Beyond Android: Exploring Alternative Mobile Operating Systems on the Fairphone 5

In an era where Google's Android has transformed from an open platform into what many consider a pervasive surveillance ecosystem, users seeking privacy and digital autonomy are increasingly turning to alternative mobile operating systems. This exploration examines the landscape of mobile OS alternatives, focusing on their implementation, functionality, and trade-offs when installed on the Fairphone 5—a device designed with sustainability and user repairability in mind.

The Quest for Digital Autonomy

The author's journey began with a recognition that "Google Android devices are effectively working against their owners" as the platform evolved into what they term a "spyware platform." This sentiment reflects growing concerns about data privacy, corporate control, and the limitations imposed by vendor-locked ecosystems. The search for alternatives represents not merely a technical preference but a philosophical stance regarding digital rights and user sovereignty.

Categorizing Alternative Mobile OSes

The mobile OS landscape can be broadly divided into two categories:

1. Degoogled Android Variants

These operating systems are built upon the Android Open Source Project (AOSP), maintaining compatibility with Android applications while removing Google's proprietary services and tracking mechanisms. Examples include:

• AOSP-based: CalyxOS, GrapheneOS, LineageOS
• LineageOS-based: /e/OS, iodéOS

These systems offer a familiar user experience while addressing privacy concerns, though they remain fundamentally Android in architecture and philosophy.

2. Mobile Linux Distributions

These systems represent a more radical departure from Android, offering traditional Linux environments optimized for mobile devices. They emphasize openness and community-driven development, though they often include some closed-source components. Examples include:

• Mobian
• postmarketOS
• SailfishOS
• Ubuntu Touch

While these systems share the Linux kernel with Android, their overall architecture, user interface, and application ecosystem differ significantly from traditional Android implementations.

The Inevitable Trade-offs

Transitioning away from Google Android necessitates accepting certain compromises. The author provides a comprehensive overview of these limitations:

Functionality Limitations

• Mobile Payments: NFC payment functionality remains largely unavailable outside Google's ecosystem, affecting services like Google Pay and Samsung Pay.
• Camera Performance: The main camera frequently exhibits reduced quality, with images appearing noisier, blurrier, and more discolored than under stock Android. This stems from chipset manufacturers intentionally restricting access to proper drivers and post-processing software.
• Fingerprint Sensor Support: Varies significantly between OS implementations and devices.
• Application Availability: The absence of the Google Play Store requires alternative distribution channels like F-Droid or Aurora Store, with varying levels of app compatibility.
• GPS Performance: Positioning may be slower or less accurate under certain mobile Linux distributions.
• VoLTE Support: 4G/5G voice calls may not function properly on all device/OS combinations, depending on IMS (IP Multimedia Subsystem) implementation.

System Limitations

• File System Access: Many alternative OSes maintain locked file systems for security and consistency, limiting user access to system files.
• eSIM Support: Generally unavailable due to lack of proper drivers.
• Work Profile Support: Corporate-managed work profiles require Google Android, presenting challenges for users needing separate work and personal spaces on a single device.

These limitations represent the primary barriers to widespread adoption of alternative mobile operating systems and must be carefully considered when evaluating options.

Detailed OS Evaluation on the Fairphone 5

Ubuntu Touch

Ubuntu Touch presents an interesting blend of traditional Linux functionality with mobile optimization.

Strengths:

• Full Linux environment with terminal access
• Excellent desktop integration when connected to external displays
• Smooth task management and intuitive UI
• Straightforward Waydroid installation for Android app compatibility
• Fingerprint sensor support

Weaknesses:

• Extremely limited app ecosystem (approximately 583 applications in the Open Store, with many being outdated or non-functional)
• Browser compatibility issues, with Morph browser failing Cloudflare verification and being blocked by many websites
• No integrated password manager
• No shared clipboard between Linux and Android applications

The author notes that while Ubuntu Touch demonstrates impressive technical capabilities, its limited app ecosystem and compatibility issues make it challenging as a daily driver for most users.

SailfishOS by Jolla

SailfishOS distinguishes itself through its unique user interface approach and strong emphasis on user experience.

Strengths:

• Intuitive, gesture-based interface that took approximately five minutes to master
• Fast, smooth performance with aesthetically pleasing design
• Terminal access with filesystem unlock capability
• VoLTE support for cellular calls
• Fingerprint sensor functionality
• External display support

Weaknesses:

• Main camera functionality issues on Fairphone 5
• Lack of Android AppSupport on community-supported devices
• Limited application availability (~300 in Jolla store, ~1000-2000 through OpenRepos)

The author expresses particular admiration for SailfishOS, noting that "the whole experience was so perfect, I couldn't cope with the blurry photos and the missing AAS (Android AppSupport)." The system demonstrates that alternative mobile interfaces can be both intuitive and powerful, though hardware compatibility remains a challenge.

iodéOS by iodé

iodéOS represents a middle ground, offering a degoogled Android experience with enhanced privacy features.

