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Before reporting a bug, please confirm the following:
I got Gadgetbridge from:
If you got it from Google Play, please note that version is unofficial and not supported here; it’s also often quite outdated. Please switch to one of the above versions if you can.
Your issue is:
The following steps were taken:
1.) Unpackage the device
2.) Initiallize the device using the Zepp app as instructed, creating an account and updating the firmware
3.) Test out all features including a workout with GPS. GPS locks on location within seconds and produces good track.
4.) Obtain pairing key for use with Gadgetbridge.
5.) Kill Zepp app and pair watch with Gadgetbridge
6.) Test out all features again including multiple workouts with GPS. This time GPS takes a long time to lock or doesn’t lock at all after 10 minutes.
7.) Factory reset watch and repeat steps 2-4, reconnecting with Zepp app.
8.) Test out workouts with GPS. GPS locks reliably within seconds every time.
9.) Repeat steps 5-7 a couple more times over several days.
These tests were done over a series of days and in varying environments with clear weather and no obstructions to cloudy weather with some buildings and trees. It seems that the act of pairing with gadgetbridge somehow cripples the GPS functionality. Could it be that pairing the watch makes it dump its A-GPS data in anticipation of an update (which Gadgetbridge never provides)? If so, the GPS should still work eventually (albeit slower). After a day of being paired to Gadgetbridge, GPS never locked again until a factory reset and pairing with Zepp.
Your wearable device is:
Please specify model and firmware version if possible
Amazfit GTR 47mm
Your android version is:
Android 11 (RP1A.201005.004)
Your Gadgetbridge version is:
New issues about already solved/documented topics could be closed without further comments. Same for too generic or incomplete reports.