Edge 530 - Recent Threads

RE: Garmin Edge 530 11% firmware update

Garmin - DK — Tue, 03 Nov 2026 15:54:39 GMT

Depending on what all files are missing, I recommend pursuing option 2. Edge 530 does not have Connected GPS (which leverages your phone's GPS capabilities), and we do not recommend piecing devices together.

That being said, I would clear out the RemoteSW folder, as well as delete the GUPDATE.GCD file, then run your device through the Garmin Express desktop application to see if it recognizes an update as available. If it does, go ahead and install it. Garmin Express is a free desktop application available for download here.

Garmin Edge 530 11% firmware update

3395042 — Fri, 30 Oct 2026 10:25:56 GMT

I work in a bike shop in Brazil and took two Garmin Edge, with gps, to use in a bike event this weekend, a Edge 1000 that seems dead, and a Edge 530 that can't locate itself. EPO: missing and GPS version 0.00. I am wondering if there is a problem in the hardware i, or in the software ii.

i: then I can use one of the Edge 1000 parts or of other cycling computer to make the Edge 530 able to locate itself. If none works, I thought about using my smartphone as receiver to the satellites signal, with a connection with the Garmin, so it will be able to navigate.

ii: could try to download and substitute the missing files.

Could someone help me with this?

RE: Garmin Edge 530 11% firmware update

SloMTBR — Tue, 03 Nov 2026 00:16:57 GMT

Another user had success with emptying the REMOTESW folder then rebooting and syncing the device

RE: Garmin Edge 530 11% firmware update

Cranky K. — Sat, 31 Oct 2026 18:18:47 GMT

I would be trying for Option 2, get the 530 missing software. I don't know how to help, but hopefully someone here does.

Garmin Edge 530 stops on every synchronization

mattious — Mon, 26 Oct 2026 11:50:17 GMT

Hello,

on every synchronization my Garmin Edge 530 crashed. It works if i disconnect my phone from the Edge 530, on the Garmin Connect application, i delete the application and i clean up each reference of the Edge in the Bluetooth. After reinstall, on the first synchro, it works perfectly.

After it's not possible to do a new synchro. I've to uninstall like explain and reinstall.

Have you an idea what i can do ?

Thanks Mathieu

Edge 530 sincronizza attività sia su strada che indorr ma non i minuti di intensità pur avendo fascia cardio plus

Gio1982 — Tue, 20 Oct 2026 16:23:15 GMT

Edge 530 sincronizza attività sia su strada che indorr ma non i minuti di intensità pur avendo fascia cardio plus. 
Fino all'altro giorno lo faceva e non è stato cambiato nessuna opzione

Course "Download Failed" over WiFi

9967438 — Tue, 06 Oct 2026 15:50:28 GMT

My Edge 530 and 830 will not download courses over 10kb in file size via WiFi.

Everyone I know with this series Edge (530,830,1030 and some newer models) has the same issue. This function (download over WiFi) used to work seamlessly but stopped working over a year ago.

I exchanged my 830 (with $140 fee) through Garmin a few months ago primarily because of an elevation issue, although it also suffered from the "Download Failed" issue . The refurbished Garmin 830 I received had the same "Download Failed" issue out of the box (Elevation is now great so that eased the $140 pain).

This is NOT a connection issue or a device issue, or a software version issue. I have tested and ruled all of these out. All uploads work fine. My 530 does exactly the same thing. I think all of the devices in this series now have this issue. Got one that works? Please let me know.

To be clear, this is a "Download Failed" error over WiFi only. Small files under 10kb will download correctly, No Mobile device is linked! If I do link my iPhone, the phone gets the course via WiFi and it will download to my devices via Bluetooth no problem. Download via USB cable works no problem.

I have spent over a dozen hours with Garmin Customer Service, chat, email, phone, without any resolution or even an acknowledgement that this is anything beyond user error.

If this is a server issue or a security issue, Garmin should just say so!

I have been getting the run-around for months. I will NOT buy another Garmin product because of the lack of resolution on this issue.

RE: Course "Download Failed" over WiFi

9967438 — Fri, 16 Oct 2026 00:05:29 GMT

This is a Garmin server problem!

this is not my devices or my network problem.

find a 530 or 830 and try it yourself.
the course download via wifi function does not work on at least five of my friends Garmins in this series along with both of mine.

