How do I reactivate a deactivated Republic Wireless Phone?
Community would be better able to help you if we knew which phone you have. Meanwhile here’s general information: Activate My Phone.
The phone is a MOTO E 2nd Generation
If the user of the phone will be different from the previous user, starting with a Factory Reset is best practice. Post reset, it’s a matter of following on screen prompts to activate the phone: https://community.republicwireless.com/docs/DOC-2430-activate-my-phone#setuplollipop.