Download application interruption showing error, when app data packet started but stop in-between for any reasons from server. Reasons behind message: Unable to download application error, given below and solutions for that also. Don’t be let down, you can surely fix own yourself, Read all the reasons and Go through any of, from where you trust from all other reasons.
Steps on fix Unable to download application error on iPhone iPad: iOS 9, 8
Low Server response time: Due to billions of download request, Server may be down. This happen mostly on popular app update. If you notice message also says that please try again later. (Server maintenance due to technical reason also possible)
Wrong date setting: Reset or update date and time, after verify it’s correctly or not. Please go to the Setting > General > Date and Time > Set Automatically (Enable Toggle). This will auto select current location.
Sign Out/ Sign IN App Store: Your login session not verified for download app from app store. For reset or generate new one please sign out (Settings > iTunes & App Stores > Sign Out) old one re-login with Apple ID and Password.
Interrupting other service or app in background: Close all application using multitasking screen, Still getting error – Restart iPhone (Press Sleep/ Wake button until you see slide to power off or Force Restart by Press Sleep/ Wake + Home button until you see apple logo on screen)
Above are possible fixes on Unable to download application error on iPhone, iPad App store. You have a suggestions on this, share with your friends on comment box. Thanks!