Downloads
Firmware images are built per device and released in several versions. Application packages are shared across devices, but each package is tied to a specific firmware version — check the compatibility column before flashing.
Note — All entries below are placeholders. Real builds will be published here as the hardware evolves.
Device Firmware
Pick your device, then choose a firmware version. Each version lists the application package it is compatible with.
SDA Evo
Current flagship handheld. Full-size display, stylus support, and the complete application set.
| Version | Released | Apps Package | Download |
|---|---|---|---|
| v2.5.0beta | 2026-09-01 | apps-2.5 |
Download
9f2c1a7e4b8d3f60a5c9e1b7d4f8a2c6e0b3d9f5a1c7e4b8d2f6a0c9e3b7d1f5 |
| v2.4.0stable | 2026-08-12 | apps-2.4 |
Download
3a7e1c9f5b2d8e4a6c0f3b9d7e1a5c8f2b6d0e4a9c3f7b1d5e8a2c6f0b4d9e3a |
| v2.3.1stable | 2026-05-03 | apps-2.3 |
Download
c4f8a2d6e0b3c7f1a5d9e3b7c0f4a8d2e6b9c3f7a1d5e8b2c6f0a4d9e3b7c1f5 |
| v2.2.0legacy | 2025-11-20 | apps-2.2 |
Download
7b1d5e8a2c6f0b4d9e3a7c1f5b8d2e6a0c4f9b3d7e1a5c8f2b6d0e4a9c3f7b1d |
SDA Wonder
Compact model with a smaller display and reduced memory footprint. Shares the same application packages as the Evo.
| Version | Released | Apps Package | Download |
|---|---|---|---|
| v1.8.0stable | 2026-07-30 | apps-2.4 |
Download
e0b3c7f1a5d9e3b7c0f4a8d2e6b9c3f7a1d5e8b2c6f0a4d9e3b7c1f5a8d2e6b0 |
| v1.7.2stable | 2026-03-14 | apps-2.3 |
Download
5b8d2e6a0c4f9b3d7e1a5c8f2b6d0e4a9c3f7b1d5e8a2c6f0b4d9e3a7c1f5b8d |
| v1.6.0legacy | 2025-09-05 | apps-2.2 |
Download
a1d5e8b2c6f0a4d9e3b7c1f5a8d2e6b0c4f9b3d7e1a5c8f2b6d0e4a9c3f7b1d5 |
Application Packages
Shared across all devices. Each package requires a firmware with matching SDA_OS version. Unzip the package to the APPS directory on the SD Card.
apps-2.5
Bleeding-edge application set with the newest features and experimental tooling.
v2.5.xapps-2.4
Current stable application set. Recommended for everyday use on supported devices.
v2.4.x / v1.8.xapps-2.3
Previous stable application set, kept for devices that have not been updated yet.
v2.3.x / v1.7.xapps-2.2
Legacy application set for older firmware. No longer receiving feature updates.
v2.2.x / v1.6.xMisc
Other bits and bobs — tools, sources, and extras that do not belong to a specific firmware release.