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I apply video I hope it works

Is locked in usb mode even if you do not press the switch in this is big problem.Where you can not do anything else

To enter USB mode you have to press ent while powering up.

In usb mode I can not connect but in the dfu mode it works in rc group and yutube that also have the same problem with locked usb mode

Can you provide screenshot what you copy to transmitter USB drive?

It has to be:

The button is not blocked, even I replaced it but nothing happened still locked

Check the enter button in case it could have been blocked

I uploaded a new Firmware and nothing happened is still locked in usb mode.
what would be wrong

As any removable drive. Connect transmitter to PC USB port.

How format transmitter USB drive

I need voice mail for this question.

Format transmitter USB drive and copy filesystem from firmware archive:
www.deviationtx.com/forum/builds/7605-irangex-irx-ir8m-builds

Hi my travsmiter irange x locked in usb mode tried everything but nothing happened
please help

vlad_vy wrote:

I don't understand why it depends on "Power Off" time.

I don't either but the power down of this TX sucks and has been described as a feature by some when it is actually a fault a hardware issue with regards the use of weak capacitors in the build. In Microsoft Terms me being a Microsoft Certified Engineer, a feature is often used as another term for "BUG". My TX works fine on this Build: 2018-03-14 but obviously it is a time-consuming task to test out all the possible features and combination of features. I will always help out with the testing of new builds whenever I can. In the meantime thank you for your continued efforts in support of this somewhat annoying TX. Regards, Stefan

No, it's not a case, I say about 2018-03-15 build zip with word "delay" at the end.

P.S. No matter, I can enable 4IN1_FLASH support, if it help.

Sorry, it was a typo Build: 2018-03-15 was tested and failed with the same Missing Modules: CYRF6936 message.

Build: 2018-03-14 was reinstated and works fine.

Sorry for the confusion.

Regards, Stefan

Are you really tested the build from my previous message = deviation-ir8m-v5.x.x-2018-03-15-delay.zip ?
www.deviationtx.com/media/kunena/attachm...2018-03-15-delay.zip

Or you tested deviation-ir8m-v5.x.x-2018-03-15.zip ?

I don't understand why it depends from "Power Off" time.

vlad_vy wrote:

"But for me, looks like it is timing issue specific for IR8M. There are two voltage regulators marked as "L306". These are making 3.3V from battery for MCU and Multiprotocol-module. I think that Multiprotocol-module get power later than MCU. Probably they have different output capacitors or different capacitor discharge rate after power off. The 4IN1_FLASH support a little delayed RF chips detection."

I have to agree it's worth a try I will test this out shortly and then update this post.

I have now fully tested Build: 2018-02-15 but the "Missing Modules: CYRF6936" has now returned.

Build: 2018-02-14 works fine when I reinstated it on this TX.

It seems that for whatever reason the 4IN1_FLASH support is necessary for the IR8M to function correctly. Perhaps it should be left intact as it's absense may adversely effect other aspects of this TX that have not as yet been reported?

Regards, Stefan

Use Flysky FS-A8S receiver manual:

img.banggood.com/file/products/201610100...al%2020160929%20.pdf

You need yo use ibus and the ibus pin on your fc

But for me, looks like it is timing issue specific for IR8M. There are two voltage regulators marked as "L306". These are making 3.3V from battery for MCU and Multiprotocol-module. I think that Multiprotocol-module get power later than MCU. Probably they have different output capacitors or different capacitor discharge rate after power off. The 4IN1_FLASH support a little delayed RF chips detection.

In that case we need a little delay RF chips detection. For example call PROTOCOL_InitModules() after GUI_DrawScreen():
Can you test the build that has disabled 4IN1_FLASH support, but with delayed PROTOCOL_InitModules():

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