Step 1: Go to the Settings app on your iPhone.
Step 2: Scroll down and tap on “Wi-Fi.”
Step 3: Find the Wi-Fi network to which your iPhone is connected and tap on the blue “i” next to the name.
Step 4: Under the “Network” section, you will see the speed of the Wi-Fi connection labeled as “Tx Rate” for transmitting speed and “Rx Rate” for receiving speed.
Step 5: To test the bandwidth of the Wi-Fi connection, you’ll need to download a third-party app. One of the best apps for this is the “Ookla Speedtest” app, which is available for free in the App Store.
Step 6: Once you’ve downloaded the app, open it, and tap on “GO” to start the speed test. The app will measure your download and upload speeds and provide you with the results.
Step 7: Compare the results of the speed test to the “Tx Rate” and “Rx Rate” listed in the Wi-Fi network settings. If the speed test results are significantly lower than the rates listed in the network settings, it’s possible that there is an issue with the Wi-Fi network, or the internet service provider.
There are a few other tips to improve Wi-Fi performance on your iPhone:
1. Move closer to the router: If you’re experiencing slow internet speeds, it’s possible that you’re too far away from the router. Move closer to the router to see if the connection improves.
2. Restart your router: Sometimes, a simple router restart can help improve Wi-Fi performance.
3. Reduce interference: Other electronic devices, such as cordless phones and microwaves, can interfere with Wi-Fi signals. Try to reduce interference by moving these devices away from the router.
4. Update firmware: Make sure that your router’s firmware is up-to-date. This can help improve the Wi-Fi connection.
In conclusion, checking the bandwidth of the Wi-Fi connection to which your iPhone is connected is an important step in troubleshooting slow internet speeds. By following these steps, you can get a better understanding of the Wi-Fi performance and take steps to improve it.