Latest firmware version

Ensure the firmware is up to date by connecting the product to the Marshall Bluetooth app and checking it in the 'About' section of the app.

GFP pairing improvements make phone detection and pop‑ups more reliable.
Mode switching between Bluetooth, BIS, AUX, and RCA smoother and more predictable.
Broadcast audio now resumes more reliably when moving out of range and back.
Wake‑from‑standby and power‑cycle behaviour significantly faster and more stable.
Volume jumps, pops, and sudden loudness issues fixed across multiple scenarios.
Bluetooth reconnection after OTA, reboot, or power‑cycle is now more dependable.
App pairing and BIS discovery issues on both iOS and Android were resolved.
Knob and LED responsiveness was improved to reduce lag and inconsistent behaviour.
Long broadcast sessions are now more stable with fewer dropouts or crashes.
Setup Mode reliability improved, especially when discovering or connecting to Heddon.
A2DP (classic Bluetooth) no longer hijacks BIS audio or fails when switching modes.
Multiple crash conditions—standby, setup mode, broadcast switching—were eliminated.
Airoha security patches strengthened system robustness and connection security.

Airoha Security patch implemented.
Google Fast Pair re-submission passed.
Fix for the iPhone 17 and iOS 26 issue with not being able to connect with the app

General stability and bug fixes.
Enables support for Marshall for Business.
Volume synchronisation has been improved, resulting in a faster response when turning the volume knob.

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