Yes—an old Samsung Galaxy can take on several small Raspberry Pi-style projects, especially if you keep Android and add the Termux command-line environment. It is best suited to lightweight experiments and personal tools, not projects that require Raspberry Pi OS, GPIO pins, or dependable unattended operation. Check your exact Galaxy model and Android/One UI version, then test whether the app your project needs stays active with the screen off.
What a phone can—and cannot—replace
A Galaxy already has an ARM processor, storage, Wi-Fi, a battery, a display, and cameras. Termux adds an Android terminal and Linux environment, with an APT package manager and development tools; the Termux project describes it as a “Terminal emulator and Linux environment for Android.” Termux project
As an Amazon Associate I earn from qualifying purchases.
That does not turn the phone into a conventional Raspberry Pi. Even when you run a Linux userspace under PRoot, Android remains in control; it is not the same as booting Raspberry Pi OS, and it does not automatically expose the same privileges or hardware interfaces. A community-documented Termux, Debian-under-PRoot, and OpenSSH setup is one way to make a phone a remote development box, not evidence of Pi-level compatibility. Wojciech Domski’s setup guide
Recommended Free Tools
Five projects to try on an old Galaxy
1. Pocket development and SSH box
Install Termux to learn command-line tools or work on lightweight development tasks. One documented approach adds Debian through PRoot and OpenSSH so you can connect remotely. The setup remains Android-hosted rather than a standard Linux installation, so verify that the tools you need work in that environment. Termux project Domski’s Termux development-server example
#1 Best Overall
- Includes Raspberry Pi 5 with 2.4Ghz 64-bit quad-core CPU (8GB RAM)
- Includes 128GB Micro SD Card pre-loaded with 64-bit Raspberry Pi OS, USB MicroSD Card Reader
- CanaKit Turbine Black Case for the Raspberry Pi 5
- CanaKit Low Noise Bearing System Fan
- Mega Heat Sink - Black Anodized
2. Small local web or utility service
Termux’s package manager and developer tools make it a plausible place to experiment with a personal development endpoint or a simple network utility. Treat this as a project to test on your own phone, not as a guarantee of reliable public hosting: Android background behavior, network conditions, and package availability vary by device and software version. Termux project
3. Camera endpoint or time-lapse device
A fixed Galaxy can serve as the camera for a monitoring or time-lapse experiment, using its built-in camera rather than adding a separate one. The idea is conditional: the available information does not establish continuous-recording reliability for any particular Galaxy model or app. Check heat, charging, storage, network access, and whether your chosen app keeps running for the duration you need. AndroidExperto’s repurposing ideas
Rank #2
- CanaKit Raspberry Pi 5 Essentials Starter Kit
4. Smart-home display or experimental node
Use the screen as a dedicated dashboard or control display for a smart home. That role is different from making the handset a full-time automation controller: a display can be useful when opened or left visible, while a controller must remain available to run tasks. A community-maintained Termux project documents a Home Assistant-related server setup, but it is an experimental route rather than a supported one-click installation. Termux desktop and Home Assistant-related community project AndroidExperto’s repurposing ideas
What’s actually slowing this PC down?
Pick the symptom - the matching free tool is one click away.
5. Media server for a small personal library
If you are comfortable with a more involved setup, an independent guide describes running Jellyfin through Termux and a PRoot Linux environment. It is not a one-tap Android installation. Do not assume an unspecified Galaxy can transcode video, serve multiple users, stay online continuously, or provide a particular amount of usable storage. AndroidLab’s Jellyfin and Termux guide
Rank #3
- Pi5 8GB Pack: RasTech Pi 5 8GB kit includes 1 x Pi5 8GB board ,1 x 64GB Card, 2 x Card Readers,1 x Active Cooler,1 x Case for Pi5, 2 x 4K Micro HD Out Cable,1 x GaN 27W 5A USB-C Power supply,1 x Screwdriver and 1 x instructions.
- Pi5 8GB Board: The Pi5 board is equipped with a 64-bit quad-core Arm Cortex-A76 processor running at 2.4GHz and an 800MHz VideoCore VII GPU with support for OpenGL ES 3.1 and Vulkan 1.2, which delivers a significant increase in graphics performance. Dual HD Out 4Kp60 display outputs and a built-in dual 4-channel MIPI camera/display transceiver provide state-of-the-art camera support. The Pi 5 offers a 2-3 times increase in CPU performance compare to Pi4.
- Important Graphics Features: Equipped with an 800MHz VideoCore VII GPU and providing better graphics performance, suitable for multimedia applications,gaming,and graphics intensive tasks.Provides 1 UART interface,1 card slot that supports high-speed operation, 2 USB. 3 0.5 ports that support synchronous 0Gbps operation,2 USB 2.0 port ports,2 4Kp60 display outputs that support HDR.Built-in dedicated dual 4-channel 1Gbps MIPI DSI/CSI connectors,triple the total bandwidth.
- Cooling Kit for Pi 5: Compatible with Active Cooler for Raspberry Pi5, It can provide Pi 5 board with better cooling effect in using. The Case can accurately access usb-c power jack,Micro HD Out ports, usb ports, Ethernet jack, card slot, power button, 4-lane MIPI DSI/CSI connectors and so on, and it also supports installation of cooling fan.
