The iPhone SE is equipped with a 4‑inch (diagonal) LED‑backlit widescreen Multi‑Touch Retina display with 1136‑by‑640‑pixel resolution at 326 ppi. The new SE handset replaced the iPhone 5s in Apple's current 2016 iPhone 6 lineup. It was officially introduced on Monday, March 21st and it was officially launched on Thursday, March 31.
The 4-inch iPhone SE was officially announced on Monday, March 21st at Apple's Infinite Loop campus in Cupertino, California. The new handset replaced the iPhone 5s in Apple's current iPhone 6 and 6s lineup. Pre-orders opened in 14 countries and territories on Thursday, March 24 and the device officially went on sale on Thursday, March 31.