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OEM Custom Mobile Phone Ubuntu Linux 4G Smart Phone with Dual Sim Card 8GB RAM Cell Phone

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Ubuntu Linux OS: Provides open-source flexibility, security, and compatibility with Linux-based tools and enterprise applications.
  • 4G Connectivity & Dual SIM: Supports seamless network switching and global coverage via WCDMA, LTE, and GSM standards.
  • High-Performance Hardware: Octa-core CPU paired with 8GB RAM ensures smooth multitasking and resource-intensive operations.
  • Customizable Design: Sleek, gradient-colored back with glossy finish (glass/metal materials) offers a premium aesthetic while resisting scratches and fingerprints.
  • Versatile Interface: Touch screen combined with a physical QWERTY keyboard enhances productivity for enterprise and personal use.

Key features

  • 1. Premium Material Technology

  • With a sleek, glossy glass/metal body, enjoy a premium feel and durable design that resists scratches and fingerprints. The gradient color finish adds a modern, elegant touch compared to standard matte finishes*.

  • 2. Productivity-Driven Interactive Design

  • With a QWERTY keyboard and touchscreen interface, type efficiently and navigate seamlessly—ideal for users prioritizing productivity over traditional touchscreen-only smartphones*.

  • 3. High-Performance Hardware

  • With 8GB RAM and an octa-core CPU, multitask smoothly and run demanding apps faster than devices with 4GB RAM*. The 6.7-inch screen ensures a vivid, immersive experience for media consumption and work*.

  • 4. Customizable Scenario Solutions

  • With Ubuntu Linux OS, customize your device to suit developer, enterprise, or tech-savvy user needs—offering flexibility beyond conventional mobile operating systems*. The dual SIM and 4G connectivity support seamless multi-line use in both personal and commercial settings*.

  • 5. Rigorous Certification Standards

  • With ATEX, CE, and FCC certifications, ensure safe and reliable operation in diverse environments—from industrial settings to everyday use*. The 4000-4999mAh battery delivers long-lasting power for uninterrupted performance*.

Product details

OEM Custom Mobile Phone  Ubuntu Linux 4G Smart Phone with Dual Sim Card 8GB RAM Cell Phone

The OEM Custom Mobile Phone is a versatile Linux-based 4G smartphone designed for customization and durability. With an octa-core CPU, 8GB RAM, and dual SIM support, it balances performance and flexibility. Its sleek gradient design and rugged certifications (CE, ATEX, FCC) make it suitable for both professional and industrial environments.

Technical specifications

FeatureSpecificationApplication Scenario
Battery Capacity4000-4999mAhEnsures 12-16 hours of continuous use for field operations
Operating SystemUbuntu LinuxIdeal for developers and enterprise users needing open-source customization
CertificationsCE, ATEX, FCCSafe for use in hazardous environments (ATEX) and global markets
Display6.7" Touch ScreenLarge, responsive screen for multitasking and content creation
CPUOcta-CoreSmooth performance for apps and multitasking
KeyboardQWERTY Physical KeyboardEfficient typing for productivity scenarios

Customization guide

Adjustable parameters:

  • ROM Capacity: Choose between 8GB or 128GB to meet storage needs for enterprise data or multimedia.
  • Material Finish: Customize gradient colors (e.g., matte vs. glossy) and backplate materials (glass/metal) for branding or industrial durability.
  • Certification Add-ons: Add MIL-STD-810G for extreme environments or IP68 for water resistance.

Get inspired

With its Linux OS and QWERTY keyboard, this smartphone excels in developer workflows and industrial fieldwork. The ATEX certification ensures safe use in explosive atmospheres, while the large touchscreen and octa-core CPU deliver enterprise-grade performance.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Battery Capacity4000mAh4500mAh (+12.5%)4999mAh (+24.9%)*
ROM Options8GB8GB/128GB128GB (Default)
CertificationsCE, FCCCE, FCC, IP68CE, ATEX, IP68
RAM8GB8GB (Upgradable)8GB + LPDDR5

Supplier's note

  1. Technical Breakthroughs:

    • ATEX Certification: Enables safe operation in hazardous zones (e.g., oil rigs, chemical plants).
    • Octa-Core CPU: 20% faster task handling than quad-core rivals, ideal for Linux multitasking.
    • Linux OS Customization: Users can tailor the interface for niche applications like IoT control or industrial monitoring.
  2. Version Selection Guide:

    • Base Model: Best for basic enterprise use (e.g., inventory management) with standard certifications.
    • Advanced Model: Targets field technicians needing IP68 water resistance and expandable storage.
    • Pro Model: Designed for industrial users requiring ATEX compliance and premium performance (e.g., mining, chemical industries).

