Here you can download ZTL mobile firmware.
| Mobile Name | Version | File Size | Download Link |
| ZTL Alpha | Download Here | ||
| ZTL Rigel | Download Here | ||
| ZTL Ross | Download Here | ||
| ZTL Sirius | Download Here | ||
| ZTL Sirius II | Download Here | ||
| ZTL Spica | Download Here | ||
| ZTL Vega | Download Here |