct color options to match your vehicle's interior or personal preference. The system also offers multiple UI themes for a personalized look and feel.
Figure 12: Interface for adjusting the color of the physical buttons on the unit.
3.9 ADAS DVR & Night Vision Lens
When connected to an optional ADAS DVR, the system can display real-time driving footage and provide advanced driver-assistance features. The optional rear camera offers night vision and reverse line assistance for safer parking maneuvers.
3.10 Steering Wheel Control (SWC)
The unit supports original steering wheel controls, allowing you to manage media playback, volume, and other functions without taking your hands off the wheel. This feature retains the original car's convenience and safety.
Figure 13: Demonstration of using steering wheel buttons to control the head unit.
4. Maintenance
To ensure the longevity and optimal performance of your Develuck G20 head unit, follow these maintenance guidelines:
- Screen Cleaning: Use a soft, dry, lint-free cloth to clean the screen. For stubborn smudges, lightly dampen the cloth with water or a screen-safe cleaner. Avoid abrasive materials or harsh chemicals.
- Ventilation: Ensure that the unit's ventilation openings are not blocked to prevent overheating.
- Cable Connections: Periodically check all cable connections to ensure they are secure and free from damage.
- Software Updates: Keep the system software updated to benefit from the latest features, improvements, and security patches.
5. Troubleshooting
If you encounter any issues with your Develuck G20 head unit, refer to the following common troubleshooting steps:
- No Power: Check the power cable connections at the back of the unit and in your vehicle's fuse box. Ensure the unit is correctly installed and receiving power.
- No Sound: Verify all speaker connections. Check the audio settings on the unit (volume level, mute status, DSP settings).
- GPS Signal Loss: Ensure the GPS antenna is properly installed and has a clear, unobstructed view of the sky.
- Bluetooth Pairing Issues: Make sure Bluetooth is enabled on both the head unit and your mobile device. Delete any previous pairings and attempt to pair again.
- Touchscreen Unresponsive: Try restarting the head unit. If the issue persists, a factory reset (refer to settings menu) might be necessary, but note this will erase all user data.
- Slow Performance: Close unnecessary background applications. Clear the system cache periodically.
If these steps do not resolve the issue, please contact customer support for further assistance.
6. Specifications
The Develuck G20 head unit offers a range of advanced features and specifications. Please note that specifications may vary slightly between different configurations (G20, T10, T6, T4, T3, R3 models).
Figure 14: Detailed specifications for G20 and other models.
| Attribute | Value |
|---|---|
| Brand Name | Develuck |
| CPU For G20 | A7 2.5GHz x 8 (Qualcomm 6125 8-Core 2.0GHz) |
| Operating System | Android 12 (G20 models run Android 13.0) |
| RAM | 1G/2G/4G/6G |
| ROM | 16G/32G/64G/128G/256G |
| Display Size | 10" |
| Resolution | 1280*720P |
| Tuner Type | FM+AM |
| Preset Station | FM 87.50 |
| Built-in DVD Player | Yes |
| Built-in CD player | No |
| Is touch screen | Yes |
| Built-in Screen | Yes |
| Category | Car multimedia player |
| Din | Double Din |
| Interface | USB |
| Out Power | 4*50W |
| Voltage | 12 V |
| Item Weight | 1.7kg |
| Item Size | 23*14*7 |
| Max External Memory | 256G |
| Special Features | wifi function, Support steering wheel control, Support 3G Network, Support 4G Network, Support Can-Bus, Built-in GPS, Mobile Phone, MP3 players, Voice control, dsp, CarPlay, android auto, Reversing Input, Split Screen |
| Digital Media Format | Mp3, MP4, WMA, JPEG |
| OSD Language | Chinese (Simplified), Chinese (Traditional), Albanian, Arabic, Azeri, Irish, ESTONIAN, Belarusian, Icelandic, Polish, PERSIAN, Boolean text (Dutch South Africa), Danish, German, Russian, French, Filipino, Finnish, Georgian, Haitian Creole, Korean, Dutch, Galicia, Czech, Latin, Latvian, Lithuanian, Romanian, Maltese, Malay, Macedonian, Norwegian, Portuguese, Japanese, Swedish, Serbian, Swahili, THAI, Turkish, Welsh, Ukrainian, Hebrew, Greek, Spain's Basque, Spanish, Hungarian, Italian, Urdu India, English, Vietnamese |
| For Vehicle Brands/Model | SUZUKI |
| Suzuki Model | Swift |
| Swift-Year | 2007, 2008, 2009, 2010 |
| Material | Metial+Plastics |
| Certification | CE |
| DSP function | Yes |
| Floating window | Yes |
| Split Screen | Yes |
| Wifi | Yes |
| Original Steering Wheel Control | Support |
| Connect an external microphone | Support |
7. User Tips
- For optimal performance, regularly update the system software through the unit's settings menu.
- Explore the various UI options and customizable button lights to find a theme that best suits your driving environment and personal preference.
- Utilize the split-screen and floating window features to enhance productivity and convenience while driving, such as having navigation and music open simultaneously.
- If experiencing slow performance, try closing unused applications and clearing the system cache from the settings.
- Ensure your smartphone is updated to the latest OS version for the best CarPlay/Android Auto experience.
8. Warranty and Support
The Develuck G20 head unit comes with a 365-day warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. For technical assistance, troubleshooting, or warranty claims, please contact your retailer or the manufacturer's customer service with your purchase details.
