Metro By T-Mobile APN Settings for iPhone

Metro By T-Mobile USA 5G 4G LTE 3G Internet and MMS Settings for iPhone 12, iPhone 12 Pro, Pro Max, SE, 11 X 8 7S 7Plus 6S iPad Mini Pro

Metro APN Settings for iPhone

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

Cellular Data:
APN: fast.metropcs.com
Username: Blank
Password: Blank
LTE Setup(Optional):
APN: Blank
Username: Blank
Password: Blank
MMS:
APN: fast.metropcs.com
Username: blank
Password: blank
MMSC: http://metropcs.mmsmvno.com/mms/wapenc
MMS Proxy: blank
MMS Message Size: 1048576
MMS UA Prof URL: blank