Strengths:

• Privacy-focused features including tracker blocking and connection analysis
• Pre-installed Aurora Store and F-Droid for application management
• microG integration for Google service compatibility
• Banking application functionality
• Fingerprint sensor, GPS, and VoLTE support

Weaknesses:

• Locked file system
• Main camera performance issues
• Freemium security model (advanced privacy features require payment)
• Limited external display functionality (screen mirroring only)

The author notes that while iodéOS provides a solid privacy-focused Android experience, its freemium approach to privacy features and camera limitations led them to explore other options.

/e/OS by Murena

/e/OS emerges as the author's final choice, offering a balance between privacy, functionality, and application compatibility.

Strengths:

• Main camera functionality (particularly in the official version)
• Comprehensive privacy features including geolocation spoofing and IP address masking
• Combined application storefront showing both Aurora and F-Droid apps
• Privacy analysis of applications before installation
• Regular, smooth updates
• microG integration for application compatibility

Weaknesses:

• Locked file system
• Pre-installed bloatware applications (though these can be removed)

The author specifically praises /e/OS for its camera performance on the Fairphone 5, noting that "with some tinkering, you can put the official camera app on the community edition, but it's complicated, and the gain is said to be insignificant." This represents a significant advantage for users who prioritize camera functionality.

postmarketOS

While not personally tested by the author, postmarketOS represents an intriguing option for users seeking maximum Linux compatibility and longevity.

Strengths:

• Based on Alpine Linux with support for traditional Linux package formats
• Unlocked filesystem
• Waydroid compatibility for Android applications
• GPS functionality

Weaknesses:

• Main camera limitations
• Potential VoLTE issues
• Fingerprint sensor support varies
• Some device-specific audio issues

postmarketOS particularly appeals to users interested in extending device lifespan, with the author noting it's "famous for giving a second chance to devices abandoned by their manufacturers."

The Fairphone 5: A Platform for Exploration

The Fairphone 5 serves as an ideal platform for exploring alternative operating systems due to several key characteristics:

• Sustainable Design: Designed for repairability and longevity
• Open Architecture: Supports multiple operating systems beyond stock Android
• Ethical Manufacturing: Prioritizes ethical supply chains and reduced imperialist ties
• Community Support: Strong community backing for alternative OS implementations

The author selected the Fairphone 5 over newer models specifically because it "gave me a wider selection of compatible OSes to choose from." This forward-thinking approach reflects a desire to maintain flexibility as the mobile OS landscape evolves.

The Selection Process

The author's decision-making process reveals thoughtful consideration of multiple factors:

Priorities Established

• Privacy: Exclusion of Google, Meta, and Microsoft services
• Ethics: Sustainable manufacturing and minimal imperialist ties
• Longevity: Device capable of running multiple OS options
• Functionality: Essential services like mobile payments and camera performance

Evaluation of Alternatives

Several devices and OS combinations were considered:

• Shiftphone: Appealing for sustainability but ultimately rejected due to stronger Chinese supplier ties
• GrapheneOS: Privacy-focused but requires a Google Pixel device, creating philosophical inconsistency
• Fairphone 5: Chosen for its ethical manufacturing, repairability, and multi-OS support

The author expresses particular concern about Google's potential to "kill off other Android variants" through technical or legal means, necessitating a device with options beyond Android-based systems.

Future Directions and Aspirations

Looking forward, the author articulates a vision for mobile computing that prioritizes user freedom and ethical design:

"What would be even better for me than my current device? Of course, a sustainable, repairable phone developed and manufactured in the EU. It should run important apps under mobile Linux while offering full camera support, without relying on Android at all. I hope there will be such devices available in 5-10 years."

This vision encompasses several key elements:

• Ethical manufacturing and supply chains
• Repairable and sustainable design
• Native Linux application support
• Full hardware functionality
• Independence from corporate-controlled ecosystems

Conclusion

The exploration of alternative mobile operating systems represents more than a technical exercise—it embodies a philosophical stance regarding digital rights, privacy, and user autonomy. While each system presents significant trade-offs, particularly in application compatibility and hardware functionality, the rapid development of these alternatives suggests a growing movement toward digital independence.

The Fairphone 5, with its commitment to sustainability and open architecture, serves as an ideal platform for this exploration. As the author's journey demonstrates, finding the right operating system requires careful consideration of personal priorities, with solutions like /e/OS offering compelling balances between privacy, functionality, and application compatibility.

As the mobile OS landscape continues to evolve, the existence and refinement of these alternatives provide hope for a future where users maintain meaningful control over their digital experiences, free from the pervasive surveillance and vendor lock-in that characterizes dominant platforms today.