The most reliable method for preserving progress is not manual file manipulation, but utilizing integrated cloud services. Connecting an account to Google Play or Game Center remains the "shortest way" to save progress securely. For those requiring manual backups, detailed guides on Scribd suggest combining Android’s native backup features with external file storage for maximum redundancy.
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Save Data Last Day On Earth Survival | PDF | Backup - Scribd The most reliable method for preserving progress is