There is no greater tragedy for a modern Internet user than losing access to a favorite social network or messenger. Here people spend a significant part of their lives, store the most important things: lists of friends, favorite media files and gigabytes of photos. It is also an opportunity to communicate and do business. Not to lose it all at once, it would be right to have a plan in case of a blocked account.
The "Grizzly Sms" is a service that will allow you to restore access to VK without a number within a couple of minutes and a few clicks.