I've edited your post as this is an English only forum, you can use Google Translate to reply and/or post.
This is something that only your Local Support can answer if they can reset the unlock counter, for that you will have to send your phone, but again, you have to contact them, as this is a global user based forum.
"I'd rather be hated for who I am, than loved for who I am not." Kurt Cobain (1967-1994)
As @uliwooly wrote, if you have already sent an Email to your Local support team, wait for them to reply and see if they can assist you with this.
The Xperia M2 has reached it's end of support, so I'm not 100% sure that a service centre can remove the network lock, but wait for the reply from your Local support team, as the routines for removing a network lock may be vary between markets.