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<div style="font: bold 2em/1.2 -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Helvetica Neue', Helvetica, Arial, sans-serif; color: var(--wiki-color); margin-bottom: 0.8em;">iPhone X<span style="font-variant-caps: all-small-caps;">S</span> Max</div>
<span style="color: #555; font-weight: bold;" darkstyle="color: var(--wiki-muted);">Welcome to the big screens.</span>
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| colspan="3" style="padding: 0;" | <div style="max-width: 300px; margin: 5px auto;">![[iphone_xs_max.webp]]</div>
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| style="width: 33.4%; background-color: #262529; color: #fff;" | '''Space Gray'''
| style="width: 33.3%; background-color: #fadcc2; color: #000;" | '''Gold'''
| style="width: 33.3%; background-color: #e4e4e2; color: #000;" | '''Silver'''
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| colspan="3" style="background-color: #333; padding: 8px;" | [https://support.apple.com/kb/SP780?locale=en_US <span style="color: #fff;">iPhone XS Max — Technical Specifications (Apple Support)</span>]
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{{iPhone lineup Navbox}}
The iPhone XS Max is a [[smartphone]] designed and marketed by [[Apple|Apple]], announced on September 12, 2018, and released on September 21, 2018, as the large companion to the [[iPhone XS]]. It brought the all-screen [[iPhone X]] design to the size class the [[iPhone 8 Plus]] had left behind — and beyond it: a 6.5-inch Super Retina OLED, the largest iPhone display to date, in a body physically smaller than the old 5.5-inch Plus phones because the screen had swallowed the bezels.
"Max" replaced "Plus" in the naming — and unlike the Plus era, the Max carried no camera or memory advantage: it was precisely an XS with a bigger display and battery, at a $100 premium starting from $1,099 and topping out at $1,449, then the most expensive iPhone ever sold. Buyers took the deal enthusiastically: the Max outsold the 5.8-inch XS by most estimates, confirming that at the four-figure tier, bigger had become the default.
Like the XS, it served one year before the [[iPhone 11 Pro Max]] replaced it.
= Design =
The XS Max scales the X/XS architecture — stainless band, glass sandwich, notch — to 157.5 × 77.4 mm, fractionally narrower and shorter than the [[iPhone 8 Plus]] while showing an inch more screen diagonal. At 208 g it took the "heaviest iPhone" title from the 8 Plus. Space Gray, Silver, and the new Gold matched the XS, as did IP68 sealing and the durability-upgraded glass. Reachability — the old Plus concession to thumbs — returned via a swipe-down gesture on the bottom edge.
= Display =
The 6.5-inch Super Retina OLED — 2688 × 1242, the same 458 ppi as the XS — was the largest and highest-resolution display ever on an iPhone, with HDR (Dolby Vision and HDR10), True Tone, wide color, and 3D Touch. Landscape apps regained the two-pane layouts lost since the Plus era, and video in HDR on the big OLED became the phone's best demonstration. Reviewers measured it, like the X panel before it, among the most color-accurate mobile displays ever tested.
