Many users have reported that after upgrading to Android Kit Kat 4.4.4 they have started getting issues with receiving MMS (particularly users with Nexus 5 and have T-Mobile as carrier) which would cause their app to hang after trying to download an incoming media file. But a Redditor that goes by the name of PollyPrissyPants has found a temporary workaround that should fix the issue till Android L releases to the public later this year. Here is how to fix the MMS issue on 4.4.4:
Any questions or do you have another workaround? Let us know!