If you still have older SMS messages, for example from your beloved ones, on your SIM card, don't worry, they are not lost. You can get them back over the menu of the Huawei smartphone. 


Android 10 | EMUI 10.0
Step 1:  Open  Messages
Step 2:  Open the  menu
Step 3:  Open the  settings
Step 4:  Tap on  Advanced
Step 5:  Tap on  SIM card messages
  1. Open Messages
  2. Open the menu
  3. Open the settings
  4. Tap on Advanced
  5. Tap on SIM card messages

Huawei Instructions