Wi-Fi woes and data bills

The questions

1. Question 1 of 6On iOS 27 this switch sits at the bottom of the Wi-Fi page. What does it do when it is on?

   

   • Speeds up the router
   • Uses mobile data in addition to Wi-Fi for a more reliable connection
   • Shares your Wi-Fi password
   • Turns Wi-Fi off at night

   Show answer

   Answer: Uses mobile data in addition to Wi-Fi for a more reliable connection

   Connectivity Assist uses mobile data in addition to Wi-Fi when the Wi-Fi is slow, which can cost data. It replaced Wi-Fi Assist, which used to be under Mobile Data (Apple).

   Source: Apple Support: About Connectivity Assist

   Turn off Connectivity Assist on an iPhone

2. Question 2 of 6The Pixel's version of the same idea is called…

   • Auto-switch to mobile network
   • Wi-Fi Boost
   • Turbo Data
   • Smart Hotspot

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   Answer: Auto-switch to mobile network

   Settings, Network and Internet, Adaptive connectivity, Auto-switch to mobile network. Its note on our Pixel reads: ensures connectivity when Wi-Fi is poor or unavailable; data charges may apply.

   Source: Pixel Phone Help: Control aeroplane mode, private DNS and other network settings

   Stop a Pixel switching to mobile data

3. Question 3 of 6Your iPhone's Private Wi-Fi Address offers three choices in iOS 27. Which one changes the address over time?

   • Off
   • Fixed
   • Rotating

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   Answer: Rotating

   Rotating changes the address over time; Fixed keeps one private address per network; Off uses the real address for networks that need it. Ours was set to Fixed.

   Source: Apple iPhone User Guide: Use a private network address on iPhone

   Change the private Wi-Fi address on an iPhone

4. Question 4 of 6Sharing Wi-Fi from a Pixel shows a QR code. What else is on that screen?

   • Nothing else
   • The password in plain text
   • Your phone number
   • Your location

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   Answer: The password in plain text

   Under the code it says Wi-Fi password: and then the password in plain text, so only open it when you mean to share it. 9to5Google says QR sharing came with Android 10.

   Source: Google Android Help: Connect to Wi-Fi networks on your Android device; 9to5Google: How to share your Wi-Fi password in seconds on Android

   Share a Wi-Fi password on a Pixel

5. Question 5 of 6A device you don't know is on your Galaxy hotspot. What helps most?

   

   • Restart the phone
   • Change the hotspot password
   • Turn on dark mode
   • Delete your contacts

   Show answer

   Answer: Change the hotspot password

   Change the hotspot password so only people you give it to can join. Samsung says you view and change it on the Mobile Hotspot page.

   Source: Samsung US: Use a mobile hotspot on your Galaxy phone or tablet

   See who is on your Galaxy hotspot

6. Question 6 of 6Wi-Fi Calling on a Galaxy: when does the switch show up?

   • Always
   • Only if your carrier supports it on your plan
   • Only abroad
   • Only on tablets

   Show answer

   Answer: Only if your carrier supports it on your plan

   Open the Phone app, the three dots, Settings, Wi-Fi Calling. The switch only appears if your carrier supports Wi-Fi Calling on your plan (Samsung).

   Source: Samsung UK: How to activate Wi-Fi Calling on a Galaxy smartphone

   Turn on Wi-Fi Calling on a Galaxy