iTunes Error 11503?

Other Solutions

Here are some other solutions you can try:

1 Select Individual App to Update

iTunes Error 11503 may occur when you try to update all apps with a single click via the option ‘Update All Apps’. So to prevent this error from occurring, you can simply choose individuals apps one-by-one in order to update. This may take relatively more time, but in this way you won’t encounter the error 11503.

2 Clear the Cache of Apps

Clearing the cache of apps on your iDevice sometimes helps solve iTunes error 11503. This is because cached files sometimes delay the app download or update process which leads to this error. So you simply need to clear the app cache to get rid of the problem for good.

Follow these instructions:

Step 1: Open Settings app on your iDevice.

Step 2: Navigate to General > Storage & iCloud Usage > Manage Storage > Documents and Data.

Step 3: Now choose an app that you are trying to update via iTunes, select all the unwanted items shown on the left side of the screen and then tap Delete.

Step 4: Click Edit > Delete All in order to clear app’s data.Gihosoft iPhone Data Recovery is a professional iPhone Data Recovery software to get back all your lost text message, photo, video, call history, note, contact and more from iPhone/iPad/iPod Touch. It offers a full solution to recover your lost data in different tough situations. Besides recovering data directly from iPhone, iPad and iPod touch, it also allows you to recover data from iCloud and iTunes backup files.

3 Delete and Re-Download Apps within iTunes

You can also fix iTunes error 11503 by deleting and re-downloading the apps (that give this error) from your App Library.

Follow these instructions:

Step 1: Open iTunes and navigate to the App Library.

Step 2: Right-click on the app that gives error 11503 and then click ‘Delete from Library’ option. Click Move to Trash to confirm your action. Alternatively, you can also delete apps from your iTunes Library by navigating to Mobile Applications folder located in iTunes folder on your computer’s hard drive and delete the. ipa files.

Step 3: Once the app is deleted, re-download it via iTunes. The problem should be fixed now and you won’t encounter error 11503 when updating the re-downloaded app.