9 Best Of Android Messaging App Not Working Characters Name With Pictures. Uninstall any recent app updates. Make messages your default messaging app.
Some of these steps work only on android 6.0 and up.learn how to check your android version. With messages, you can communicate with anyone in any location with the reliability of texting and the richness of chat. Go to my apps & games > updates and see if there are any updates for your 3rd party messaging app.
I'll try and figure it out.
This is a pretty simple step that might work. Try sending message using service api call. If your have recently updated your phone system, it may be a firmware issue. It will provide you the response code and response json which may help you to get the reason for not working fcm.
