You're in good shape. Try upgrading the firmware to v5.00 and my guess is
that everything will work fine.
On Mar 27, 2014 10:02 PM, "Lagz Moncs" <[email protected]> wrote:

> I tried using the pre-compiled HelloIOIO.apk from v5.03 as you suggested.
> It did show a Hello IOIO dialog box. "Allow the app Hello IOIO to access
> the USB device?. Checked the box "Use by default for this USB device. Still
> can't toggle the IOIO yellow status led.
>
> Is it then this android device does not support the USB device API?
> Is there any other way to connect aside from Bluetooth?
>
> On Friday, March 28, 2014 10:55:10 AM UTC+8, Ytai wrote:
>>
>> It is possible that this device does not support the USB device API.
>>
>> I think that even if you have no IOIO application installed, you should
>> see the USB dialog popping up, but I'm not 100% sure (this is for sure the
>> behavior in IOIO as host mode).
>>
>> In either case, try using the pre-compiled HelloIOIO.apk from the v5.03
>> software bundle to eliminate any possibility of something wrong with your
>> build.
>>
>>
>> On Thu, Mar 27, 2014 at 6:01 PM, Lagz Moncs <[email protected]> wrote:
>>
>>> Hello,
>>>
>>> I am using a IOIO-OTG with HP Slate 21(Android 4.2.2). Connectivity with
>>> Bluetooth works fine. I wanted a more stable connection so I tried to go
>>> with USB using cable micro B plug(IOIO-side) to standard A plug(Slate21
>>> side). IOIO-OTG mode switch is set to "A". The IOIO-OTG power light
>>> indicates it is being powered by the HP Slate 21 but HelloIOIO(with
>>> IOIOLibAndroidDevice) can't control the yellow light on the IOIO-OTG.
>>>
>>> Is it possible the Slate 21's Android 4.2.2 is not supporting
>>> IOIOLibAndroidDevice's connection with IOIO-OTG? Is there any other
>>> IOIO-OTG USB connection option for this android device?
>>>
>>> Thank you.
>>>
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>>
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