I’ll give a extra optimistic reply, relying on what the consumer means by “pockets gone” within the topic line.

In the event that they used a desktop bitcoin pockets, and so they by no means backed it up, and so they have thrown away the onerous drive (or encrypted it a number of occasions and misplaced the important thing) then I believe it is honest to say that their Bitcoin is irretrievably gone.

Nonetheless, as I learn the query, they merely saved their 12 phrase restoration phrase on their telephone after which misplaced the telephone. Their Bitcoin continues to be retrievable if a few circumstances might be met:

In the event that they used a web-based pockets (comparable to Blockchain.data) AND
They nonetheless management the e-mail tackle that they used to register for that pockets AND
They bear in mind half or the entire password to their pockets
Then they may retrieve their Bitcoin.

This is the way you’d do that in case your pockets was on Blockchain.data:

Get your “Pockets ID”, both by discovering your authentic “Welcome to My Pockets” e mail in your inbox, or
Go to https://blockchain.data/pockets/#/login
Click on on “View Choices”
Click on “Remind Me”
Enter your e mail tackle and submit the shape
Wait a couple of minutes whereas Blockchain.data emails you your Pockets ID
Subsequent, in the event you bear in mind your password you’ll be able to login to Blockchain.data together with your Pockets ID and your password. Downside solved.
In case you do not bear in mind your password, however you will have your Pockets ID and also you’re assured that you recognize a part of the password then [shameless plug] a service like ours (https://www.recovercrypto.org) will help you get better your password.