PDF reference sheet for the Nokia 3.1 Plus smartphone showing input and output voltages on the board. It is handy when diagnosing charging, boot or power faults, since you can measure rails at the marked points and compare readings with the expected values. Open it in any PDF reader. Readings depend on the device state, so note whether figures were taken with the battery connected, while charging or during boot, and confirm the board version matches.
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 @schematic_mobile5. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.
Any PDF readerSumatraPDFFirefox / ChromeFlexBV (links PDF to boardview)