Ulefone RugKing 4 Pro - 256 GB - Black - 10200mAh
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Product Information
Full details
The Ulefone RugKing 4 Pro is designed for outdoor professionals, field workers, and adventurers who require a device capable of surviving extreme environments without sacrificing modern software features. Its standout feature is the massive 10,200mAh battery paired with military-grade ruggedization, though potential buyers should note that its high level of protection results in a heavier, bulkier form factor compared to standard consumer smartphones.
All features
| Colour | Black |
|---|---|
| Operating System | Android |
| Internal Storage Capacity | 256 GB |
| Display Size | 6.6 |
| Series | RugKing 4 Pro |
| Model Part Number | RK4-P-BK-01 |
| Mobile Device Battery Capacity | 10200mAh |
| Brand | Ulefone |
Extended Product Information
FAQs
Is the RugKing 4 Pro truly waterproof?
Yes, it is IP68/IP69K certified and can be submerged in water up to 2 meters.
Can I expand the storage?
Yes, the device supports MicroSD cards up to 2TB.
Does it support wireless charging?
The device is designed for use with a custom charging dock, which simplifies the charging process.
How long does the battery last?
The 10,200mAh battery is built to provide approximately 52 hours of talk time or 16 hours of continuous video playback.
Does it have a headphone jack?
The device uses the USB Type-C port for audio and charging; a USB-C to 3.5mm adapter may be required for traditional wired headphones.
What version of Android does it run?
It runs on Android 15, which includes the latest security and privacy features.
Troubleshooting
Touchscreen not responding in rain
Ensure 'Water-lock mode' is disabled or use the physical buttons if available; the screen is designed to prevent accidental touches when wet.
Device is not charging
Check the USB-C port for accumulated dust or debris. If using the charging dock, verify the pins are clean and the device is properly seated.
App crashes or slow performance
Clear the system cache via the Service Center 2.0 app or check for background apps consuming excessive RAM.
Pros and Cons
Pros
- Exceptional battery life suitable for multi-day trips
- Extreme physical resilience against water and drops
- Smooth UI experience thanks to the 120Hz refresh rate
- Generous internal storage with MicroSD expansion
- Latest Android 15 software with enhanced security features
Cons
- Substantial weight (405g) may feel heavy for daily carry
- Lower screen resolution compared to flagship devices
- Bulkier design due to ruggedized shell construction
Setup, Compatibility & Care
- Initial Setup: Power on the device and follow the on-screen prompts to sign into your Google account. Use the 'Quick start guide' included in the box for specific network configuration steps.
- Maintenance: To maintain the IP68/IP69K rating, ensure the USB-C charging port cover is securely sealed after charging.
- Cleaning: The device features an oleophobic coating; clean the screen with a dry microfiber cloth. Avoid harsh chemicals that may strip the protective surface.
- Charging: While the device supports rapid charging, use the included USB Type-C cable to maintain the integrity of the port. If utilizing a charging dock, ensure the pins are clear of debris to ensure a consistent connection.
- Updates: Always keep the device updated through the settings menu to receive the latest Android 15 security patches.