Circuit diagram package for the Xiaomi Redmi 1S smartphone, a 6.07 MB ZIP archive placed in the firmware section of the index. The file name mentions the model and schematic only, without revision or board code details. Technicians rely on such diagrams when a phone will not power on, charge or show an image, tracing rails from the power management chip and identifying passive parts, coils and connectors along each net. Unpack it, view the pages in a PDF reader and confirm the board marking on the device matches before measuring.
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 @esquematicosparatodos. Enginerys does not host this file.
How to open a .zip file
Compressed archive that every operating system opens without extra software.
Back up your own chip before writing any dump, and match the full board number and revision. Flashing guide →