Let me guess? Vodafone sim-card? It's a known problem that seems to be ignored by XIAOMI. Multiple posts are to find about this on the official site, but it's not picked up by xiaomi
Now I notice that Spotify interupts when whatsapp of Facebook notification comes in. Happens only when I play from a playlist that is not downloaded to my Phone. Will locking Spotify in memory solve this?
For Redmi Note 4 qualcom. I have no 4G on the micro-sim slot with Vodafone (Netherlands). In the nano-sim slot it works perferctly. Is that something that can be solved by software (like with the OnePlus 5), or is this a hardware problem?