= Hardware =
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! style="color: #555; text-align: left; width: 22%;" darkstyle="color: var(--wiki-color);" | Developer
| style="text-align: left;" | [[Apple|Apple]]
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! style="color: #555; text-align: left;" darkstyle="color: var(--wiki-color);" | Generation
| style="text-align: left;" | 12th
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! style="color: #555; text-align: left;" darkstyle="color: var(--wiki-color);" | Announced
| style="text-align: left;" | September 12, 2018
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! style="color: #555; text-align: left;" darkstyle="color: var(--wiki-color);" | Released
| style="text-align: left;" | September 21, 2018
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! style="color: #555; text-align: left;" darkstyle="color: var(--wiki-color);" | Discontinued
| style="text-align: left;" | September 10, 2019
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! style="color: #555; text-align: left;" darkstyle="color: var(--wiki-color);" | Predecessor
| style="text-align: left;" | [[iPhone 8 Plus]] (size class)
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! style="color: #555; text-align: left;" darkstyle="color: var(--wiki-color);" | Related
| style="text-align: left;" | [[iPhone XS]] · [[iPhone XR]]
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! style="color: #555; text-align: left;" darkstyle="color: var(--wiki-color);" | Successor
| style="text-align: left;" | [[iPhone 11 Pro Max]]
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! style="color: #555; text-align: left;" darkstyle="color: var(--wiki-color);" | Display
| style="text-align: left;" | 6.5-inch Super Retina OLED<br>2688 × 1242 (458 ppi)<br>HDR · True Tone · 3D Touch
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! style="color: #555; text-align: left;" darkstyle="color: var(--wiki-color);" | Chip
| style="text-align: left;" | [[Apple A12|Apple A12 Bionic]]<br>(2 + 4 cores, 7 nm<br>· 8-core Neural Engine)
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! style="color: #555; text-align: left;" darkstyle="color: var(--wiki-color);" | RAM
| style="text-align: left;" | 4 GB
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! style="color: #555; text-align: left;" darkstyle="color: var(--wiki-color);" | Storage
| style="text-align: left;" | 64 GB · 256 GB · 512 GB
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! style="color: #555; text-align: left;" darkstyle="color: var(--wiki-color);" | Rear cameras
| style="text-align: left;" | 12 MP wide, f/1.8, OIS (1.4µ pixels)<br>+ 12 MP telephoto, f/2.4, OIS<br>Smart HDR · adjustable-depth Portrait
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! style="color: #555; text-align: left;" darkstyle="color: var(--wiki-color);" | Front camera
| style="text-align: left;" | 7 MP TrueDepth · Face ID
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! style="color: #555; text-align: left;" darkstyle="color: var(--wiki-color);" | Battery
| style="text-align: left;" | 3,174 mAh · Qi wireless charging
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! style="color: #555; text-align: left;" darkstyle="color: var(--wiki-color);" | Connectivity
| style="text-align: left;" | Gigabit-class LTE · dual SIM (eSIM)<br>Wi-Fi 802.11ac · Bluetooth 5.0
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! style="color: #555; text-align: left;" darkstyle="color: var(--wiki-color);" | Durability
| style="text-align: left;" | IP68 · stainless steel frame
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! style="color: #555; text-align: left;" darkstyle="color: var(--wiki-color);" | Colors
| style="text-align: left;" | Space Gray · Gold · Silver
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! style="color: #555; text-align: left;" darkstyle="color: var(--wiki-color);" | Launch price
| style="text-align: left;" | $1,099 (64 GB) · $1,249 (256 GB) · $1,449 (512 GB)
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! style="color: #555; text-align: left;" darkstyle="color: var(--wiki-color);" | OS
| style="text-align: left;" | iOS 12.0 ~ 18
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Internally the Max is an [[iPhone XS]] — A12 Bionic, 4 GB of RAM, identical dual camera and Smart HDR pipeline, IP68, eSIM dual-SIM — plus the largest battery yet fitted to an iPhone at 3,174 mAh, rated an hour past the X and ninety minutes past the XS. The undifferentiated camera marked the clean break from Plus-era logic: size itself, not features, was now the premium.
= Camera =
Identical to the XS: the larger-pixel 12-megapixel wide sensor, OIS telephoto, nine-frame Smart HDR, adjustable-depth Portraits, and extended-dynamic-range video. On the 6.5-inch HDR OLED, the camera's output simply looked better — the Max as its own best photo frame.
= Software =
Shipped with iOS 12, with the restored landscape split-view layouts as its size dividend; Memoji, Shortcuts, and Screen Time debuted with the release. Supported through iOS 18, its final major version.
= Release and reception =
The Max absorbed the XS launch's energy — carrier and analyst data through the fall consistently put it ahead of the smaller model, sometimes two-to-one, and the 512 GB Gold Max became the season's status object at a sticker no phone had carried before. Reviews treated it as the XS verdict at larger scale: the best big phone made, the best battery in the line, priced past any easy recommendation while the [[iPhone XR]] existed. It was discontinued with the XS on September 10, 2019.
= Legacy =
The XS Max established that the largest iPhone is the flagship in practice: from the [[iPhone 11 Pro Max]] through the current [[iPhone 17 Pro Max]], the Max tier has anchored Apple's top price and its buyers have kept choosing it. It normalized both the $1,099+ price band and the 6.5-inch-class display that every subsequent generation refined — and it retired the Plus name's original meaning for good, "Max" becoming the word for the phone with no compromises but its size.