Screenshots do not stitch
Use screenshots of the same width and height, in scrolling order, with a clear overlapping area. Animated content, fixed overlays, repeated patterns, and missing overlap may prevent a match. Open the group to check the originals; you can hide it and select another group.
Photos access
Allow Photos access for automatic screenshot discovery. With limited access, only allowed photos are available. You can also select screenshots manually. Change access in iPhone Settings → Apps → LongStitch → Photos.
Viewing and sharing
Swipe left or right between groups. Tap an image or swipe up to inspect it. In the expanded view, scroll to read, pinch to zoom, and tap or pull down at the top to return. Use the share control when the group is ready.
Deleting originals
Deleting original screenshots uses Apple Photos confirmation and affects the selected group. A finished image remains available. Hidden groups offer a brief Undo; deleting Photos originals is a separate action. Apple Photos may offer recovery in Recently Deleted.
Contact
For help, email yongboxia@icloud.com. Include your iOS version, LongStitch version and what happened. Only attach screenshots you are comfortable sharing; remove personal information first.