What will happen to a locked iPhone 5 if you insert a non-native SIM card?

Question

iPhone

There is an iPhone 5, iOS 8.1 locked under Sprint. There was also an adapter for a SIM card, hevey or rsim, I don’t know. What happens if I insert a SIM card with this adapter into my phone? In general, is it possible to insert a SIM card and activate an iPhone after Pangu jail? The whole Google climbed and everywhere they offer only an unbind from the operator by IMEI. Maybe there is a tutorial somewhere?

Answer 1

I have a decoupling for old phones that costs a penny, it’s easier to officially untie it, but no one bothers you to spend 10 seconds and insert any SIM card