1. Added the external LED indicator for ignition control status.

1. The first firmware for newly released products.

1. Fixed the issue that the receiver would output signal caused by the model ID (saved into the receiver) being unmatched to the selected Model once powering it.

1. Added the support of the new hardware version.
2. Fixed the configuration issue of telemetry under 25mW mode.

1. Fixed the issue of incorrect behavior of the Xact servo working in FBUS mode once powering on the receiver.
2. Added the support of telemetry data transmission through 2.4G link in the TD mode (The telemetry via 2.4G link can be also achieved under sufficient range with the RF power settings above 25mW in EU mode).
Critical Note: TANDEM TD-ISRM RF Module firmware >=2.2.6 / TD-ISRM Pro >=1.1.13 must be installed. Please use ETHOS Suite to update the RF Module via the FRSK Flasher tab.

1. Added the 25mW option of the telemetry power. (The telemetry power of 2.4G and 900M bands is synchronized while the option is selected.)

1. Add the support of using LUA of MSH flight controller units.

Note: Please ensure you are using the v3.0.0 (or later versions) Lua scripts to configure the Stab device with flashed this firmware version. The older Stab Lua tools or the Stab tools in Device Config (ETHOS’s integration) are not compatible.

1. Added the Reset function to recover the Stab settings to the factory settings.
2. Added the AUX mode option to each Stab channel.
3. Cancelled the operation requiring putting the Throttle stick to the lowest (ï¼?000us) while doing the Self-Check.
4. Added the Stick Priority function for Stab channels
Notice: Please reset your stab device (by Lua tool) after flashing with this firmware version, and reconfigure it to make sure it can work properly.
Please read the instructional manual to ensure the self-stabilization function works properly. Click and Read �Manual

1.The first firmware for newly released products.

Note: Please ensure you are using the v3.0.0 (or later versions) Lua scripts to configure the Stab device with flashed this firmware version. The older Stab Lua tools or the Stab tools in Device Config (ETHOS’s integration) are not compatible.

1. Added the Reset function to recover the Stab settings to the factory settings.
2. Added the AUX mode option to each Stab channel.
3. Cancelled the operation requiring putting the Throttle stick to the lowest (ï¼?000us) while doing the Self-Check.
4. Added the Stick Priority function for Stab channels
5. The redundancy function turns valid once powered on.
Notice: Please reset your stab device (by Lua tool) after flashing with this firmware version, and reconfigure it to make sure it can work properly.
Please read the instructional manual to ensure the self-stabilization function works properly. Click and Read �Manual

1.The first firmware for newly released products.

1. Added the support of the new hardware version.
2. Fixed the issue of missing telemetry working above 25mW RF power in EU mode.

1. Fixed the issue of incorrect behavior of the Xact servo working in FBUS mode once powering on the receiver.
2. Added the support of telemetry data transmission through 2.4G link in the TD mode (The telemetry via 2.4G link can be also achieved under sufficient range with the RF power settings above 25mW in EU mode).
Critical Note: TANDEM TD-ISRM RF Module firmware >=2.2.6 / TD-ISRM Pro >=1.1.13 must be installed. Please use ETHOS Suite to update the RF Module via the FRSK Flasher tab.

1. Compatible with v0.2 hardware.
2. Improved signal performance under strong interference.

1. Added the 25mW option of the telemetry power. (The telemetry power of 2.4G and 900M bands is synchronized while the option is selected.)

Note: Please ensure you are using the v3.0.0 (or later versions) Lua scripts to configure the Stab device with flashed this firmware version. The older Stab Lua tools or the Stab tools in Device Config (ETHOS’s integration) are not compatible.

1. Added the Reset function to recover the Stab settings to the factory settings.
2. Added the AUX mode option to each Stab channel.
3. Cancelled the operation requiring putting the Throttle stick to the lowest (ï¼?000us) while doing the Self-Check.
4. Added the Stick Priority function for Stab channels
Notice: Please reset your stab device (by Lua tool) after flashing with this firmware version, and reconfigure it to make sure it can work properly.
Please read the instructional manual to ensure the self-stabilization function works properly. Click and Read �Manual

1. Added the support of telemetry data transmission through 2.4G link in the TD mode (The telemetry via 2.4G link can be also achieved under sufficient range with the RF power settings above 25mW in EU mode).
Critical Note: TANDEM TD-ISRM RF Module firmware >=2.2.6 / TD-ISRM Pro >=1.1.13 must be installed. Please use ETHOS Suite to update the RF Module via the FRSK Flasher tab.

