BLE Image Updates
v1.6.1/ 19-August-2026
- Improve stability of host HCI over IPC when controller sleep mode is enabled.

v1.6.0/ 07-July-2026
- Adjust the TIFS. for the coded mode.
- Disable the power change when the power control feature is disabled.
- Support the low power mode.
- Update the TX power lookup table.
- Optimize baseband power management.
- Add vendor command to update the XTAL trimming value.
- Enable support of 2.5ms ISO interval.
- Set the timeout for waiting IPC share memory configuration.
- Supported BLE LL features update.
- Added LE QoS connection event report.
- Added vendor command to get RSSI value of the LE DTM mode.
- Upgraded the controller stack.

* INFO1 information on successful install:
 INFO1_EXTIMGTYPE0: 2
 INFO1_EXTIMGVERSION0: 0x01060000
 INFO1_EXTIMGSTARTADDR0: 0x5B8000
 INFO1_EXTIMGENDADDR0: 0x5FFFFF

v1.5 / 17-December-2025:
-Fix the company ID error.
-Fix the issue that the PAWR fails to create connection with the synchronized device.
-Fix pairing compatibility issues.

* INFO1 information on successful install:
 INFO1_EXTIMGTYPE0: 2
 INFO1_EXTIMGVERSION0: 0x01050000
 INFO1_EXTIMGSTARTADDR0: 0x5B8000
 INFO1_EXTIMGENDADDR0: 0x5FFFFF
 
v1.4 / 21-November-2025:
-Fix the issue that sometimes the baseband fails to enter deep sleep mode during the CIS connection.
-Zephyr version v4.3

* INFO1 information on successful install:
 INFO1_EXTIMGTYPE0: 2
 INFO1_EXTIMGVERSION0: 0x01040000
 INFO1_EXTIMGSTARTADDR0: 0x5B8000
 INFO1_EXTIMGENDADDR0: 0x5FFFFF

v1.3.0 / 11-November-2025:
 -Baseband power optimization.
 -Support the XTAL trim updated by the mailbox.
 -Update the Maximum number of ISO streams/groups from 3 to 4, and the Number of LE activities from 6 to 10

* INFO1 information on successful install:
 INFO1_EXTIMGTYPE0: 2
 INFO1_EXTIMGVERSION0: 0x01030000
 INFO1_EXTIMGSTARTADDR0: 0x5B8000
 INFO1_EXTIMGENDADDR0: 0x5FFFFF

v1.2.0 / 18-August-2025:
 -Update the rf driver to support the CTE I/Q data reception.
 -Wakeup the baseband after check it entered the deep sleep mode.
 -Update the ticktimer clock source to XTAL32.768k.
 -Fix the ADPLL re_initialization error.

* INFO1 information on successful install:
 INFO1_EXTIMGTYPE0: 2
 INFO1_EXTIMGVERSION0: 0x01020000
 INFO1_EXTIMGSTARTADDR0: 0x5B8000
 INFO1_EXTIMGENDADDR0: 0x5FFFFF
  
v1.1.0 / 23-June-2025:
Initial CM4 BLE firmware release:
This release is Bluetooth 5.4 compliant, targeting BLE features only. 
 -All packet types (Broadcasting / Advertising / Data / Control / ISO / Long Range). 
 -Advertising Extension. 
 -Isochronous channel operations support (CIS/BIS/proprietary mode). 
 -Encryption / Decryption (AES-CCM). 
 -Frequency Hopping calculation (scheme #1 and scheme #2). 
 -Low power modes support.
 -WLAN Coexistence mechanism(1-wire PTA 2-wire PTA 3-wire PTA and 4-wire PTA ). 
 -All device classes support (Broadcaster, Central, Observer, Peripheral). 
 
* INFO1 information on successful install:
 INFO1_EXTIMGTYPE0: 2
 INFO1_EXTIMGVERSION0: 0x01010000
 INFO1_EXTIMGSTARTADDR0: 0x5B8000
 INFO1_EXTIMGENDADDR0: 0x5FFFFF
 
*The following BLE features are tested:
 -Packet types (Broadcasting / Advertising / Data / Control).
 -Encryption / Decryption (AES-CCM). 
 -Frequency Hopping calculation (scheme #1 and scheme #2).
 -Low power modes support.
 -WLAN Coexistence mechanism(1-wire PTA 2-wire PTA 3-wire PTA and 4-wire PTA ). 
 -Device classes support (Broadcaster, Observer, Peripheral).
 -LE Data Packet Length Extension.
 -LE Security Connection.
 -Vendor commands for updating BT address,LE features and NVDS management.

*The following BLE features will be tested in future releases:
 -LE audio.
 -LE Long Range(Coded PHY).
 -Advertising Extension.
 -LE Power Control.
 -Power consumption of the idle connection and advertising
 
* Known issues/Limitations:
 -There is issue with CTE I/Q data reception.

