The Wi-Fi Connection Conundrum: When One Device Disrupts Everything

In households where multiple devices connect to the internet, it’s not uncommon to encounter connectivity issues. However, one user’s experience with their sister’s iPhone has raised a curious question: why does her connection cause such a significant drop in internet performance?

Whenever my sister connects her iPhone to the Wi-Fi, our overall internet quality takes a plunge. My ping skyrockets from a manageable 17 milliseconds to a frustratingly slow four-digit figure. Basic tasks, such as loading Instagram posts, become nearly impossible, while other devices, including three Android phones, seem unaffected by this connectivity chaos.

This has led me to suspect that her iCloud might be the culprit, continuously uploading data and consuming bandwidth. However, I can’t help but wonder: how much data could she possibly have that requires constant uploads? It just doesn’t add up.

I’ve inquired with her about her internet usage, and she reassures me that she doesn’t engage in any heavy data activities. The mystery continues!

If anyone has insights or solutions on how to resolve this issue, your advice would be greatly appreciated. It would be wonderful to find a way to maintain a stable connection without the disruption caused by a single device.


Feel free to share your thoughts or similar experiences in the comments below!

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One Comment

  1. Response to Connectivity Issues

    Hi there! It sounds like you’re facing a frustrating situation. This type of problem commonly arises from a few potential issues. Here are some steps you can take to isolate and potentially resolve the connectivity drop when your sister connects her iPhone:

    1. Check Wi-Fi Bandwidth Usage: Use a network monitoring tool or app to see which devices are consuming the most bandwidth. There are several options available, such as Wireshark or Fing.
    2. iCloud and Background Activity: As you suspected, her iCloud could be performing backups or syncing data. Check if ‘iCloud Drive’, ‘Photos’, or ‘iTunes’ backups are set to run automatically when connected to Wi-Fi. Disabling these features or scheduling them for off-peak times might help.
    3. Wi-Fi Configuration: Ensure your router’s firmware is up to date. Sometimes older firmware can result in connectivity issues. Also, consider splitting your Wi-Fi into 2.4 GHz and 5 GHz bands (if supported) and connecting devices accordingly. Some iPhones work better on one band than the other.
    4. Quality of Service (QoS

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