code: @Deprecated
  	public DfuServiceInitiator setInitFile(@Nullable final Uri initFileUri, @Nullable final String initFilePath) {
  		return init(initFileUri, initFilePath, 0);
  	}
docs: Sets the URI or path to the Init file. The init file for DFU Bootloader version pre-0.5
  (SDK 4.3, 6.0, 6.1) contains only the CRC-16 of the firmware. Bootloader version 0.5 or newer
  requires the Extended Init Packet. If the URI and path are not null the URI will be used.
  
  @param initFileUri  the URI of the init file
  @param initFilePath the path of the init file
  @return the builder