iPhone Release

Simon Sun, Mike Jones Simon Sun, left, gets a high five from Apple sales associate Mike Jones, right, during the opening day of new iPhone 5S and iPhone 5C sales in Richmond, Va., Friday, Sept. 20, 2013. (AP Photo/Steve Helber)

AP Photo/Steve Helber

Deborah Choi, Isabel Ramo, Christen Ramo Sales Associate Deborah Choi, right, talks to Isabel Ramo, 3, about her iPhone 4 as her mother Christen Ramo waits for her new iPhone 5s on the day of it's release, at a Best Buy in Atlanta, Friday, Sept. 20, 2013. (AP Photo/John Amis)

AP Photo/John Amis

Isabel Ramo, Christen Ramo Isabel Ramo, 3, right, compares her iPhone 4 with her mom Christen Ramo's new iPhone 5s for a photographer on the day of the release, at a Best Buy in Atlanta, Friday, Sept. 20, 2013. (AP Photo/John Amis)

AP Photo/John Amis

Ju Lee, Brad Deep Managers Ju Lee, left, and Brad Deep get iPhone 5s and iPhone 5c phones ready for sale on the day of their release, at a Best Buy in Atlanta, Friday, Sept. 20, 2013. (AP Photo/John Amis)

AP Photo/John Amis

Iphone Sales The new iPhone 5s is shown atop the model that precedes it on the day of its release, at a Best Buy in Atlanta, Friday, Sept. 20, 2013. (AP Photo/John Amis)

AP Photo/John Amis

Iphone Sales A new iPhone 5s is shown on the day of it's release, at a Best Buy in Atlanta, Friday, Sept. 20, 2013. (AP Photo/John Amis)

AP Photo/John Amis

iPhone 5s A sign announces the arrival of the new iPhone 5s and c series at the Apple Store on Lincoln Road in Miami Beach, Fla., Friday, Sept. 20, 2013, the first day of sales. (AP Photo/J Pat Carter)

AP Photo/J Pat Carter

APTOPIX iPhone Sales A customer examines a new iPhone 5s at the Nebraska Furniture Mart in Omaha, Neb., on Friday, Sept. 20, 2013, the day the new iPhone 5c and 5s models go on sale. (AP Photo/Nati Harnik)

AP Photo/Nati Harnik

iPhone Sales Customers pose for photos with new iPhone 5s bought during the opening day of sales of the iPhone 5s and iPhone 5C at the Apple store at the Americana at Brand mall in Glendale, Calif., Friday, Sept. 20, 2013. (AP Photo/Damian Dovarganes)

AP Photo/Damian Dovarganes

iPhone Sales Customers pose for photos with new iPhone 5s bought during the opening day of sales of the iPhone 5s and iPhone 5C at the Apple store at the Americana at Brand mall in Glendale, Calif., Friday, Sept. 20, 2013. (AP Photo/Damian Dovarganes)

AP Photo/Damian Dovarganes

Iphone Release A manager brings out a stack of new iPhone 5s and iPhone 5c phones on the day of their release at a Best Buy in Atlanta, Friday, Sept. 20, 2013. (AP Photo/John Amis)

AP Photo/John Amis

iPhone Sales Customers buy the latest versions of the iPhone 5C and 5S at the Apple store at the Americana at Brand mall in Glendale, Calif., Friday, Sept. 20, 2013. Friday is the first time Apple is releasing two different iPhone models at once. (AP Photo/Damian Dovarganes)

AP Photo/Damian Dovarganes

iPhone Sales A woman woman stands in line, outside the Apple Store on Lincoln Road in Miami Beach, Fla., Friday, Sept. 20, 2013. Friday is the first time Apple is releasing two different iPhone models at once. (AP Photo/J Pat Carter)

AP Photo/J Pat Carter

iPhone Sales Apple sales associates distribute vouchers to customers waiting in line for the latest versions of the iPhone, before the opening day of sales of the iPhone 5s and iPhone 5C at the Apple store at the Americana at Brand mall in Glendale, Calif., Friday, Sept. 20, 2013. (AP Photo/Damian Dovarganes)

AP Photo/Damian Dovarganes

Alex Guglielimo, Joel Escobar Alex Guglielimo, left, and Joel Escobar check out the new iPhone 5s on display at a Best Buy in Atlanta, Friday, Sept. 20, 2013. Friday is the first time Apple is releasing two different iPhone models at once. (AP Photo/John Amis)

AP Photo/John Amis

iPhone Sales Apple sales associates cheer customers waiting in line for the latest versions of the iPhone, before the opening day of sales of the iPhone 5s and iPhone 5C at the Apple store at the Americana at Brand mall in Glendale, Calif., Friday, Sept. 20, 2013. (AP Photo/Damian Dovarganes)

AP Photo/Damian Dovarganes

iPhone 5c A row of iPhone 5c phones are on display at the Apple Store on Lincoln Road in Miami Beach, Fla., Friday, Sept. 20, 2013, the first day of sales for the phone. (AP Photo/J Pat Carter)

AP Photo/J Pat Carter

iPhone 5c A row of iPhone 5c phones are on display at the Apple Store on Lincoln Road in Miami Beach, Fla., Friday, Sept. 20, 2013, the first day of sales for the phone. (AP Photo/J Pat Carter)

