If you lose your mobile phone, instruct your provider to block your SIM card immediately!
In the event of loss of your mobile phone, contact your provider without delay. The provider can block the SIM card. This will protect you from incurring costs through third-party use of your mobile phone.
Install a location app on your smartphone.
If you lose your mobile phone you can find it again with the help of a location app. This facility is often included in safety apps with more extensive functions.
Install an app for remote data deletion.
If you have stored sensitive data on your mobile device, you should consider installing an app for remote data deletion. In such an event it usually suffices to send a pre-defined message to your own number.
But be careful: This function can also be used with malicious intent by a third party – never disclose this to anyone.
Regularly backup your smartphone data.
Regular backups of your smartphone data stores act as a safeguard against data loss or damage to hardware.
Before disposing of your smartphone you should remove the SIM card and delete and overwrite the data store.
If you store sensitive data on your smartphone it is not sufficient to simply delete it when you dispose of your device! The data store must be completely overwritten with new data and subsequently formatted.
You should also remove and destroy the SIM card unless you intend to continue using it or are required to return it to your mobile provider.