If you signed up for MYMobileSecurity using your account with a third party as a Payment Method and wish to cancel your MYMobileSecurity membership, you may need to do so through such third party, for example by visiting your account with the applicable third party and turning off auto-renew, or unsubscribing from the MYMobileSecurity service through that third party. You may also find billing information about your MYMobileSecurity membership by visiting your account with the applicable third party.<br> 3.4. Changes to the Price and Service Plans. We may change our service plans and the price of our service from time to time. however, any price changes or changes to our service plans will apply to you no earlier than 30 days following notice to you.<br> MYMobileSecurity Service</p> <p>4.1. You must be 18 years of age, or the age of majority in your province, territory or country, to become a member of the MYMobileSecurity service. Minors may only use the service under the supervision of an adult.<br> 4.2.