Q: my iphone blocked while was making an update

Hello, L0utsia. 

Thank you for visiting Apple Support Communities. 

I would need clarification on what you mean by blocked to provide a better answer.  However, here are a couple articles that you may find helpful. 

If you can't update or restore your iOS device

http://support.apple.com/kb/ht1808

iOS: Apple logo with progress bar after updating or restoring from backup

http://support.apple.com/kb/TS3681

iCloud: Find My iPhone Activation Lock in iOS 7

http://support.apple.com/kb/ht5818

Cheers,

Jason H.