- If your phone has an auto-lock feature, activate it. This will automatically lock your phone after a designated period of time, and requires the previously mentioned 4 digit pass-code to unlock it. Consider having the auto-lock set on either one or two minutes in order to reduce inconvenience to you, as well the phone’s exposure to risk.
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- You can assign a PIN (personal identification number) to your SIM (subscriber identity module) card, so that it can’t be used in other phones without the PIN. Note: Choosing a secure SIM PIN is an important part of keeping the information located on the SIM card safe. You should take time to ensure that you have chosen a PIN that is both hard to guess by others, but easy for you to recall. Avoid choosing PINs that utilize the same digits found in your ATM or credit card PINs. Using birthdays and the last four digits of Social Security numbers also is not advised.
- Record your smartphone’s International Mobile Equipment Identity (IMEI) number and serial number. The IMEI number is a 15-digit number used by wireless carriers to identify your phone. Both numbers can be found on the back of your smartphone (sometimes inside the battery compartment). If a mobile phone is stolen, the owner can call his or her network provider and instruct them to "blacklist" the phone using its IMEI number. This renders the phone useless on that network and sometimes other networks too, regardless of whether or not the phone's SIM is changed.
- As you would back up the data on your computer, frequently back up the data on your smartphone. It is a simple, but crucial, way to insure the safety of what may be a massive amount of data that you wouldn’t want to lose. However, be aware of the fact that the method of doing so varies by platform.
If your phone is stolen, change all your passwords on all your accounts linked to your phone. Be sure to report the theft to your police department and notify your wireless provider immediately.
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