SoftBank Mobile 4G APN Settings

SoftBank Mobile YMobile Japan 4G LTE 5G Internet Plus Settings for iPhone 12, iPhone 12 Pro, Pro Max, SE, 11  iPad Android HTC Samsung Galaxy M21 M31 F41 S20+ S21 S21+ 5G Windows Phone USIM Prepaid and Postpaid

SoftBank APN Settings for iPhone

In your Apple iPhone go to Settings -> Cellular -> Cellular Data Network -> APN. and enter the following details

Cellular Data:
APN: plus.4g
Username: plus
Password: 4g
MMS:
APN: plus.4g
Username: plus
Password: 4g
MMSC: http://mms-s
MMS Proxy: andmms.plusacs.ne.jp:8080
MMS Message Size: 1048576
MMS UA Prof URL: blank

SoftBank APN Settings for Android

In your Android Lollipop Smart Phone Go to – Settings -> More ->Mobile Network -> Access point Names -> + ( to add)

Name : 4G Internet
APN : plus.4g
Proxy : Not Set
Port : Not Set
Username : plus
Password : 4g
Server : Not Set
MMSC :  http://mms-s
MMS Proxy : andmms.plusacs.ne.jp
MMS Port : 8080
MCC : 440
MNC : 20
Authentication Type : Not Set
APN type : default,supl,mms
APN protocol: Ipv4

Broadband Data Card

3G APN Settings
APN (Access Point Name) : plus.softbank
User Name : plus
Password : softbank

4G APN
APN (Access Point Name) : plus.4g
User Name : plus
Password : 4g