Virgin Media Ireland APN Settings for Xiaomi Redmi 4a

Go to Settings More / Mobile networks Access Point Names

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Name: Virgin Media
APN: Internet
Proxy:
Port:
Username:
Password:
Server:
MMSC:
MMS proxy:
MMS port:
MCC: (keep the default value set by phone)
MNC: (keep the default value set by phone)
Authentication type: NONE
APN type: default
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.