She had tried to transfer it. The file was encrypted. WhatsApp’s backup system had changed three times since 2018. The old backups on Google Drive were inaccessible. The phone couldn’t update. The new phones couldn’t read the old database.

📌 Siempre descarga archivos de sitios oficiales o verificados. Evita páginas que prometan "WhatsApp Gold", "WhatsApp Plus" o versiones modificadas, pues suelen ser malware.

Ve a Ajustes → Acerca del teléfono → Actualizaciones del sistema . Si tu fabricante lanzó Android 5.0 para tu modelo, te aparecerá.