When the Nokia 1.4 (which runs on a Qualcomm QM215 Snapdragon 215) enters (9008), the processor stops executing code from the NAND flash memory. The Firehose Loader is sent via the USB interface to the CPU’s internal RAM. Once loaded, it acts as a bridge, giving you direct read/write access to raw partitions like boot , system , persist , and userdata .
Nokia 1.4’s Firehose loader contains : Nokia 1.4 Firehose Loader
Flashing stock firmware when the bootloader or OS is corrupted. When the Nokia 1
Replace your USB data cable with a shorter, high-shielded cable. Ensure that all background processes using virtual COM ports are shut down on your computer. Conclusion it acts as a bridge
Unbricking and Flashing the Nokia 1.4: A Deep Dive into the Firehose Loader