Hi,
Please tell me which theme you are being used or puchased Bygge or Specular.
—
and also check your web server fulfills the below characteristics at least value.

memory_limit = 256M
post_max_size = 64M
upload_max_filesize = 64M
max_execution_time = 300
max_input_time = 1000

Thanks,

Hi,
wp-admin > appearances > codeless header / footer / block > Home 1 header > Click on Edit with elementor
and now click on phone number

Let me know if you face any issue.
Thanks,

Hi,
Please share your website URL, wp-admin, and FTP info (Username and password) and send me using “Set as private reply”.

Thanks,

Hi,
Please check now and let me know.

Thanks,