You can't clean them. You either physically, utterly destroy them or they can be scraped.
True, they can be degaussed by a data destruction company, but the devices would be useless afterwords.
undefined subscriptions will be displayed on your profile (edit)
Skip for now
For your security, we need to re-authenticate you.
Click the link we sent to , or click here to sign in.
You can't clean them. You either physically, utterly destroy them or they can be scraped.
True, they can be degaussed by a data destruction company, but the devices would be useless afterwords.