Photo Rejected

If you are new to stock, you should consider these resources: https://helpx.adobe.com/stock/contributor/tutorials.html
Please read the contributor user manual for more information on Adobe stock contributions: https://helpx.adobe.com/stock/contributor/user-guide.html
See here for rejection reasons: https://helpx.adobe.com/stock/contributor/help/reasons-for-content-rejection.html
and especially quality and technical issues: https://helpx.adobe.com/stock/contributor/help/quality-and-technical-issues.html

Hello, you'll need to post your example here so it can be looked at and advice given.

Photos from a smartphone need to meet the quality standards. Often, photos taken with a smartphone fail the quality standards as they tend not to enlarge very well. Especially as generally they are saved as JPEG files and therefore suffer from compression artifacts. (Noticeable when enlarged.)

Have a read of this. It's a brief guide on image quality:
https://helpx.adobe.com/stock/contributor/help/quality-and-technical-issues.html