Accelerometers are used in mobile devices to detect changes in orientation, help tell the phone which way is up and down, and tell the screen to rotate.

Apple iPhone XR (64GB, (PRODUCT)RED) [Locked] + Carrier Apple iPhone XR (64GB, (PRODUCT)RED) [Locked] + Carrier

At 326 pixels per inch, it's the same pixel density as the iPhone 4 through 8; it's less dense than the iPhone XS, but it's really hard to notice unless you're really picky and have very sharp eyes. Testing conducted by Apple in August 2017 using pre-production iPhone X, iPhone 8 and iPhone 8 Plus units and software, and in August 2018 using pre-production iPhone X S, iPhone X S Max and iPhone X R units and software, with accessory Apple USB‑C Power Adapters (18W Model A1720, 29W Model A1540, 30W Model A1882, 61W Model A1718 and 87W Model A1719).

If you decide to get the iPhone XR because it's beautiful and you do it with your eyes open, that's absolutely fine. You can't go wrong with our top pick, which features the incredible (PRODUCT)RED hue found on other Apple products over the years.

iPhone 11 vs iPhone XR: which iPhone is made for you? iPhone 11 vs iPhone XR: which iPhone is made for you?

Also, on the XR, portrait really means portrait: It will only kick in if it detects a human face, because it's using machine learning to figure out that silhouette.Get blue, coral, red, white, or yellow, and then put a clear case on the back to flatten out the camera bump (it's pretty noticeable) but still show off the color. Read our Product Environmental Reports for detailed information on the environmental performance of every Apple product. Now, I want to put this in context, because when our LTE tests came out, one commenter said, "Well then, I'll stick with my iPhone 6, because this is awful!