Move the downloaded package to the root directory of your phone's internal storage or an SD card without extracting/decompressing it.
Without external tools, use the OSD menu: pd1930am firmware
Choose Install software , select the storage (Phone or SD card) where the firmware is saved, and select the package to start flashing. Important Precautions vivo Y11-5000mAh Battery, HD+ Display-Specs Move the downloaded package to the root directory