RE: Course "Download Failed" over WiFi

dscurtis — Wed, 14 Oct 2026 19:48:06 GMT

I can independently verify the same results. I disabled the Phone connection on my 530, then queued a Course file transfer from RWGPS that I know is ~41Kb in size. Then with WiFi enabled I went into the 530 WiFi menu and did a Sync Now. After a few seconds the "Download Failed" message appears in the upper left of the 530 screen. Also, these errors were fresh in the Garmin/Debugging folder in err_log.txt: - seems like a couple of crashes occurred:

[
{
"unit_id":"3356943454",
"product_name":"Edge 530",
"software_part_number":"006-B3121-00",
"ms_since_epoch":1792005626000,
"system_version":"9.81",
"build_type":"PRODUCTION",
"backtrace":"ant_main - Error type ( 0 ) File( ..\\..\\..\\ANT\\search\\ant_module_search.c ) Line( 3376 )",
"error_cause":"Assert",
"proprietary_info":{
"Commit ID":"600d1fe7d86eb35f22c1576c9a3147f2768b4975",
"Time":"2026-10-14 14:20:26",
"Ram Dump":"N/A",
"ESht PC":"0x00000000",
"ESht SP":"0x00000000",
"Project Specific":"0x00000000",
"Fatal":"NO",
"Task ID":"62F5D840",
"Task Name":"ant_main",
"File Name":"..\\..\\..\\ANT\\search\\ant_module_search.c",
"Line Number":"3376",
"Message":"3376"
}

},
{
"unit_id":"3356943454",
"product_name":"Edge 530",
"software_part_number":"006-B3121-00",
"ms_since_epoch":1792005632000,
"system_version":"9.81",
"build_type":"PRODUCTION",
"backtrace":"CDP main - Error type ( 0 ) File( ..\\..\\..\\MPM2\\mpm2_rec\\mpm_main.c ) Line( 312 )",
"error_cause":"Assert",
"proprietary_info":{
"Commit ID":"600d1fe7d86eb35f22c1576c9a3147f2768b4975",
"Time":"2026-10-14 14:20:32",
"Ram Dump":"N/A",
"ESht PC":"0x00000000",
"ESht SP":"0x00000000",
"Project Specific":"0x00000000",
"Fatal":"NO",
"Task ID":"62FDEE20",
"Task Name":"CDP main",
"File Name":"..\\..\\..\\MPM2\\mpm2_rec\\mpm_main.c",
"Line Number":"312",
"Message":"312"
}

}
]

RE: Course "Download Failed" over WiFi

Sliced7014 — Wed, 14 Oct 2026 16:13:05 GMT

Garmin - DK I want to be extremely clear that the issue is not related to local WiFi configuration or the Garmin Connect app. I don't own a smartphone and have always used WiFi to sync my Edge530. The following works when syncing over WiFi:

Uploading rides.
Downloading custom workouts.
Downloading trivially small courses (e.g. 2KB).

So the unit is definitely able to connect to the Garmin servers. The only thing that doesn't work is downloading courses of useful size. Any attempt to do so results in "Download Failed" being displayed in the status bar. I first noticed the problem in early 2026.

This should be extremely easy for you to reproduce. Please, PLEASE attempt to do so and report back.

Thank you.

RE: Course "Download Failed" over WiFi

Garmin - DK — Wed, 14 Oct 2026 15:35:14 GMT

Thank you for the post 9967438 . Please ensure that your Garmin Connect app is up to date.

If still experiencing long long sync times, please let I know, including how long it takes for the activities to sync and if you receive any error messages at any point.(if any different).

If you have a different Wi-Fi channel or band, that may be worth a try to narrow down if the Garmin or your main phone is the culprit.)

Tacx Flux S Smart Trainer Power Calibration Error

KGM — Wed, 14 Oct 2026 12:37:51 GMT

I use my Tacx Flux S paired with my Garmin Edge 530 for controlled power workouts. I have calibrated the Flux S trainer using the Tacx Training app on my iPhone without error.

When I power up my Garmin Edge 530 and wait for it to pair with the Flux S, it asks me if I want to "Calibrate power sensor?". If I say yes the calibration routine runs and reports "Calibration Failed, Calibration Error 65535". However when I do a workout at at known intensity level, say tempo at 82% of FTP, the intensity of this workout is held very constant and the effort needed corresponds with how hard I think it should feel, based on me having trained with a power meter for the last 20 years.

Is the Garmin 530 calibration error real? If so what can I do to rectify this?

Thank you for your help!

