Android network monitors often display inaccurate speed measurements when using VPNs. This occurs because the monitor may sum up speeds across all network interfaces, including the VPN tunnel, instead of focusing solely on the active internet connection. Consequently, users may see speeds 2-3 times higher than the actual network throughput.

This issue is particularly noticeable when utilizing ad blockers like AdGuard, which create an always-on local VPN for ad filtering. Additionally, third-party VPN apps like ProtonVPN can lead to similar discrepancies in speed readings.

If you're experiencing inaccurate speed measurements on your Android device, it's likely due to the inclusion of VPN interface speeds in the overall calculation.

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