Hello Petre,
Thank you for using Apple Support Communities!
I understand from your post that after entering your password you are being taken to a blank screen and/or the verification prompt loops back around. Are you able to log into appleid.apple.com with the same Apple ID? Also, in the image you provided it shows that your iPhone has NO SIM installed. To help rectify this situation, you may need to install a working SIM card. The following article has steps that address issues with the NO SIM error you may find useful:
If you get an alert about the SIM card in your iPhone - Apple Support
Best Regards.
Thank you for using Apple Support Communities!
I understand from your post that after entering your password you are being taken to a blank screen and/or the verification prompt loops back around. Are you able to log into appleid.apple.com with the same Apple ID? Also, in the image you provided it shows that your iPhone has NO SIM installed. To help rectify this situation, you may need to install a working SIM card. The following article has steps that address issues with the NO SIM error you may find useful:
If you get an alert about the SIM card in your iPhone - Apple Support
Best Regards.