To get started, open the Files app.

Then open iCloud or "On my iPhone".

Now click on the 3 dot at top right corner.

Click on the "scan Document".

After doing these steps the camera opens and capture automatically.

If you find anyting wrong about documents, you can "Retake" from here.

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By Sourav

Once the photo is taken, you can correct the scan, then press Keep Scan.