Symphony Z15 Flash File Firmware Official Sharing Site
Brand: Symphony
Chipset : SPD
Android OS: 9.0
File Size: 10MB
Software Download Link : https://www.mediafire.com/file/fartwg8fy5a98lf/Symphony_Z15_Frp_Reset_File_13MB_Only_Without_Box_Android_9.0.7z/file
Instruction Installing Software :
1. Install driver (Auto Driver Installer for win 7 and windows 8 driver is VCOM)
2. Open Flash Tool.
3. Open scatter_loading and select scatter file (From Firmware Folders)
4. Click Firmware Upgrade then select Download and then connect USB cable with mobile (mobile must be off)
5. Then start downloading/flashing firmware
6. When it shows Download Ok, it means the installation/flashing firmware is completed.