Apple has released a new tool that will allow developers to prioritize 5G connectivity over WiFi when testing their apps with iOS 15.

Apple announced that iOS 15 will favor 5G over slow WiFi connections on compatible devices and this tool is to help developers test that system.

At the time of writing the iPhone 12 lineup and latest 2021 iPad Pro are the only devices that will support this feature.

Apple released the tool following the arrival of iOS 15 beta 5, giving developers the chance to test how their apps will behave with the new feature enabled.

5G devices running iOS 15 and iPadOS 15 can automatically prioritize connecting via 5G instead of WiFi when the performance of WiFi networks you visit occasionally is slow, or when you are connected to captive or insecure WiFi networks. Install the 5G Preferred Over Wi-Fi profile (“profile”) on devices running iOS 15 and iPadOS 15 Beta 4 or greater to greatly increase the likelihood of seeing 5G preferred over Wi-Fi connections and to ensure your networking path logic is optimized for situations where 5G will be preferred.

The new tool can be downloaded from the Apple Developer website right now via a configuration profile. The process is similar to that developers follow when installing iOS betas and iOS 15 beta 5 will need to be installed for it to work.

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