Orange Internet Paramètres APN pour Xiaomi Mi A1 (5X)

Go to Settings More / Mobile networks Access Point Names

Press ➕ on right top corner.

Name: Orange Internet
APN: orange
Proxy:
Port:
Username: orange
Password: orange
Server:
MMSC:
MMS proxy:
MMS port:
MCC: 208
MNC: 01
Authentication type:
APN type: default,supl
APN protocol: IPv4
APN roaming protocol: IPv4
Bearer: Unspecified
APN PPP phone number: Not set

Do not change the default values set by device for all blank fields above.