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Android battery optimization
Section titled “Android battery optimization”Some Android vendors aggressively stop background apps. If playback stops randomly, you may need to adjust battery optimization settings manually.
See the following site for vendor-specific instructions.
These battery settings can also cause missing images, because some optimizers delete the app cache while Symfonium is running. This is especially common on Huawei devices.
Persistent image cache
Section titled “Persistent image cache”Symfonium offers a setting, Persistent image cache (Settings - Offline, Cache and Download), to reduce thumbnail issues in most cases.
Related pages
Section titled “Related pages”Offline, Cache and DownloadConfigure Symfonium offline, cache and download settings, including the available options and related behavior for this part of the app.