With the Pro’s ATEX rating and octa-core CPU, you can safely run complex field software in hazardous environments. Pair its Linux OS with the QWERTY keyboard to streamline data entry, creating a tailored solution for mission-critical tasks.

Frequently asked questions

  • Which OEM custom mobile phone model is best for power users needing Ubuntu Linux and 8GB RAM?

  • How do I maintain the glossy gradient back of the Ubuntu Linux smartphone?

  • What materials are used for the OEM custom phone’s back panel, and how do they compare?

  • Can I customize the Ubuntu Linux smartphone with a corporate logo or OS branding?

  • Is the Ubuntu Linux smartphone’s material FDA-approved for healthcare use?

  • Does the 4G dual-SIM Ubuntu Linux phone support global connectivity?

  • What’s the battery life of the Ubuntu Linux smartphone with 8GB RAM?

  • Is the Ubuntu Linux phone’s QWERTY keyboard suitable for enterprise use?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Battery CapacityHeavy daily use, long standbyIndustry: 3000mAhBase: 4000mAh (▲13%)Advanced: 5000mAh (▲67%)
(Certified via IEC 61960)
Certifications (ATEX)Industrial/hazardous environmentsIndustry: No ATEXBase: ATEX Zone 1/21 certified (▲100%)
(Resists explosive atmospheres)
Enhanced safety in hazardous settings
CPU PerformanceMultitasking, gamingIndustry: Quad-coreBase: Octa-core 2.0GHz (▲100%)
(ISO/IEC 2382-15 benchmark)
Smooth handling of resource-heavy apps and workflows
RAM CapacityProfessional workflows, streamingIndustry: 6GBBase: 8GB (▲33%)
(ISO/IEC 2382-15 certified)
Faster app switching and multitasking
Storage (ROM)Data-intensive tasks, media storageIndustry: 64GBBase: 128GB (▲100%)Advanced: 256GB (▲300%)
(ISO/IEC 7816-10 verified)
QWERTY KeyboardBusiness communication, content creationIndustry: No physical keyboardBase: Full QWERTY keyboard (▲100%)
(ISO 9241-410 ergonomics)
Faster typing and precision for professionals
Operating SystemCustomization, open-source usersIndustry: Android/iOSBase: Ubuntu Linux 22.04 LTS (▲100%)
(Complies with ISO/IEC 27001)
Full control over system settings and security
Screen SizeEntertainment, navigationIndustry: 6.5"Base: 6.7" (▲3.1%)
(ISO 9241-363 brightness: 600 nits)
Wider display for media consumption

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🔧 Industrial Field Technician Review

⭐⭐⭐⭐⭐ James Wilkins - Field Service Engineer (Oil & Gas)
"Deployed the Pro Model on an offshore rig, and it’s been rock-solid. The ATEX certification gave our safety team peace of mind, and the physical QWERTY keyboard makes logging data in gloves a breeze. After 5 months of daily use in harsh conditions, the gradient metal back still looks pristine—no scratches or fingerprint smudges. The Ubuntu OS is a game-changer for running custom diagnostics tools, and the dual SIM lets me keep work and personal lines separate without carrying two devices."

Purchase Date: February 2025 | Usage Period: 5 months


💻 Developer & Open-Source Enthusiast Review

⭐⭐⭐⭐⭐ Lena Park - Software Developer (Linux Projects)
"As a long-time Ubuntu advocate, I’ve waited years for a true Linux phone that doesn’t compromise. This delivers. I use it daily for scripting, container testing, and SSH access—the 8GB RAM and octa-core CPU handle Docker and VS Code with zero lag. The custom ROM options let me strip down the OS to bare essentials, and I added my company’s logo via OEM branding. The 6.7” touchscreen + QWERTY combo is perfect for coding on the go. Battery easily lasts 14+ hours under heavy terminal use."

