Optus APN Settings for Android
Optus Australia 4G LTE 5G APN Settings for Android Samsung Galaxy, Sony Xperia, Xiaomi, Huawei, Moto, OpePlus, HTC, Oppo, Vivo, Realme, WiFi Router, Prepaid and Postpaid.
Internet Settings : internet
4G APN Settings : yesinternet
Optus 4G APN Settings for Android
Tab -> Settings -> Wireless & networks-> Mobile networks -> Access Point Names -> New APN

Name: Optus Internet
APN: yesinternet
Proxy: Not set
Port: Not set
Username: Not set
Password: Not set
Server: Not set
MMSC: Not set
MMS proxy: Not set
MMS port: Not set
MCC: 505
MNC: 02
Authentication type: PAP
APN type: default (or) internet
APN protocol: Ipv4
Enable/disable APN: APN Enabled
Bearer: Unspecified
MVNO type : None
MVNO Value : Notset
Optus MMS Settings for Android:

Name: Optus MMS
APN: mms
Proxy: Not set
Port: Not set
Username: Not set
Password: Not set
Server: Not set
MMSC: http://mmsc.optus.com.au:8002/
MMS proxy: 61.88.190.10
MMS port: 8070
MCC: 505
MNC: 02
Authentication type: PAP
APN type: mms
APN protocol: Ipv4
Enable/disable APN: APN Enabled
Bearer: Unspecified
MVNO type : None
MVNO Value : Notset
Mobile as Dialup Modem or Tethering APN Settings:
Dial Up Number: *99#
APN: internet or yesinternet or connect
Preferred/Alt DNS: 202.139.124.225
Initialisation String*: +cgdcont=1,”ip”,”internet”
WiFi Dongle Settings
Go to Settings -> Profile Management
Profile Name : Internet
APN : internet or yesinternet
Access number: *99#
User name: Blank
Password: Blank