- 64GB Card Kit and GaN 27W USB-C Power Supply: With extra 64GB card to store more files and card readers for multiple medium, keep better performance for Raspberry Pi 5, 27W USB C Power Supply is Compatible with Pi5 8GB, offers a variety of output voltage options, including 5.1V at 5A, 9.0V at 3.0A, 12.0V at 2.25A, and 15.0V at 1.8A, providing for different device requirements.
Check whether your Galaxy can keep the project running
Android places limits on background work, and battery restrictions can stop or constrain apps. Samsung also provides controls for sleeping and deep-sleeping apps, with a Never sleeping apps setting; exact menu names and behavior depend on Android and One UI versions. Android Developers: background optimization Samsung Developer: application management
- Check the phone’s model and Android/One UI version, then confirm the app and setup you plan to use are compatible.
- For an unattended task, review Samsung’s app sleep controls and exempt the chosen app where appropriate. Settings labels and paths can differ between versions.
- Keep the phone powered in a safe, ventilated place if the task needs long runtimes.
- Test the actual workload with the screen off and over the duration you expect to use it. Confirm that the app remains available, the network connection holds, and storage is sufficient.
Passing a short test does not establish long-term reliability. Recheck after changing power settings, updating Android, or switching apps.
Rank #4
- A RASPBERRY PI 5 KIT FROM AN APPROVED RESELLER: This Vilros Complete Starter Kit for Pi 5 Includes Raspberry Pi 5 Board with all the accessories you need to get started.
- 9 PART KIT INCLUDES MOST ACCESSORIES NEEDED YOU TO GET UP AND RUNNING: 1. Raspberry Pi 5 Board–2.Metal/Aluminum Alloy Passive & Active Cooling Case–3.Raspberry Pi 5 Compatible Power Supply–4. PWM fan With 10k Max RPM Capacity (pre-installed in the case)--5. 32GB Micro SD Card With 64bit Raspberry Pi OS Preinstalled–6. Standard HDMI to Micro HDMI Adapter Cable--7.Neoprene Storage bag–8.Vilros Quickstart Guide for Raspberry Pi–9. Mini To Standard Camera Module Adapter Cable to use a camera module with a PI 5
- RASPBERRY PI 5 SPECS AND FEATURES:--Processor: Broadcom BCM2712 2.4GHz quad-core 64-bit Arm Cortex-A76 CPU, with cryptography extensions, 512KB per-core L2 caches, and a 2MB shared L3 cache----Features: 2.4GHz quad-core, 64-bit Arm Cortex-A76 CPU–VideoCore VII GPU supporting Vulkan 1.2 and OpenGL ES–LPDDR4X-4267 SDRAM (4GB and 8GB options)--PCIe 2.0 x1 interface for fast peripherals ( Requires adapter)--Dual-band 802.11ac Wi-Fi 2.4 GHz and 5.0 GHz –Bluetooth 5.0 / Bluetooth Low Energy (BLE)
- MULTIFUNCTION PASSIVE & ACTIVE COOLED CASE: The case features a built-in pole/column that contacts the main chip on the Raspberry Pi 5 board via an included thermal pad to passively cool the board and also includes a preinstalled PWM Fan that plugs directly into the fan port on the board. The fan will only turn on if needed and will also increase RPMs as needed. Other features include a built-in power button that shows the onboard light status, camera module compatibility, and can be used in the single-layer configuration for hat compatibility
- HIGH-QUALITY COMPONENTS: All components are manufactured with Raspberry Pi in mind and are backed by the Vilros 1-Year warranty.
When a Raspberry Pi is still the better choice
Choose a Pi when the project specifically needs a standard Linux installation, GPIO or other board-level hardware interfaces, repeatable unattended behavior, or a well-documented Pi-specific setup. A Galaxy may save a project from needing another device, but its Android app environment and background restrictions make it a less direct fit for those jobs. There is no universal performance winner: the answer depends on the exact phone, Pi model, software, and workload. Android Developers: background optimization Domski’s discussion of the phone as a development server
Outdated Drivers Are Slowing You Down
One free scan finds every outdated or missing driver and matches the right update for your exact hardware.Free scan · exact hardware matchPC Slower Than It Used to Be?
A free scan shows the junk files, broken settings and background clutter dragging Windows down - then fixes them in one click.Free scan · Windows 10 & 11Samsung’s Linux-on-Galaxy history is not a current compatibility promise
Samsung’s 2017 Linux on Galaxy article described running a Linux distribution as an app while Android controlled device resources. It is historical context, not confirmation that the feature is currently supported or available on your Galaxy. DeX support is also model-specific, so do not infer it from that older article. Samsung Developer: Linux on Galaxy (2017)
Quick Recap
Best Value
- Includes Raspberry Pi 5 16GB with 2.4Ghz 64-bit quad-core CPU (16GB RAM)
- Includes 128GB Micro SD Card pre-loaded with 64-bit Raspberry Pi OS, USB MicroSD Card Reader
- CanaKit Turbine Black Case for the Raspberry Pi 5
- CanaKit Low Noise Bearing System Fan
- Mega Heat Sink - Black Anodized
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