AP Photo/J Pat Carter

New iPhone Customers check out the latest versions of the iPhone that went on sale Friday, Sept. 20, 2013 in Montreal. Friday is the first time Apple is releasing two different iPhone models at once. (AP Photo/The Canadian Press, Ryan Remiorz)

AP Photo/The Canadian Press, Ryan Remiorz

iPhone Sales Customers wait in line to buy the latest versions of the iPhone during the opening day of sales of the iPhone 5s and iPhone 5C at the Apple store at the Americana at Brand mall in Glendale, Calif., Friday, Sept. 20, 2013. (AP Photo/Damian Dovarganes)

AP Photo/Damian Dovarganes

iPhone Sales A new iPhone 5s, bottom and a new iPhone 5c are seen on display at the Nebraska Furniture Mart in Omaha, Neb., on Friday, Sept. 20, 2013, the day the new iPhone 5c and 5s models go on sale. (AP Photo/Nati Harnik)

AP Photo/Nati Harnik

iPhone Apple is testing a new system that could make it unnecessary to listen to voicemails. (File, AP Photo/Nati Harnik)

File, AP Photo/Nati Harnik

John Ulrich John Ulrich of Omaha waits at the head of the line for a new iPhone 5s at the Nebraska Furniture Mart in Omaha, Neb., on Friday, Sept. 20, 2013, the day the new iPhone 5c and 5s models go on sale. (AP Photo/Nati Harnik)

AP Photo/Nati Harnik

JoAnn Dulaney JoAnn Dulaney displays a new iPhone 5s sold in Pembroke Pines, Fla., Friday, Sept. 20, 2013. Dulaney stood in line for 13 hours to buy the phone for her son. (AP Photo/J Pat Carter)

AP Photo/J Pat Carter

New iPhone Customers wait in line for the latest versions of the iPhone that went on sale Friday, Sept. 20, 2013 in Montreal. Friday is the first time Apple is releasing two different iPhone models at once. (AP Photo/The Canadian Press, Ryan Remiorz)

AP Photo/The Canadian Press, Ryan Remiorz

New iPhone Customers check out the latest versions of the iPhone that went on sale Friday, Sept. 20, 2013 in Montreal. Friday is the first time Apple is releasing two different iPhone models at once. (AP Photo/The Canadian Press, Ryan Remiorz)

AP Photo/The Canadian Press, Ryan Remiorz

iPhone Sales New iPhone 5S are on display at an Apple store in Richmond, Va., Friday, Sept. 20, 2013. Apple is releasing two different iPhone models at once. The pricier one, at $199 with a two-year contract, sports a fingerprint sensor, a better camera and a faster processor. (AP Photo/Steve Helber)

AP Photo/Steve Helber

iPhone Sales A Best Buy employee prepares to scan a new iPhone 5S during the opening day of sales of the new phone in Richmond, Va., Friday, Sept. 20, 2013. Apple is releasing two different iPhone models at once. The pricier one, at $199 with a two-year contract, sports a fingerprint sensor, a better camera and a faster processor. (AP Photo/Steve Helber)

AP Photo/Steve Helber

Diana Nguyn Diana Nguyn displays her new iPhone 5S during the opening day of new iPhone sales in Richmond, Va., Friday, Sept. 20, 2013. Apple is releasing two different iPhone models at once. The pricier one, at $199 with a two-year contract, sports a fingerprint sensor, a better camera and a faster processor. (AP Photo/Steve Helber)

AP Photo/Steve Helber

iPhone Sales A display of iPhone 5C's at an Apple store during the opening day of sale of the new phones in Richmond, Va., Friday, Sept. 20, 2013. Apple is releasing two different iPhone models at once. The pricier one, at $199 with a two-year contract, sports a fingerprint sensor, a better camera and a faster processor. The fingerprint sensor alone is worth the $100 more you'll pay over an iPhone 5C. (AP Photo/Steve Helber)

AP Photo/Steve Helber

Howard Sampson Best Buy mobile manager Howard Sampson reaches for a new iPhone during the opening day of new iPhone 5S and 5C sales in Richmond, Va., Friday, Sept. 20, 2013. (AP Photo/Steve Helber)

AP Photo/Steve Helber

iPhone Sales Apple sales associates talk with customers waiting in line for new iPhones during the opening day of new iPhone sales at an Apple store in Richmond, Va., Friday, Sept. 20, 2013. (AP Photo/Steve Helber)

AP Photo/Steve Helber

iPhone Sales Diana Nguyn holds her new iPhone 5S during the opening day of new iPhone sales in Richmond, Va., Friday, Sept. 20, 2013. (AP Photo/Steve Helber)

AP Photo/Steve Helber

iPhone Sales An iPhone 5S is displayed during the opening day of new iPhone sales in Richmond, Va., Friday, Sept. 20, 2013. (AP Photo/Steve Helber)

AP Photo/Steve Helber

Simon Sun, Mike Jones Simon Sun, left, gets a high five from Apple sales associate Mike Jones, right, during the opening day of new iPhone 5S and iPhone 5C sales in Richmond, Va., Friday, Sept. 20, 2013. (AP Photo/Steve Helber)

AP Photo/Steve Helber