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Common problemCapital OneMobile app

Capital One mobile deposit rejected

Check photo unreadable or not endorsed

Capital One may ask you to deposit again if it can't read the check, the corners are cut off, the photo is too light or dark, or the back is not endorsed.

Is Capital One down right now? Partial outage: 52 problem reports in the last hour. Many people are having trouble, so this problem may come from Capital One's side: waiting can be enough.
Fix it

How to fix it

  1. Sign the back and write for Capital One mobile deposit before you take the photos.

  2. Hold the phone flat above the check so it is in focus and not too small.

  3. Flatten any wrinkles and put the check on a dark, non-reflective surface in good light.

  4. Submit the deposit again.

  5. Call 1-877-442-3764 if it keeps failing.

From Capital One's help pages: capitalone.com, in our words. Checked on 5 November 2026. If the steps do not help, Capital One's own support is the next stop.

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