LONGSHOT / BACK TAP
Stitch iPhone screenshots with Back Tap
Add the LongShot shortcut, then manually assign it in Settings to stitch overlapping screenshots with Back Tap. Adding the shortcut alone does not assign the gesture.
01 / Add
Add the shortcut to your iPhone
Open LongShot first and complete Photos access setup. Your installed version must support stitching recent screenshots from Shortcuts. If an action is unavailable, check your app version.
Requirements: iPhone 8 or later, iOS 16 or later, and a LongShot version that supports this shortcut action. Apple provides Back Tap from iOS 14; LongShot itself requires iOS 16 or later.
Tap Add Shortcut in Shortcuts. Once added, switch back to this guide and continue with step two.
See the App guide screenshot

02 / Assign
Assign it to Back Tap
Open Settings on your iPhone and follow the steps below. Neither this website nor LongShot can change this system setting for you.
- Open the setting
Settings → Accessibility → Touch → Back Tap
- Choose a gesture
Choose Double Tap or Triple Tap.
- Scroll down to Shortcuts
Select the saved shortcut “检查最近截图”, or your new name if you renamed it. Look for the shortcut name, not just the LongShot app name.
- Go back to confirm
Return one level and check that the shortcut name appears beside the gesture. Then switch back to this guide.
See the App guide screenshot

03 / Try
Try it with two screenshots
Take two consecutive screenshots with overlapping content. Tap the back of your iPhone using the gesture you chose. After a successful stitch, look in Photos for the saved long image.
You can enable result notifications on the third screen of the LongShot guide later. They are optional. No notification does not necessarily mean nothing ran; check Photos first.
My shortcut is missing from the list
Open Shortcuts, confirm it was added, and check its exact name. Reopen the Back Tap action list and scroll down to the Shortcuts section. Seeing LongShot under App Shortcuts alone does not mean you added this shared shortcut.
It is assigned, but no long image appears
Run it directly in Shortcuts once and follow any message. This performs a real stitch and may save an image. If it reports no overlap, no remaining allowance, or asks you to open the app, handle that in LongShot. Only after a direct run creates a long image should you check the Back Tap assignment and gesture again.
Back Tap or the LongShot action is unavailable
Use a physical iPhone that supports Back Tap and check your iOS version. If the LongShot action is unavailable, check your installed app version rather than repeatedly adding the shortcut. You can still take overlapping screenshots and open LongShot to use the original preview flow.
See the App guide screenshot
