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¡Damn! My bad (anyway, it was a normal question mark, the upside down one was at the end of the question). I was talking about "A-GPS Data Downloader App" but it seems that it only works with Gadgetbridge on Android. You can use "Assisted GPS Updater (AGPS)" which is not really an app but downloads A-GPS data from the App Loader.
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I can't help much because I use Android. In my case it synchronize the time correctly. About GPS, ¿are you updating AGPS data in the previous 24 hours? There is an app that updates the data periodically and allows downloading it manually. It also seems to help using GPS only instead of more than one satellite system.
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Doing a little research, it looks like BLE support on the laptop may be a bit dodgy.
What is impressive is in smartphones, with all the high speed signals (memory, storage, usb3, sdio, mipi dsi, mipi csi), wifi, bt (including ble), gps, several antennas etc. all that cramped in a small volume and everything works so well. As Gordon said a few days ago, we are so used to have a gps in the smartphone that works so well and gets connection pretty much everywhere, that we forgot how unreliable was pre-smartphone gps.
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However nothing I could do would actually make the upload happen. I may be a bit stupid here, but why isn't there a big friendly "UPLOAD" button on the page?
From memory, I think that you have to touch the version you want to upload (the development version is at the end). Then an UPLOAD button appears at the end, you touch it and the upload starts. Yes, maybe not very intuitive. I hope this works for you.
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Are you talking about connecting to the Espruino IDE or to the app repository? Have you tried connecting to a smartphone? The connection to the app repository is very reliable for me with several android devices.
I know that in many USB3 wifi dongles BT is disabled, even if the chipset inside supports it, and for many dongles that don't disable it the connection is very unreliable. It seems that designing the circuit so USB3 and BT don't affect the other is quite tricky (for the frequencies that USB2 uses there is no problem).
Also, I don't know how good the BLE support is with BT devices in computers. Is that the reason why many BT mouses have their own usb dongle?
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Having more buttons is not only desirable when wearing gloves. I use the watch mainly as a sport watch, and for that use case the touch screen is nearly unusable while doing the activity.
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I update AGPS data always before launching the GPS Info app. I always upload all 3 datasets: GPS+BDS+GLONASS.
Have you tried with GPS only? I get a very good precision with just it enabled.
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I noticed that the watch never gets to “view” GPS satellites. Only BD and GL. Is that normal?
In A-GPS Data settings I have "GPS" selected, so I don't think I have BD or GL working.
Is it normal that I have to wait 5 min to start receiving data from the satellites?
I don't think so. With AGPS data updated I get a fix after 5 to 10 seconds. If APGS is not up to date it takes minutes to get a fix, sometimes it doesn't get a fix at all. This is all outside. Are you sure you have AGPS data updated.
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I will give that a try and update.
You should use distilled or deionized water like the water used for clothing ironing.
I think that my banglejs2 synchronizes to my android phone's time when connecting to Gadgetbridge. The A-GPS data tip was for getting a GPS fix. I suppose that you need "GPS Time" to sync to the GPS time or "GPS auto time" to synchronize every time you get a GPS fix.