Here's the cheapest T-mobile SIM and plan with BINGEON I could find.
Nano size only.
Will work on unlocked iPhone 6 / s / 7 / SE (or other unlocked phones useing nano SIM) for T-mobile activation.
Prepaid T-mobile $30 plan includes BINGEON.
Basic $30 plan:
Unlimited web & text with 100 minutes talk
•100 minutes talk
First 5GB at up to 4G speeds; speeds reduced thereafter
$30/mo. plan is only available for devices purchased from Walmart or devices activated on T-Mobile.com.