The text message sending button on Samsung mobile phones is missing, as shown in the picture. what to do?

According to the description, it is recommended that you follow the following steps:

1. Try after restarting;

2. Check whether there are system push notifications on your phone. If so, Update your phone to the latest system version.

3. Back up data (contacts, text messages, photos, etc.) and try to restore factory settings.

If the problem persists, it is recommended that you bring your mobile phone, purchase invoice, and repair card to the local Samsung after-sales service center for testing.