Download byteOS

⚠ WARNING
byteOS is currently in Alpha (Canary). These builds are unstable and for testing only.
⚠ WARNING
byteOS is not going to be updated. Don't worry, as to updates will come in about April.

Available Builds

Pre-Alpha 0.0.9 “Spark”

Channel: Canary · Version range: 0.0.x
Status: End of life
Replaced by Alpha
Target: BBC micro:bit v2
📝 Changelog

Alpha 0.1.2 “Firefly”

Channel: Canary · Version range: 0.1.x
Released: Feb 2026 (GMT+7)
Target: BBC micro:bit v2
File: Intel HEX firmware
App & Kernel updates
📝 Planned changes
🔐 SHA-256: e1cc55f9dc.....
🔐 Expected checksum: e1cc55f9dc9830ab7eedf409c2db931740af8caed27602ba242448ee8adcd7e8
✔ Official byteOS build
Compiled on 06 Feb 2026, 22:15 (GMT+7)
Alpha progress: 15 / 40 features
📝 Changelog

Beta

Channel: Dev · Version range: 0.5.x
Coming Q3 2026
App & Kernel optimization phase
📝 Planned changes

RC

Channel: Dev · Version range: 0.9.x
Coming Q2 2027
App stabilization phase
📝 Planned changes

Pre-RTM

Channel: Dev · Version range: 0.9.9x
Expected: Q3 2028
Stabilization phase
📝 Planned changes

RTM

Channel: Stable · Version range: 1.0.0
Coming Q4 2028
Manufacturer release
📝 Planned changes

GC (General Consumption)

Channel: Stable · Version range: 1.x
Expected: Q4 2028
Long-term consumer release
📝 Planned changes

Restricted Download

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