1. Fxied the Stabilization Lua scripts’ compatibility issue running on part of OpenTX radio models;
2. Canceled the operation step of putting the throttle channel to the lowest position while doing the Self-Check function;
3. Fixed the issue of outputting useless data by SBUS once powering on the receiver.

1.The first firmware for newly released products.

Note: Please ensure you are using the v3.0.0 (or later versions) Lua scripts to configure the Stab device with flashed this firmware version. The older Stab Lua tools or the Stab tools in Device Config (ETHOS’s integration) are not compatible.

1. Added the Reset function to recover the Stab settings to the factory settings.
2. Added the AUX mode option to each Stab channel.
3. Cancelled the operation requiring putting the Throttle stick to the lowest (ï¼?000us) while doing the Self-Check.
4. Added the Stick Priority function for Stab channels
Notice: Please reset your stab device (by Lua tool) after flashing with this firmware version, and reconfigure it to make sure it can work properly.
Please read the instructional manual to ensure the self-stabilization function works properly. Click and Read �Manual

1. Fxied the Stabilization Lua scripts’ compatibility issue running on part of OpenTX radio models;
2. Canceled the operation step of putting the throttle channel to the lowest position while doing the Self-Check function;
3. Fixed the issue of outputting useless data by SBUS once powering on the receiver.

1.The first firmware for newly released products.

1. The redundancy feature is turned to effective once power-on.

1. Fixed the issue of data from the BlackBox not being read.

1. Fixed the issue of the communication range for the previous firmware version.

1. Improved the VFR capability and anti-interference performance.
Note: To work with this firmware update of the TW R8/GR8 receivers, please make sure the firmware of the TW-ISRM/TWIN Lite Pro RF module is upgraded to 1.0.5 or the latest version.

1. Fixed the RxBat telemetry issue that displayed voltage data with 6.52V only.

1. Fxied the Stabilization Lua scripts’ compatibility issue running on part of OpenTX radio models;
2. Canceled the operation step of putting the throttle channel to the lowest position while doing the Self-Check function.

Note: Please ensure you are using the v3.0.0 (or later versions) Lua scripts to configure the Stab device with flashed this firmware version. The older Stab Lua tools or the Stab tools in Device Config (ETHOS’s integration) are not compatible.

1. Added the Reset function to recover the Stab settings to the factory settings.
2. Added the AUX mode option to each Stab channel.
3. Cancelled the operation requiring putting the Throttle stick to the lowest (ï¼?000us) while doing the Self-Check.
4. Added the Stick Priority function for Stab channels
Notice: Please reset your stab device (by Lua tool) after flashing with this firmware version, and reconfigure it to make sure it can work properly.
Please read the instructional manual to ensure the self-stabilization function works properly. Click and Read �Manual

1. Fxied the Stabilization Lua scripts’ compatibility issue running on part of OpenTX radio models;
2. Canceled the operation step of putting the throttle channel to the lowest position while doing the Self-Check function.

Note: Please ensure you are using the v3.0.0 (or later versions) Lua scripts to configure the Stab device with flashed this firmware version. The older Stab Lua tools or the Stab tools in Device Config (ETHOS’s integration) are not compatible.

1. Added the Reset function to recover the Stab settings to the factory settings.
2. Added the AUX mode option to each Stab channel.
3. Cancelled the operation requiring putting the Throttle stick to the lowest (ï¼?000us) while doing the Self-Check.
4. Added the Stick Priority function for Stab channels
Notice: Please reset your stab device (by Lua tool) after flashing with this firmware version, and reconfigure it to make sure it can work properly.
Please read the instructional manual to ensure the self-stabilization function works properly. Click and Read �Manual

1. Fixed the issue of the communication range for the previous firmware version.
2. Added the angle control feature for Stabilization mode.(TW SR12)

1. Improved the VFR capability and anti-interference performance.
Note: To work with this firmware update of the TW R12/SR12 receivers, please make sure the firmware of the TW-ISRM/TWIN Lite Pro RF module is upgraded to 1.0.5 or the latest version.

1.The first firmware for newly released products.

Note: Please ensure you are using the v3.0.0 (or later versions) Lua scripts to configure the Stab device with flashed this firmware version. The older Stab Lua tools or the Stab tools in Device Config (ETHOS’s integration) are not compatible.

