In the Lumia modding community, the phrase "emergency files" typically refers to the files used when a phone is stuck in a "QDLOAD 9008" mode (a Qualcomm emergency boot mode) or simply needs a complete factory reset via cable.
If your Lumia 650 is still responsive:
Bypass Boot Errors: They can resolve critical "QHSUSB_BULK" or "Qualcomm HS-USB QDLoader 9008" errors seen in Device Manager. i lumia 650 emergency files better
Interop Tools to block OTA updates.gpt_backup.bin on your cloud drive.MPRG8909_fh.hex in a folder named Lumia650_Resurrection. Do not rename it.WPInternals abstracts the complexity. To use emergency files here: In the Lumia modding community, the phrase "emergency