Better tablet detection:

- Fix lenovo phone / tablet detection

src/ua-parser.js

@@ -448,7 +448,7 @@
 
             // Lenovo
             /(ideatab[\w\-\s]+)/i,
-            /lenovo\s?(s(?:5000|6000)(?:[\w-]+)|tab(?:[\s\w]+)|[\w-]+)/i        // Lenovo tablets
+            /lenovo\s?(s(?:5000|6000)(?:[\w-]+)|tab(?:[\s\w]+)|yt[\d\w-]{6}|tb[\d\w-]{6})/i        // Lenovo tablets
             ], [MODEL, [VENDOR, 'Lenovo'], [TYPE, TABLET]], [
 
             // Nokia

test/device-test.json

@@ -250,6 +250,15 @@
             "type": "tablet"
         }
     },
+  {
+        "desc": "Lenovo Phone",
+        "ua": "Mozilla/5.0 (Linux; Android 6.0; Lenovo PB2-650M Build/MRA58K; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/89.0.4389.105 Mobile Safari/537.36 [FB_IAB/FB4A;FBAV/311.0.0.44.117;]",
+        "expect": {
+            "vendor": "Lenovo",
+            "model": "PB2-650M",
+            "type": "mobile"
+        }
+    },
     {
         "desc": "Lenovo Tab 3 Pro",
         "ua": "Mozilla/5.0 (Linux; Android 6.0.1; Lenovo YT3-X90F) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.99 Safari/537.36",