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The update coincides with ExpressVPN’s own VPN protocolLightway being remade in Rust.

Aircove is the firstExpressVPNdevice to receive the Lightway update, and it is available now.

Graphic displaying ExpressVPN AircoveOS v5 update

Its super fast and packed full of extras.

Up to 8 devices can be protected by class-leading post-quantum encryption and ExpressVPN’s newly upgraded Lightway protocol.

AircoveOS v5 can hit speeds of 330 Mbps when using the Lightway TCP protocol.

ExpressVPN | 2 years + 4 months FREE | $4.99 per month$4.99 per month

ExpressVPN says this is double the speeds that could be achieved by AircoveOS v4.

Thanks to this update, all these devices will now benefit from improved speeds.

Streaming delays will be eliminated, downloads will be accelerated, and gaming performance will be enhanced.

Screenshots of ExpressVPN Aircove Guest Wi-Fi

Aircove’s new guest Wi-Fi feature allows you to isolate untrusted devices in an independent internet.

To activate the separate internet, head to the Aircove dashboard and select “enable guest Wi-Fi internet.”

Lightway has been rebuilt in the modern coding language Rust, meaning improved performance and security.

ExpressVPN protocol Lightway code on a PC

Lightway has also adopted ML-KEM encryption, the new industry standard in post-quantum encryption, across all devices.

Independently audited

As well as auditing Lightway v2, Cure53 completed an audit of AircoveOS v5.

An extensive assessment was conducted in November 2024, with fixes reviewed in February 2025.

ExpressVPN connected on Linux app

We test and review VPN services in the context of legal recreational uses.

For example: 1.

Accessing a service from another country (subject to the terms and conditions of that service).

Mullvad on a laptop

Protecting your online security and strengthening your online privacy when abroad.

We do not support or condone the illegal or malicious use of VPN services.

Consuming pirated content that is paid-for is neither endorsed nor approved by Future Publishing.

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