If the "prepare a feature" message persists, the system partition might be corrupted. This usually requires using specialized tools like the Nokia Flash Tool or to re-install the official firmware. If you'd like, let me know: Is your phone currently connected to a PC ?
After a factory reset, Android requires the previous Google account credentials. Many third-party "loader tools" claim to bypass this lock on the Nokia 1.4 via a test point or software exploit. nokia 1.4 loader
Because these are proprietary files, they are typically found in specialized repositories or community forums: If the "prepare a feature" message persists, the