This community-driven forum is where many technicians first found reliable documentation for the Vivo Y93. The forum contains a dedicated, solved thread where a user explicitly shared a link to a that were exactly what others had been searching for. The files come in two common formats: PDF for schematics and FZ for boardview files, which can be opened with specialized software like OpenBoardView for interactive PCB navigation.
Locate the battery connector ( J_BATT ) on the layout. Measure the voltage. It must read between 3.7V and 4.2V.