1. Added the Reset function to recover the Stab settings to the factory settings.
2. Added the AUX mode option to each Stab channel.
3. Cancelled the operation requiring putting the Throttle stick to the lowest (ï¼?000us) while doing the Self-Check.
4. Added the Stick Priority function for Stab channels
Notice: Please reset your stab device (by Lua tool) after flashing with this firmware version, and reconfigure it to make sure it can work properly.
Please read the instructional manual to ensure the self-stabilization function works properly. Click and Read �Manual

1. Fixed the issue of incorrect behavior of the Xact servo working in FBUS mode once powering on the receiver.
2. Added the angle control feature for Stabilization mode.（TD SR12�br /> Note: Please set the Roll/Pitch Degree values to 0 by Lua script after updating the firmware.
3. Added the support of telemetry data transmission through 2.4G link in the TD mode (The telemetry via 2.4G link can be also achieved under sufficient range with the RF power settings above 25mW in EU mode).
Critical Note: TANDEM TD-ISRM RF Module firmware >=2.2.6 / TD-ISRM Pro >=1.1.13 must be installed. Please use ETHOS Suite to update the RF Module via the FRSK Flasher tab.

1. Improved signal performance under strong interference.
2. Reduced the effect brought by vibrations for the stabilization function. (TD SR12)
3. Solved the abnormal signal output while working with R9 series receivers (via SBUS ports) by deleting the CH16 function (Emergency Mode) under quick mode. (TD SR12)

Note: Please ensure you are using the v3.0.0 (or later versions) Lua scripts to configure the Stab device with flashed this firmware version. The older Stab Lua tools or the Stab tools in Device Config (ETHOS’s integration) are not compatible.

1. Added the Reset function to recover the Stab settings to the factory settings.
2. Added the AUX mode option to each Stab channel.
3. Cancelled the operation requiring putting the Throttle stick to the lowest (ï¼?000us) while doing the Self-Check.
4. Added the Stick Priority function for Stab channels
Notice: Please reset your stab device (by Lua tool) after flashing with this firmware version, and reconfigure it to make sure it can work properly.
Please read the instructional manual to ensure the self-stabilization function works properly. Click and Read �Manual

1. Fixed the issue of incorrect behavior of the Xact servo working in FBUS mode once powering on the receiver.
2. Added the angle control feature for Stabilization mode.
Note: Please set the Roll/Pitch Degree values to 0 by Lua script after updating the firmware.
3. Added the support of telemetry data transmission through 2.4G link in the TD mode (The telemetry via 2.4G link can be also achieved under sufficient range with the RF power settings above 25mW in EU mode).
Critical Note: TANDEM TD-ISRM RF Module firmware >=2.2.6 / TD-ISRM Pro >=1.1.13 must be installed. Please use ETHOS Suite to update the RF Module via the FRSK Flasher tab.

1. Improved signal performance under strong interference.
2. Reduced the effect brought by engine vibrations for the stabilization function.
3. Solved the abnormal signal output while working with R9 series receivers (via SBUS ports) by deleting the CH16 function (Emergency Mode) under quick mode.

Note: Please ensure you are using the v3.0.0 (or later versions) Lua scripts to configure the Stab device with flashed this firmware version. The older Stab Lua tools or the Stab tools in Device Config (ETHOS’s integration) are not compatible.

1. Added the Reset function to recover the Stab settings to the factory settings.
2. Added the AUX mode option to each Stab channel.
3. Cancelled the operation requiring putting the Throttle stick to the lowest (ï¼?000us) while doing the Self-Check.
4. Added the Stick Priority function for Stab channels
Notice: Please reset your stab device (by Lua tool) after flashing with this firmware version, and reconfigure it to make sure it can work properly.
Please read the instructional manual to ensure the self-stabilization function works properly. Click and Read �Manual

1. Fxied the Stabilization Lua scripts’ compatibility issue running on part of OpenTX radio models;
2. Canceled the operation step of putting the throttle channel to the lowest position while doing the Self-Check function;
3. Fixed the issue of outputting useless data by SBUS once powering on the receiver.

1. Reduced the effect brought by vibrations for the stabilization function. (AP SR8)

1. The first release.

1. Fixed the issue of losing the telemetry after connecting the flight controller for running a short period.

1.Fixed the issue that the receiver does not work after recycling the power to register/bind.
2.Added the firmware support to have the RS work in ACCST F.Port mode.

1.Fixed the issue of the receiver settings for the first time cannot be saved in the ‘option’.

1. Fixed the issue of losing the telemetry after connecting the flight controller for running a short period.

This firmware has the F.Port supported in ACCST mode.
(Note: With ACCST F.Port firmware, ACCESS mode is still operational with Smart Match. Only in ACCST mode F.Port is used instead of S.Port.)

1. Fxied the Stabilization Lua scripts’ compatibility issue running on part of OpenTX radio models;
2. Canceled the operation step of putting the throttle channel to the lowest position while doing the Self-Check function;
3. Fixed the issue of outputting useless data by SBUS once powering on the receiver.

