<P> In Cantonese, the local language of Hong Kong, the slogan could be mistakenly interpreted as "This is penis". "Tsat", (Chinese: 杘; Jyutping: cat6), is a common slang term for an erect penis, and "seven", (Chinese: 七; Jyutping: cat1), which varies only in tone, is often used as a eupuemism . </P> <P> In the iPhone 7, Apple added a software lock that prevents individuals from attempting to replace the home button on their own . Users are now required to go to an Apple Store to have repairs done, with "recalibration" of the button being necessary . This is a step further than Apple went with iPhone 5S, 6 and 6S, where only Touch ID functionality would get disabled but the "return - to - home" functionality still worked . </P> <P> Some iPhone 7 devices with the model numbers A1660, A1780 and A1779 suffer from a problem where they show a "No service" message even when cellular reception is available . Apple will repair those devices for free within two years of the first retail sale of the unit . </P> <P> Apple has deliberately withheld pre-order sales numbers, citing that these are "no longer a representative metric for our investors and customers". Without releasing specific numbers, T - Mobile US stated that the iPhone 7 had broken the carrier's all - time record for first - day pre-order sales . The following weekend, T - Mobile US stated that iPhone 7 was its biggest iPhone launch ever, being "up nearly 4x compared to the next most popular iPhone". </P>

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