Inserted, your SIM card follows an authentication process which is as follows: Your number, the call will go the exact phone that you have. This key is provided by your carrier and itĬonnects your phone number with your device. This provides communication privacy.Ĭhip also stores specific data such as the name of your service provider, yourĬard’s unique serial number, your PUK code, last dialed numbers and your PINĬard is also where the International Mobile Subscriber Identity (IMSI) and itsĪuthentication key are kept. The key to encrypt andĭecrypt messages is stored in the SIM card. It contains the operating system for the card and stores important information like SMS messages and phone numbers.įrom your phone to the network are in a secret code. Your mobile device reads the chip when you stick the SIM in it. The chip contains a processor, memory and security circuits. ![]() It’s made from silicone and plated with gold or other metals to help it keep in contact with the phone. ![]() How does a SIM card work?Ī SIM card contains a smaller chip that works as its micro controller. Word SIM stands for Subscriber Identity Module. SIM card is a tiny card that’s placed on the back of a GSM smartphone and the SIM card, GSM models do, and they happen to be the more popular of the two (CDMA) and Global System for Mobile (GSM). No points or Companion Pass qualifying points will be awarded for flights taken by the Companion using the Companion Pass.Mobile phones come in two main varieties, namely Code Division Multiple Access The following do not count as Companion Pass qualifying points: purchased points points transferred between Members points converted from hotel and car loyalty programs, e-Rewards®, Valued Opinions, and Diners Club® points earned from Rapid Rewards program enrollment tier bonus points flight bonus points and partner bonus points (with the exception of the Rapid Rewards Credit Cards from Chase). Only points posted on your billing statements and posted to your Rapid Rewards account during the same calendar year are available for qualification for Companion Pass status. Points earned during a billing cycle on a Southwest Rapid Rewards Credit Card from Chase are not available for redemption or qualification for Companion Pass status until they are posted on your billing statement and posted to your Rapid Rewards account. *Companion Pass qualifying points are earned from revenue flights booked through Southwest®, points earned on Southwest Rapid Rewards® Credit Cards, and base points earned from Rapid Rewards® partners. Remember, to requalify for your Companion Pass®, you'll need to earn 135,000 Companion Pass qualifying points* or fly 100 qualifying one-way flights in a calendar year. If you would like to book through a Customer Representative, call 1-80 and notify him/her that a Companion Pass will be used. Click Purchase to complete your Companion’s flight reservation. A Companion’s reservation is not considered a purchased flight, and therefore, another Companion Pass reservation cannot be booked from it. Click Continue to proceed to the purchase screen and review your Companion information. Find your flight in the Upcoming section and click on Add Companion link. You must book your flight prior to booking your designated Companion’s flight.Īfter booking your flight, visit the My Trips section of your account. Reservations are required for all Companion Pass travel. Once you complete the designation process, a Companion Pass Member kit and membership card will arrive in seven to ten business days. Or if you’d prefer, give us a call at 1-80. On your Snapshot tab, locate Choose Your Companion, click Enter Companion Info, and follow the posted instructions. ![]() ![]() Log in to your Rapid Rewards account at.
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