BLE: SDK v6.4.2 does not find a device which is found with v6.4.1 - need help

My IQ app to connect a certain bicycle device ("Forumslader"), code based on the NordicThingyCollector example, worked fine, so far, up to SDK version 6.4.1.
With the current 6.4.2, and with beta 7.0.2, it doesn't work any more.

Debugging shows, that with v6.4.2 onScanResults is never called, after the profile of the device is registered. While with v6.4.1 the advertising target device is found.

Anyone here who can help, or point me on the right debugging path?

With @jim_m_58 's BLEscan app the target device is found by name only, not by UUID. Connect is possible with BLEscan.

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jim_m_58 9 months ago

Sound like you are trying to scan in the sim. The dongle or the DK? Have you tried unplugging that closing the sim, and plugging it back in?

With win11 and 6.4.2 everything seems to be working fine for me.

CYBERMAN54 9 months ago in reply to jim_m_58

You were right, test setup was faulty, dongle not functional in SIM. After fixing this, i now see that onScanResults fires, and the device is found.

The paring fails, device is found but not paired. While pairing with this device works when i compile with 6.4.1.

onScanResults

found FL by Devicename: FLV6

trying to pair device, rssi -69

jim_m_58 9 months ago in reply to CYBERMAN54

Are you using the 7.0.x SDK or 6.4.2? The 7.0.x one has some new BLE stuff (like bonding) but I haven't done much with it.

CYBERMAN54 9 months ago in reply to jim_m_58

i tried both. Pairing fails as well with 6.4.2 as with 7.0.2, but works with 6.4.1.
On which SDK version is your BLEscan app in the IQ store?

jim_m_58 9 months ago in reply to CYBERMAN54

What's more important is the CIQ version on the watch you are using it with. Check in System>About

Running the BLEscan app in the sim with the 6.4.2 SDK appears to work fine with the Thingy52 and other devices.

CYBERMAN54 9 months ago in reply to jim_m_58

It doesn't work with v6.4.2 when run in SIM. But does work when i run on real Device

If i run BLEscan on the same Edge 1030+, the device is found and connected. But i assume that BLEscan is compiled with 6.4.1 or older?

CYBERMAN54 9 months ago in reply to CYBERMAN54

Is the source code of BLEscan available somewhere, so that i can test it in my setup / SIM with 6.4.2?

jim_m_58 9 months ago in reply to CYBERMAN54

I don't release the source code.

If you use 6.4.2 and build a sideload of your app, does it work on the real device?

CYBERMAN54 9 months ago in reply to jim_m_58

Tested with v7.0.2 and surprisingly it's working if i sideload the app on the Edge device!

What's wrong here, is it a simulator bug?
That means, i can update my app to 7.0.2 and upload in IQ store, and it will work if downloaded from there?

jim_m_58 9 months ago in reply to CYBERMAN54

The 7.0.x SDK is still in beta, so you can't build an iq file or put it in the store. Try with 6.4.2