IPhone 6 or Multi-Touch issues after being dropped multiple times on a hard surface and then incurring further stress on the device". Apple Inc. announced that, within 24 hours of availability, over 4 million pre-orders of the iPhone 6 and 6 Plus were made, exceeding the supply available. More than 10 million iPhone 6 and iPhone 6 Plus devices were sold in the first three days. IPhone 6 The iPhone 6 and iPhone 6 Plus are smartphones designed and marketed by Apple Inc. It is the eighth generation of the iPhone, succeeding the iPhone 5S that were announced on September 9, 2014,
IPhone screens on the first three generations have a resolution of 320×480 (HVGA) at 163 ppi; those on the iPhone 4 and iPhone 4S have a resolution of 640×960 at 326 ppi; the 4-inch models, with 640×1136 at 326 ppi; the 4.7-inch models, with 750×1334 at 326 ppi; the 5.5-inch models, with 1080×1920 at 401 ppi; and the 5.8-inch model X, with 1125×2436 at 458 ppi. The initial models were using twisted-nematic (TN) LCDs. Starting with iPhone 4, the technology was changed to in-plane switching (IPS) LCDs. The iPhone 5 model's screen results in an aspect ratio of approximately 16:9. The