He worked reformat the phone he asks Emil and him giving him the email did not open

Hello muntzr_1992,
It sounds like you are referring to Activation Lock on an iPhone. If that is the case, I can help you out with that.
I would start with using the article below. It will walk you through how to turn off Activation Lock on the device or at iCloud.com.
Turn off Find My iPhone Activation Lock
https://support.apple.com/en-us/HT201441
Take care