Are you worried because someone is hacking into your online web and social media accounts? You should read and implement these tips today.
Does your lock screen not working ? Does it showing up an error saying Disabled by administrator, encryption policy or credential storage.
Lock all your personal contacts, phone book, messages, WhatsApp chat, games, gallery and other Apps in Android phone to secure from children.
Recently my mobile phone was stolen while I was travelling. So to get new card keeping same number was difficult and had some issues.