Here are some things to consider doing. Some items may not be applicable to you.
Smartphone security checklist
By Don Parcher
December 18th, 2012
The Federal Communications Commission (FCC) has made available a free online to help with smartphone security. You can access a checklist tailored for an Apple iOS, Google Android, BlackBerry or Windows smartphone at fcc.gov and a checklist for general smartphone security is at fcc.gov.