Go to Settings  More / Mobile networks Access Point Names Press ➕ on right top Name: Ultra Mobile
APN: wholesale
Proxy:
Port:
Username:
Password:
Server:
MMSC: http://wholesale.mmsmvno.com/mms/wapenc
MMS proxy:
MMS port:
MCC: 310
MNC: 260
Authentication type:
APN type: default,supl,mms
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. | 
