A. 1. Check the app settings to see if there is an option to save images in original size. Some apps have this feature hidden in the settings menu. 2. If the app does not support saving in original size, consider using a different app for editing that allows this feature. 3. Use the export feature to save images in the highest resolution available.

B. 4. If you need to maintain original size, consider using the app for specific edits and then transferring the image to another app for final adjustments. 5. Keep a backup of the original image before editing to ensure you have the full-size version.