My HRM Pro does not update firmware.

My HRM Pro does not update firmware.
I have firmware 7.40 and have tried to update it for every new released firmware.
Today I tried to update to 8.80 but my android-Garmin Connect just tells me - "sending updates" and then the app either disrupts or continues "forever".

Please, support needed.

BR/Karl

Top Replies

eezytiger 9 months ago in reply to Karlminator +1

I don't know if you had any joy, but today I received a new HRM-PRO, supplied with firmware 8.10. I followed my own advice above and the update completed on the first attempt. It did take fully ten minutes…
Baptiste_Yahya 4 months ago +1 verified

Hello. I have the same problem. Stuck on 7.4 and can't update to 8.80. Tried it about 10 times with my phone and Garmin Swim 2; Nothiung will work. My battery is "medium". I'm wondering if this is battery…

All Replies

0 eezytiger 9 months ago

It took me several attempts to finally complete the update. I think it helps to make sure that your phone is kept awake with the app in the foreground and does not time out.

No other suggestion to offer except keep trying.

0 Karlminator 9 months ago in reply to eezytiger

OK. Thanks.
I will keep my phone awake.

0 eezytiger 9 months ago in reply to Karlminator

I don't know if you had any joy, but today I received a new HRM-PRO, supplied with firmware 8.10. I followed my own advice above and the update completed on the first attempt. It did take fully ten minutes to send the update from phone to strap, so patience is advised. I wore the strap throughout the update process.

0 Karlminator 9 months ago in reply to eezytiger

Actually, I got it to work! A new fresh battery and then the 8.80 kicked in. :-)

+1 Baptiste_Yahya 4 months ago

Hello. I have the same problem. Stuck on 7.4 and can't update to 8.80. Tried it about 10 times with my phone and Garmin Swim 2; Nothiung will work. My battery is "medium". I'm wondering if this is battery related of if I have to update from 7.4 to 8.1 first and then 8.8.

0 Karlminator 4 months ago in reply to Baptiste_Yahya

Hi,
I think eezytiger advice of keeping the phone awake did it. I don't think you need to update earlier versions prior to 8.8.