Software archive of about 9.67 MB named ChimeraTool Pro, a phone-servicing utility. The name gives no version number or further details about the contents. Chimera Tool is typically used by mobile repair technicians for tasks such as firmware flashing, IMEI and network repair and unlocking on supported Android devices, and it normally requires a valid licence to operate. Scan the archive with antivirus software before running it, and keep backups of device data before any write operation.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @free_bios_support. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.