Add iPhone 18 Pro, iPhone 18 Pro Max and Vivo Y31d (2026) from Wikipedia

Author: Seungpyo1007

data/smartphone/apple/2026/iphone-18-pro-max.json

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+{
+  "slug": "iphone-18-pro-max",
+  "base_model_slug": "iphone-18-pro-max",
+  "name": "iPhone 18 Pro Max",
+  "brand": "apple",
+  "soc": "apple-a20-pro",
+  "release_date": "2026-09-18",
+  "ram_gb": 12,
+  "battery_mah": 5391,
+  "weight_g": 249.0,
+  "os": "iOS 27",
+  "verified": false,
+  "source_urls": [
+    "https://en.wikipedia.org/wiki/IPhone_18_Pro"
+  ]
+}

data/smartphone/apple/2026/iphone-18-pro.json

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+{
+  "slug": "iphone-18-pro",
+  "base_model_slug": "iphone-18-pro",
+  "name": "iPhone 18 Pro",
+  "brand": "apple",
+  "soc": "apple-a20-pro",
+  "release_date": "2026-09-18",
+  "ram_gb": 12,
+  "battery_mah": 4056,
+  "weight_g": 211.0,
+  "os": "iOS 27",
+  "verified": false,
+  "source_urls": [
+    "https://en.wikipedia.org/wiki/IPhone_18_Pro"
+  ]
+}

data/smartphone/vivo/2026/y31d.json

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+{
+  "slug": "y31d",
+  "base_model_slug": "y31d",
+  "name": "Y31d",
+  "brand": "vivo",
+  "soc": "snapdragon-6s-4g-gen-2",
+  "release_date": "2026-01-28",
+  "ram_gb": 6,
+  "battery_mah": 7200,
+  "weight_g": 219.0,
+  "os": "Android 16",
+  "verified": false,
+  "source_urls": [
+    "https://en.wikipedia.org/wiki/Vivo_Y31d"
+  ]
+}