Look for file names containing "Vivo 1907 schematic," "PD1907 circuit diagram," or "Vivo U10 PCB layout." Avoid files smaller than 1MB (they are likely low-res). A complete schematic is usually 5MB–20MB.
The Vivo U10 (Model numbers: , 1915 , or 1917 depending on region) shares hardware similarities with other budget Vivo models. A schematic diagram is essential for hardware-level repairs (short circuits, dead boot, charging issues), while a schematic is the roadmap for the motherboard. vivo u10 schematic diagram download better