Once you have the working PDF, here is how to use it to fix the phone.
If you have a display but no backlight, or no display at all: oppo a15 schematic diagram pdf fixed
After testing 20+ files from various GSM forums (GSMHosting, EasyFirmware, Chinaphonefix), we have compiled the characteristics of a truly fixed schematic. Once you have the working PDF, here is
If you have downloaded a free OPPO A15 schematic from generic forums, you have likely encountered these three issues. Here is how the fixed version resolves them. After testing 20+ files from various GSM forums