iOS 15

How to check what cellular band your iPhone is using

If you live in the middle of nowhere, then buying a cellular signal booster might be in the back of your mind. In many cases, these can improve your cellular reception by using a larger antenna to capture a distant signal and rebroadcasting it closer your iPhone. However, it’s important to get one that’s compatible with the cellular bands your carrier uses.

Apple stops signing iOS 15.3.1, ending ordinary downgrades from newer iOS 15.4

Downgrade iOS 15

Following a rigorous beta period, Apple unleashed its iOS & iPadOS 15.4 software updates for iPhone and iPad last Monday with huge upgrades, such as being able to unlock an iPhone with Face ID while wearing a mask and support for Universal Control, among other things. As we come up on a full week after the release, it’s unsurprising to see that Apple has now stopped signing the previous release: iOS & iPadOS 15.3.1.