Turn off Duraspeed. That was my problem when connecting to my car and watch. Search for it in settings.

It shouldn't be a compatibility problem. I can confirm that a Bv9900 Pro will work with 4G on AT&T in the US. Been using it for a few months now. It did however take a day or two to start using the 4G. I'm assuming it was just registering on AT&T's end. Depending on how old your SIM card is,...

I solved the problem! I was right, it was being caused by some background powersaving app called "duraspeed". For whatever reason, when you search on the phone, you can only ever get the App Info page. Can't disable it or do anything really. No clue why. This is the source of your problems...

So bit of an update, I contacted support and am waiting to hear back from them. I was doing some troubleshooting in the meantime and found out a few things.  This issue happens only after you lock the phone and leave it alone for some time. So as long as the phone is "awake" and I'm us...

Bv9900 Pro. Had it for about two weeks. The latest firmware installed. Bv9900Pro_EEA_S900AA_V1.0_20200601V09_20200604-1934 I'm having issues connecting with my Gear S3 smartwatch. When I first set up the phone, everything connected smoothly.  To set up the Gear smartwatches, you have to download thr...

Same issue. Galaxy S3 Classic watch. Mine is a Bv9900 Pro, but exact same situation. I downloaded and setup the Gear Wearable app, Samsung Accessory Service, and Gear S Plugin. Made sure Battery Optimization was turned off and every permission was enabled for all of these. Paired right away the very...