NewFlasher is a free, community-developed Windows command-line tool designed to flash raw firmware files ( .sin , .ta , .elf ) onto Sony Xperia devices. Unlike Sony’s official Emma or Xperia Companion, NewFlasher gives you complete control — no restrictions, no account login, and no forced updates.
| Feature | NewFlasher v15 | NewFlasher v20 New | | :--- | :--- | :--- | | Android 14 support | No (bootloop) | Yes | | Dynamic partition flash (super.img) | Partial | Full | | Windows 11 ARM64 compatibility | No | Yes | | macOS M1/M2 (Wine 7+) | Unstable | Stable | | Auto-backup of DRM keys | No | Experimental | | Speed (flashing 4GB firmware) | ~4 minutes | ~2.5 minutes |
| Feature | | Sony Xperia Companion (Official Tool) | | :--- | :--- | :--- | | Purpose | Flashing custom/stock firmwares, downgrading, bootloader management. | Official device repair tool. | | Bootloader Support | Works on locked and unlocked devices. | Works only on locked devices. | | Flexibility | High. Allows flashing individual partitions. | Low. Only performs official software repair. | | User Interface | Command-line (CMD/Terminal). | Graphical User Interface (GUI). | download newflasher v20 new
Ensure your Xperia device has at least 50% battery.
Download and install the official Sony Xperia Companion software or the standalone Flashmode drivers (Gordon Gate drivers) to ensure your PC recognizes the phone. | Official device repair tool
If you do not want to wipe your phone, delete the userdata_X.sin file from the folder. (Note: Upgrading firmware without wiping is generally safe, but downgrading requires a data wipe to avoid bootloops).
- Your PC is not recognizing the phone. Reinstall Sony USB drivers. | | Flexibility | High
Newflasher v20 remains a rock-solid, dependable tool for flashing firmware on modern Sony Xperia devices. Its support for and comprehensive command-line control made it a staple in the XDA community at the time of its release and ensures it can still handle core flashing tasks today.