IPhone 6S iPhone 6S and 6S Plus. On March 31, 2017, the iPhone 6S and 6S Plus were released in Indonesia alongside the iPhone 7 and 7 Plus, following Apple's research and development investment in the country. The iPhone 6S, iPhone 6S Plus, and iPhone SE were the last iPhone models to feature a standard 3.5 mm stereo headphone jack. The iPhone 6S is nearly identical in design to the iPhone 6. In response to the "bendgate" design flaws of the previous model, changes were made to improve the durability of the chassis: the 6S was constructed from a stronger, 7000 series
IPhone 7 on the iPhone 7 Plus model to provide enhanced zoom capabilities. Reception of the iPhone 7 was mixed. Although reviewers noted the improvements to the camera, especially the dual rear camera on the Plus model, they also stated that the iPhone 7 did not make significant changes to the display or build quality, where competing flagship smartphones surpassed the quality of the iPhone 7. Many reviews highlighted the controversial removal of the 3.5 mm headphone jack; some critics argued that the change was meant to bolster licensing of the proprietary Lightning connector and the sales of Apple's own wireless headphone