: Older models like the iPhone 6 or iPhone 5s cannot update past iOS 12.5.7, meaning they can no longer download the latest version of the app.
If you are seeing an error message like "Unable to Download App" or the icon stays grayed out on your home screen, it is usually due to a lack of storage, an outdated version of iOS , or a temporary glitch with the App Store . 1. Check Software Compatibility i can't download messenger on my iphone
: Messenger currently requires iOS 15.1 or later. : Older models like the iPhone 6 or
Apps cannot install if your phone is nearly full or if your internet is unstable. Operating systems that support the Messenger app - Facebook : If your device is older, you can
The most common reason for a failed download on older iPhones is an incompatible operating system.
: If your device is older, you can still access your chats through Messenger.com in your Safari browser. 2. Verify Storage and Connection