Telefonica El Salvador APN Settings for Realme X2

Go to Settings Connections Mobile networks Access Point Names

Add a new APN by pressing ADD on right top corner. If device has already set values for Telefonica for any fields below leave them. Change others as below.

Name: Telefonica
APN: internet.movistar.sv
Proxy:
Port:
Username:
Password: movistarsv
Server:
MMSC:
MMS proxy:
MMS port:
MCC: (keep the default value set by phone)
MNC: (keep the default value set by phone)
Authentication type:
APN type: default
APN protocol: IPv4
APN roaming protocol: IPv4
Bearer: Unspecified
APN PPP phone number: Not set