unable to connect to internet with cellular data using my microsoft lumia 640 dual sim

[Windows Central Question]

My lumia 640 dual sim phone is not receiving cellular data even after turning it on and selecting the operator. The sim is inserted properly to sim 1 position, the cellular data is turned on, am able to make calls but not able to connect to net

 

[worldspy99]

You may have to manually enter the Internet APN details for your carrier.
This should get things going in the right direction.