SoundBuds Slim not pairing with ZenFone 6

Hi guys,

So I’ve bought this SoundBuds Slim a while ago, and it was working fine on my ZenFone 3.

I recently upgraded to a ZenFone 6 and I remember connecting my SoundBuds Slim to it and it was functioning well, no issue.

But some days after, it just connected and instantly disconnected 1 sec after. So I made my device forget SoundBuds Slim pairing and tried to do a fresh one. Now it just won’t pair at all.

What I tried doing to troubleshoot was getting another device to pair with my SoundBuds Slim. I managed to pair it to an iPhone 5s, no problem. I also tried holding volume up/down for 3 secs to see if it resets anything, but to no avail.

The only thing I did differently from the time I paired the SoundBuds Slim to the time it stopped working, was pairing another 3 things to my device : a JBL Charge 4, a Pioneer media receiver(MVH-288BT), and a Sony PS4 controller.

I’m really out of ideas on how to troubleshoot this. Any ideas you guys could provide, I’d be REALLY grateful…

Cheers!