You can ask any of your friends who *might* have a backup of the app in its older version. Now, all you do is simply Sync your iPhone with iTunes.Find the app whose older version you want to install and drag-n-drop it on the iPhone section in the sidebar.(or basically, all apps that you installed and synced) This shows the apps that are available in the last backup. In iTunes, click on the “Apps” link from the sidebar.Now, delete the buggy app from your iPhone.Connect your iPhone and stop any syncing process that fires automatically.What if the new version of the app is compatible with your device but, you still want to use the older version? Once it’s done, launch the app, sign in to it and start using it just like before. Then, let the download process be completed. You need to tap on Download the prompt to confirm. Now, you will get a popup that would read something like, “Facebook requires iOS 8, or later You can still download the older version of the app.” Once you have found the app, go ahead and install it as usual. Now, search the app you wish to re-install. Hence, you can download the app even if it doesn’t support that iOS version. For instance, Facebook had the support of iOS 7. Note: This simple trick will work with only those apps that were once compatible with the iOS version running on your device. How to Re-install Older Version of iPhone or iPad Apps We shall update the post as soon as we find the solution. UPDATE: The method is not working for now. Hence, not too many folks would be aware of this important feature. Albeit the process is slightly under the wraps. Unlike before, installing an older version of an iOS app is pretty simple. How would you re-install the older version of the app on your iPhone or iPad? Unfortunately, it no longer supports the iOS version running on your device. One of your favorite apps was recently updated with all new features.

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