@AndreasSwe I never managed to fix this issue, I'm just living with it now and I'm looking for a replacement sometime in the future. No Tp-link this time though.. I used to like their products but...

@DanielFontolan You can get the firmware from here: https://static.tp-link.com/2020/202001/20200117/M5_v1.4.2_Fix_issues_of_firmware_1.4.0.zip This is the forum post about it:...

@Daveomania Have you ever managed to fix this issue? I'm having the exact same problem with my 3x M5 setup and it's driving me crazy..