Front view of Ulefone RugKing 4 Pro

Ulefone RugKing 4 Pro: New & Refurbished Prices in Canada

Ulefone

The Ulefone RugKing 4 Pro is a rugged Android phone focused on endurance and durability rather than speed. It offers a very large battery, IP68/IP69K and MIL-STD-810H protection, a 6.56-inch 120Hz display, and practical dual-SIM plus microSD support. Its trade-offs are 4G-only connectivity, modest camera hardware, and a heavy, bulky design.

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Ulefone RugKing 4 Pro: Full Specifications

Built for harsh conditions, the Ulefone RugKing 4 Pro combines a thick, reinforced body with a very large 10,200 mAh battery and certified IP68, IP69K, and MIL-STD-810H protection. Its 6.56-inch IPS display uses a 720 x 1612 resolution, reaches 500 nits, and supports a 120 Hz refresh rate, giving the interface a smoother feel than many entry-level rugged phones. Ulefone pairs this with the Unisoc T7250 chipset, 8 GB of RAM, and either 128 GB or 256 GB of UFS 2.2 storage, plus a dedicated microSD option alongside dual nano-SIM support. The camera setup stays simple but practical, with a 48 MP main camera, a 2 MP macro unit, and an 8 MP front camera, with video recording up to 1080p at 30 fps and an underwater shooting mode. Android 15 runs in a clean, largely stock-style interface, while everyday convenience features include a side fingerprint sensor, face unlock, NFC, Bluetooth 5.2, dual-band Wi-Fi 5, and support for Google Pay. At 178.6 x 84 x 19.2 mm and 405 g, it is unmistakably bulky, but that size also leaves room for reverse wired charging and optional dock charging.

Pros

  • Huge battery life
  • Very rugged build
  • Dual SIM plus microSD

Cons

  • No 5G
  • Low-resolution display
  • Heavy body
Release date
December 3, 2025
Model
Ulefone RugKing 4 Pro
Memory
8 GB
Storage capacity
16 GB
SIM card
nano SIM
Network
4G
Operating system
Android
Screen size (inches)
6.56
Resolution
720 x 1612 at 269 ppi
Main camera
48 MP
Video
1080p at 30fps
Form factor
Bar
Battery
10200mAh
Weight (grams)
405 g
Height
178.6 mm
Width
84 mm
Thickness
19.2 mm
  • Canada