Sprint, meanwhile, pulls up the rear among the major wireless carriers. Among non-contract carriers, the top ranking goes to Virgin Mobile.
AT&T manages to grab the top spot, but J.D. Power says the wireless purchase experience is getting better overall.
While the iPad lost out by a slim margin in overall satisfaction, it still proved strongest in areas ranging from performance to design. So who's the real winner?
The latest recap of customer satisfaction reflects the strengths of the two companies. Samsung gets strong marks for the cost of its tablets, and Apple scores well in performance and ease of operation.
Users of the nation's two top wireless services favor Apple, but those who use Sprint and T-Mobile love Samsung, according to a J.D. Power survey.
Company wins top spot in survey ranking the nation's four major wireless carriers in terms of in-store and online purchase experience. Sprint, which fell to third place, had been No. 1 in the survey previously.
It's the ninth consecutive time that Apple's iPhone has led all other smartphones in customer satisfaction. Samsung wasn't No. 2, but it was close.
Marketing researchers recognize the nation's largest wireless provider as a leader in customer care.
Survey points to close battle between Apple and Amazon, which enjoy a wide lead over the rest of the pack.
Apple surpassed HTC, Samsung, and other smartphone makers by scoring a grade of 849 out of 1,000 in J.D. Power's latest report.