Getting your phone IMEI after unrooting it?

I unrooted my device, Galaxy A05 that was previously rooted, I uprooted unrooted it because it wouldn't accept certain apps in the phone when rooted. After the unroot, I totaled that it lost its IMEI, I want to restore and fix it, because it can't place calls, login into my account. The question now is, is it possible at home and how