feat(data/smartphone): add Wikipedia URLs for 6 verified smartphones

Author: Seungpyo1007

data/smartphone/fairphone/2021/4/fairphone-4-aitoolbuzz-2557-8gb-128gb-5g.json

@@ -10,7 +10,8 @@
   "os": "Android 11, up to Android 14",
   "verified": false,
   "source_urls": [
-    "https://aitoolbuzz.com/mobiles/fairphone-4"
+    "https://aitoolbuzz.com/mobiles/fairphone-4",
+    "https://en.wikipedia.org/wiki/Fairphone_4"
   ],
   "variant": {
     "region": "global",

data/smartphone/google/2017/pixel-2/google-pixel-2-4gb-64gb-4g.json

@@ -43,7 +43,8 @@
   "verified": false,
   "source_urls": [
     "https://www.kaggle.com/datasets/rajibdab/global-smartphone-database-2025",
-    "https://www.mobiledokan.com/mobile/google-pixel-2"
+    "https://www.mobiledokan.com/mobile/google-pixel-2",
+    "https://en.wikipedia.org/wiki/Google_Pixel_2"
   ],
   "ip_rating": "IP67",
   "image_url": "https://www.mobiledokan.com/media/google-pixel-2-just-black-official-image.webp",

data/smartphone/hmd/2025/key/hmd-key-2gb-32gb-4g-lte.json

@@ -9,7 +9,8 @@
   "os": "Android v14",
   "verified": false,
   "source_urls": [
-    "https://www.kaggle.com/datasets/mayankkumarpoddar/smartprix-mobiles-dataset"
+    "https://www.kaggle.com/datasets/mayankkumarpoddar/smartprix-mobiles-dataset",
+    "https://en.wikipedia.org/wiki/HMD_Key"
   ],
   "base_model_slug": "key",
   "variant": {

data/smartphone/microsoft/2014/lumia-535/microsoft-lumia-535-1gb-8gb-3g.json

@@ -9,7 +9,8 @@
   "os": "Microsoft Windows Phone 8.1, upgradable to Microsoft Windows 10",
   "verified": false,
   "source_urls": [
-    "https://www.kaggle.com/datasets/jakubkhalponiak/phones-2024"
+    "https://www.kaggle.com/datasets/jakubkhalponiak/phones-2024",
+    "https://en.wikipedia.org/wiki/Microsoft_Lumia_535"
   ],
   "base_model_slug": "lumia-535",
   "variant": {

data/smartphone/microsoft/2015/lumia-435.json

@@ -10,7 +10,8 @@
   "os": "Windows Mobile",
   "verified": false,
   "source_urls": [
-    "https://www.kaggle.com/datasets/msainani/gsmarena-mobile-devices"
+    "https://www.kaggle.com/datasets/msainani/gsmarena-mobile-devices",
+    "https://en.wikipedia.org/wiki/Microsoft_Lumia_435"
   ],
   "storage_options_gb": [
     1,

data/smartphone/sony-ericsson/2003/t610.json

@@ -10,7 +10,8 @@
   "os": "Feature phone",
   "verified": false,
   "source_urls": [
-    "https://www.kaggle.com/datasets/msainani/gsmarena-mobile-devices"
+    "https://www.kaggle.com/datasets/msainani/gsmarena-mobile-devices",
+    "https://en.wikipedia.org/wiki/Sony_Ericsson_T610"
   ],
   "display": {
     "size_inch": 1.8,