Launch LDOE offline (turn on Airplane mode). The game cannot contact the server to validate the checksum, so it loads the local files. Play for 2 minutes, then reconnect. The server is forced to accept your local save as truth.
Result: Your data file download (from yourself) works perfectly.
On Android, LDoE saves are found in:
/Android/data/zombie.survival.craft.z/files/ last day on earth save data file download work
The two critical files are:
When you perform a "last day on earth save data file download work" search, you are looking for a zipped copy of these folders, uploaded by other players or extracted from your own device. Launch LDOE offline (turn on Airplane mode)
While downloading external save files may seem like a shortcut to survival, it introduces significant risks:
Developers implement safeguards to prevent this form of "downloading" progress: On Android, LDoE saves are found in: /Android/data/zombie
There is one niche method that sometimes functions, but only on Android and with root access:
Why this is not recommended: