Amazon suspended my Kindle Paperwhite a week ago. I was reading a book when it suddenly said that my kindle had a critical problem, and gave me 3 choices: 1. U

Amazon suspended my Kindle Paperwhite a week ago. I was reading a book when it suddenly said that my kindle had a critical problem, and gave me 3 choices: 1. Unpair my Amazon account with the kindle. 2. Sign out my account 3. Contact customer service I tried choice 2 but it didn't work. I contacted customer service and they told me their engineers will investigate the issue. Then I got a phone call from Amazon. They told me their engineers had fixed the problem and I only need to reboot it. I rebooted it. The "critical problem" gone. Still don't know what's wrong with my kindle.