Note that it may take a while before Google Photos finish getting your pictures from the cloud. Also, Photos may have a hard time synchronizing your photos, but everything will get back to normal after resetting the Photos app. Sometimes, the accumulated cache and data may corrupt, which causes the Photos app to misbehave. The first thing we recommend you should do to fix Google Photos not showing all photos on Android is to erase the app cache and data. Clear the Cache and Data in your Google Photos App Whether Google Photos is not showing your uploaded photos, device folders, photos on an SD card, or all albums, the solutions below will help you.
In whichever way Google Photos are not showing on your Android device, we've compiled a series of working solutions for each category. How To Fix Google Photos Not Showing All Device Photos
How To Fix Google Photos Not Showing All Photos On Sd Card