T-Mobile Poland APN Settings for Lenovo A Plus

Go to Settings More Cellular network settings Access point names

Press the Menu and select New APN

Enter name: T-Mobile Poland
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:
APN type: default

Keep the default values set by device for all blank fields shown above.