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Old March 10th, 2014, 06:20 AM   #1 (permalink)
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Default [resolved] Connecting issues with a Polar H6 BT heart rate sensor


I'm wondering about the ability of the HTC One to connect to Bluetooth Smart devices. I have a HTC One which I have recently updated to Android 4.3 - software version

It seems unable to see my Polar H6 Bluetooth heart rate sensor. If I install the app "BLE Heart Rate Monitor" from Play then the heart rate monitor is visible and works fine within the app. Outside of that app, however, it remains invisible.

Is there something I can do to enable Bluetooth Low Energy (BLE) functionality on the phone in general?

Thanks in advance,


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Last edited by marctronixx; March 10th, 2014 at 10:09 AM.
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Old March 10th, 2014, 10:07 AM   #2 (permalink)
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Bluetooth Low Energy is something that is cooked in the OS and under stock configuration, the end user cant adjust this. it is possible to root the device and in that way one may gain some control over things such as this, but it its out of the box state, nothing you can really do.

4.4 is here for some carriers, so depending on your carrier you should be getting 4.4 soon. perhaps then the functionality you are looking for may be better compatible with your BT device.

EDIT: here: http://www.polar.com/us-en/support/compatibility_of_polar_h6_h7_heart_rate_sensor

the HTC One is not listed. Is this similar to the model polar product you are using at the moment? or is it entirely different?

You need to have a mobile phone or other receiving device that fully supports Bluetooth Smart (Bluetooth 4.0) and its standardized heart rate service. At the moment we recommend only the following iOS and Android products.

iOS products (5.1 or later)

iPhone 4S
iPhone 5
iPhone 5s
iPhone 5c,
iPod touch (5th generation)
iPad (3rd & 4th generation)
iPad mini
iPod Nano (7th generation)
Android products

Samsung Galaxy S4 (Android 4.3 and later)
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Last edited by marctronixx; March 10th, 2014 at 10:25 AM.
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Old March 10th, 2014, 12:43 PM   #3 (permalink)
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Thanks for that.

It would appear as if the app is the driver for BLE functionality since, co-incidentally, Endomondo have just updated their Android app to include BLE connectivity and my HTC One now connects perfectly to the Polar H6 HRM using either the BLE Heart Rate Monitor app or the Endomondo app (premium version anyway as this is what I have installed). Since Endomondo was what I was trying to connect to I'm now happy.
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The HTC One is the manufacturer's flagship device for 2013. The device's specs put it in the top of the smartphone pyramid, featuring a 1.7 GHz quad-core Snapdragon 600 processor, 2 GB of RAM, a 4.7-inch 1080p display and Android 4.1.2. Its... Read More

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