Hello,
It's been a few days since the interface for sending messages has changed:
It used to look like this instead:
Notice the paper clip icon left of the message field.
Here is my phone information:
I recently had to connect to the internet with this phone, which I usually don't, and I believe there's been an update.
Could it be the reason for this issue?
Thank you for any pointers! 
PS: Phone is in French, but I hope the issue and info is understandable.
