For instance, no emails or messages (like Whatsapp or iMessage) are being pushed to my device, or when I try to search something on the mobile browser, it shows that there is no Internet. One thing I noticed is that when I do a search on a mobile browser, it seems to load for a long time (more than 10 seconds), only to return a 'No Internet

Check that (a) the Wi-Fi slider is in the 'on' (green) position and (b) that you are connected to a network local to you that you recognise, and that has good connectivity. You shouldn't connect Internet Not Working on iPhone XS Max/XS/XR/X/8/8 Plus/7/6 3G/4G or LTE or WiFi is not working on iPhone: Cellular Data Problem. Solution #1. Verify Whether the Data Connection is on or not. Solution #2. Reset Cellular Data on iPhone. Data Roaming. Solution #3. Cellular Deadspots in your Region. Solution #4. Top 5 iPhone WIFI Not Working Problems and How To Fix Them Jul 17, 2020 [SOLVED] Why isn't my WiFi working on my iPhone - EdgeWise

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