1. Reduced the effect brought by vibrations for the stabilization function. (AP SR8)

1. The first release.

1. Fxied the Stabilization Lua scripts’ compatibility issue running on part of OpenTX radio models;
2. Canceled the operation step of putting the throttle channel to the lowest position while doing the Self-Check function;
3. Fixed the issue of outputting useless data by SBUS once powering on the receiver.

1. Reduced the effect brought by vibrations for the stabilization function. (AP SR8)

1. The first release.

1. Fixed the issue of losing the telemetry after connecting the flight controller for running a short period.

1.Fixed the issue of telemetry cannot be received after repowering the receiver.

1. Fixed the issue of losing the telemetry after connecting the flight controller for running a short period.

This firmware has the F.Port supported in ACCST mode.
(Note: With ACCST F.Port firmware, ACCESS mode is still operational with Smart Match. Only in ACCST mode F.Port is used instead of S.Port.)

1. Fixed the issue of outputting the ineffective signal by SBUS Out once powering the receiver on.

1.The first firmware for newly released products.

1. Fixed the issue of outputting the ineffective signal by SBUS Out once powering the receiver on.

1.The first firmware for newly released products.

Note: Please ensure you are using the v3.0.0 (or later versions) Lua scripts to configure the Stab device with flashed this firmware version. The older Stab Lua tools or the Stab tools in Device Config (ETHOS’s integration) are not compatible.

1. Added the Reset function to recover the Stab settings to the factory settings.
2. Added the AUX mode option to each Stab channel.
3. Cancelled the operation requiring putting the Throttle stick to the lowest (ï¼?000us) while doing the Self-Check.
4. Added the Stick Priority function for Stab channels
Notice: Please reset your stab device (by Lua tool) after flashing with this firmware version, and reconfigure it to make sure it can work properly.
Please read the instructional manual to ensure the self-stabilization function works properly. Click and Read �Manual

Note: Please ensure you are using the v3.0.0 (or later versions) Lua scripts to configure the Stab device with flashed this firmware version. The older Stab Lua tools or the Stab tools in Device Config (ETHOS’s integration) are not compatible.

1. Added the Reset function to recover the Stab settings to the factory settings.
2. Added the AUX mode option to each Stab channel.
3. Cancelled the operation requiring putting the Throttle stick to the lowest (ï¼?000us) while doing the Self-Check.
4. Added the Stick Priority function for Stab channels
Notice: Please reset your stab device (by Lua tool) after flashing with this firmware version, and reconfigure it to make sure it can work properly.
Please read the instructional manual to ensure the self-stabilization function works properly. Click and Read �Manual

Note: Please ensure you are using the v3.0.0 (or later versions) Lua scripts to configure the Stab device with flashed this firmware version. The older Stab Lua tools or the Stab tools in Device Config (ETHOS’s integration) are not compatible.

1. Added the Reset function to recover the Stab settings to the factory settings.
2. Added the AUX mode option to each Stab channel.
3. Cancelled the operation requiring putting the Throttle stick to the lowest (ï¼?000us) while doing the Self-Check.
4. Added the Stick Priority function for Stab channels
Notice: Please reset your stab device (by Lua tool) after flashing with this firmware version, and reconfigure it to make sure it can work properly.
Please read the instructional manual to ensure the self-stabilization function works properly. Click and Read �Manual

1. Fixed the compatible issue of the receiver working with the Stab Lua scripts while running on some OPTX radio models (Taranis X9D Plus, etc.)

1. Added Pitch and Roll angle control for stabilization mode.
2. Fixed the telemetry error of the Pitch and Roll angle in the calibration process after repowering.
3. Fixed the issue that the Pitch angle sometimes fails in Hover mode.
4. Reduced the effect brought by vibrations for the stabilization function.
5. Fixed the issue of outputting a jitter signal while connecting or hot-swapping a redundant receiver by SBUS port.

1. Added the second group of stabilized 5 channels in ACCESS mode.

1. Added the support of S.Port function via Upgrade Port in ACCST mode.
2. Added support for working with RB25 and RB35 series devices.

1. Fixed the compatible issue of the receiver working with the Stab Lua scripts while running on some OPTX radio models (Taranis X9D Plus, etc.)

1. Fixed the issue of outputting a jitter signal while connecting or hot-swapping a redundant receiver by SBUS port.

1. Added the second group of stabilized 5 channels in ACCESS mode.

1. Added the support of S.Port function via Upgrade Port in ACCST mode.
2. Added support for working with RB25 and RB35 series devices.

1. Fixed the issue of the communication range for the previous firmware version.