Hi @carlosed. It might be due to the keyboard being a different language or MMS not being active. You can check the keyboard by heading into Settings > General management > Samsung keyboard settings > Languages and types.
If it's MMS related, check with your network provider to see if this is enabled as it will incur an extra cost.
you could always try going in to apps and then resetting the storage cache and data for the messaging app you use to see if they helps. But note if you delete the data, it would also probably delete any messages saved in the app.