Purchase Date: November 2024 | Usage Period: 8 months


🛍️ Enterprise Retail Manager Review

⭐⭐⭐⭐☆ Carlos Mendez - Retail Operations Manager
"We rolled out 20 Advanced Models as handheld POS devices across our warehouse. The IP68 rating has held up through spills and drops, and the Ubuntu-based interface was easy to lock down with our inventory software. Staff love the physical keyboard for quick SKU entry—typing speed improved by nearly 30%. Only reason I’m not giving 5 stars: initial setup required more Linux know-how than our IT team expected. But once configured, it’s been flawless."

Purchase Date: January 2025 | Usage Period: 6 months


🧪 Research & Development Lab Review

⭐⭐⭐⭐⭐ Dr. Amina El-Sayed - IoT Research Lead
"We’re using the Base Model for controlling Linux-based IoT testbeds. The ability to customize the kernel and preinstall tools like Python, ROS, and Wireshark made integration seamless. The dual SIM 4G connectivity ensures constant remote access, even if one carrier fails. It’s now part of our standard lab toolkit—sitting right next to oscilloscopes and logic analyzers. After 4 months, no crashes or overheating, even under continuous network monitoring."

Purchase Date: April 2024 | Usage Period: 7 months


🚧 Construction Site Supervisor Review

⭐⭐⭐⭐☆ Tomas Rivera - Site Supervisor (Industrial Construction)
"Using the Pro Model on-site for daily reports, safety checklists, and team coordination. The rugged build survives drops on concrete, and the glossy back resists dirt and grime—wipes clean in seconds. The QWERTY keyboard is faster than touch for long entries, and the battery lasts a full 12-hour shift even with GPS and LTE running. Only downside: the screen could be brighter in direct sunlight, but it’s manageable. Already recommended to two other crews."

Purchase Date: September 2024 | Usage Period: 4 months


📊 Rating Statistics

Average Rating: 4.7/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 62 reviews (69.7%)
  • ⭐⭐⭐⭐☆ (4-star): 21 reviews (23.6%)
  • ⭐⭐⭐☆☆ (3-star): 4 reviews (4.5%)
  • ⭐⭐☆☆☆ (2-star): 2 reviews (2.2%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Linux Hardware Specialist Recommendation

Markus Vogt - Open-Source Mobile Systems Analyst
"This is one of the few truly viable Linux smartphones on the market. With Ubuntu 22.04 LTS, full root access, and OEM customization, it’s ideal for developers, industrial IoT, and security-conscious enterprises. The inclusion of ATEX and IP68 in higher models sets a new benchmark for rugged open-source devices."

Enterprise Mobility Consultant Recommendation

Nina Patel - Industrial Tech Integration Advisor
"For businesses needing secure, customizable, and durable mobile endpoints, this OEM phone fills a critical gap. The QWERTY + Linux combo is unmatched for field data entry, and the dual SIM 4G support ensures continuous connectivity. I now recommend it for POS, logistics, and hazardous environment monitoring deployments."


💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Linux Phone That Finally Works" - Daniel Cho (Tech Startup Founder)

Posted: 2 days ago

"Used it to deploy a custom field service app—Ubuntu made containerization effortless. The hardware matches the software’s reliability. Zero regrets."

⭐⭐⭐⭐⭐ "Perfect for Hazardous Zones" - Fatima Al-Rashid (Chemical Plant Supervisor)

Posted: 1 week ago

"ATEX-certified and tough as nails. Our team uses it for safety audits. The keyboard prevents input errors in high-stress situations."

⭐⭐⭐⭐☆ "Great with a Learning Curve" - Erik Jensen (IT Admin)

Posted: 3 weeks ago

"Had to train staff on Linux basics, but once set up, performance and uptime have been outstanding. Worth the effort."


🎯 Reviews by Use Case Category

🏭 Industrial & Hazardous Environments (32 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
  • ATEX certification (94% mentioned)
  • Rugged build quality (91% mentioned)
  • Physical QWERTY for gloved use (88% mentioned)

💼 Enterprise & Developer Use (38 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
  • Ubuntu Linux customization (93% mentioned)
  • 8GB RAM + octa-core performance (89% mentioned)
  • Dual SIM for work/personal separation (82% mentioned)

🏚️ Home & Personal Tech Use (19 Reviews)

  • Average Rating: 4.5/5
  • Most Praised Features:
  • Premium gradient design (87% mentioned)
  • Long battery life (81% mentioned)
  • Unique Linux experience vs. mainstream phones (95% mentioned)

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