UPDATE:- HTC & T-Mobile have released the Lollipop update (Android 5.0.1). Some users are reportig that they can now stream sucessfully after applying this update. If you are affeced and have not yet received the update please manually check for updates and apply if available.
There is an increasing number of reports that people using the HTC One M8 on T-Mobile in the US are having issues connecting to Spotify while on mobile data. This is caused by T-Mobile changing to using IPv6 as opposed to the usual IPv4.
Some people have reported success in creating a new APN and setting it as default (instructions below). While others report that this works temporarily, but after some time it defaults back to the original IPv6 supported APN.
If this affects you please can do the below:
1. Create a new APN (or modify your existing APN to: default,mms,supl,admin,hipri)
2. Ensure this APN is set as your default
3. Wait a couple of days
4. Please come back and complete the below linked form letting me know if you can still connect on mobile data or not. Please only report this for HTC One M8 issues, for all other devices please post in the topic: [Android] T-Mobile No Internet Connection
Whilst the most ideal scenario is for Spotify to enable IPv6 support, in the mean time we can at least identify the particular models affected by this and I believe that it may be the T-Mobile modified (CID) software that is reverting back to IPv6... and those that have had success I believe would be running a different 'unbranded' software version which hasn't gone through T-Mobile and therefore hasn't been modified by them.
Solved! Go to Solution.
From what i've seen, it's forcing it back to the default APN because the settings of your custom APN are not correct.
Basically the settings on your custom APN need to mimic your factory default APN exactly except for the APN protocol, that just needs to be set to IPv4/IPv6. Save that and you should be able to switch to the new APN and it should stay connected to it.
I might suggest the steps be updated, all settings are correct except for the APN Type, for my it was "default,mms,supl,admin,hipri" without the quotes.
Hope this helps!