As mentioned above, the main cause of your photos not loading in your Photos app could be because the optimize storage feature is enabled. When you have turned on the optimize storage feature in your device, then all of your files, including your photos, are directly saved on iCloud.
Why won’t my iPhone load my photos?
Check your internet connection that which plan do you have or try to see your pictures from local storage. You can change this setting by entering Settings > Photos and Camera and choose ‘Download and Keep Originals’ rather than ‘Optimize iPhone Storage’.
Why are my photos not loading on my phone?
In the browser, navigate to Menu > More > Settings. In Settings, make sure both Load images and Enable JavaScript are checked. If the option is available, tap Set cache size, and increase the cache size. Check that you have stable a data or Wi-Fi connection.
Why are iCloud photos not loading?
Reset your device
Check that all your connections are good and try restarting or resetting your device. iCloud photo downloads require a stable network connection, so make sure you have a good WiFi signal. Sign out and sign in to iCloud to refresh, then try to download again.