Ken

RE: Course "Download Failed" over WiFi

Sliced7014 — Wed, 14 Oct 2026 01:49:37 GMT

Nope. Just "Download Failed" on the status bar.

RE: Course "Download Failed" over WiFi

dscurtis — Tue, 13 Oct 2026 14:29:05 GMT

Just out of curiosity, when the failure occurs, does the 530 or 830 ever hang and reboot or have to be forced to reboot?

RE: Course "Download Failed" over WiFi

Sliced7014 — Thu, 08 Oct 2026 00:52:25 GMT

Exact same issue with my 530. I've been transferring courses via USB all season 😞

RE: My android phone shows the Edge 530 is connected but Connect IQ is not connected

sudheeshks — Wed, 07 Oct 2026 15:50:15 GMT

Their current focus appears to be primarily on supporting new product owners, while the needs and contributions of existing product owners seem to be receiving comparatively less attention.

My android phone shows the Edge 530 is connected but Connect IQ is not connected

ABinHRNC — Sun, 06 Sep 2026 19:32:49 GMT

I have a Samsung Galaxy S21 phone connected to my Edge 530.
Recently the Windfield App stopped displaying the windspeed.

I am trying to delete and reinstall the Windfield app. The Connect app on my phone shows that the Edge is connected but Connect IQ shows the edge as "Not Connected".

I have deleted and reinstalled both Connect and Connect IQ on the phone. I have restarted both the phone and the Edge. I have unpaired the Edge from my phone and re-paired it.

Any ideas on how to solve this problem?

RE: My android phone shows the Edge 530 is connected but Connect IQ is not connected

Bonzo9 — Mon, 05 Oct 2026 17:33:26 GMT

Another 530 here not connecting in connect IQ, for all the device is listed in Devices, for all my fenix 7 is showing and connected, the 530 refuses for whatever the reason

Tried all the usual, unpairing, re pairing, clearing app cache, uninstalling connect, iq store apps and still the issue persists.

Garmin erred big time by removing the web base iq download ability direct to device via garmin Express IMHO.

RE: Avg Power to weight (w/kg) fields not supported in Extended Display mode?

ak6i — Sun, 20 Sep 2026 14:32:23 GMT

The problem is on the watch side. Devices that implement Extended Display receive the full field configuration from the watch. The issue is that Garmin have decided to only implement sending certain fields from the watches. Probably they implemented this ages ago when the Varia Vision was around and haven't bothered to add Extended Display information for the fields they've added to the watches since then.

I'm an ANT+ Adopter and have read through the full specification of the Extended Display protocol. There's nothing on the Edge side stopping it from displaying whatever the watch chooses to send.

Avg Power to weight (w/kg) fields not supported in Extended Display mode?

sbrumley — Tue, 25 Aug 2026 15:55:17 GMT

I use an Enduro 3 to record activities, and sometimes (for indoor rides) I use an Edge 530 in Extended Display mode. I can display "Power to Weight" on the Edge screen just fine, but if I add "Lap Power to Weight", or "Average Power to Weight" to the data screens, Edge says "Not Supported". These aren't custom data fields, they are ordinary "out of the box" fields. Any idea what the limitation is or if there is a workaround?

Updating firmware on old Bkool Smart Pro to support ANT+ FEC

7749049 — Tue, 15 Sep 2026 16:31:00 GMT

hi ill appreciate if someone has the files and the ZycleDFU software for updating a bkool pro 1 smart trainer.

im stuck in 3.10 FW and zycle app says it has the most recent update, but the most recent is 3.25 enabling smart controllable with apps

thanks in advance

RE: Updating firmware on old Bkool Smart Pro to support ANT+ FEC

7749049 — Fri, 18 Sep 2026 19:57:28 GMT

yes thats correct , i manage to find the Zycledfu files and now a i can control the resistance in the bkool with my garmin edge.

RE: Updating firmware on old Bkool Smart Pro to support ANT+ FEC

7749049 — Fri, 18 Sep 2026 19:56:29 GMT

thanks , is not for the garmin edge is for the bkool smart trainer

RE: Updating firmware on old Bkool Smart Pro to support ANT+ FEC

Luko79 — Fri, 18 Sep 2026 17:04:29 GMT

he needs the firmware of the bkool pro 1 trainer, not for the 530 (just somehow he posted it to the Garmin forum...)

RE: Updating firmware on old Bkool Smart Pro to support ANT+ FEC

SloMTBR — Fri, 18 Sep 2026 14:05:15 GMT

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