(If exact error text differs, match keywords above to troubleshoot.)
The typically occurs when using SP Flash Tool (v6+) or MTK Bypass tools on MediaTek (MTK) devices. It signifies a communication handshake failure between the PC and the device's Boot ROM (BROM) , which is the hard-coded read-only memory used for low-level flashing . Core Causes & Deep Diagnostics Driver Instability (Most Common) brom protocol error check device environment
Windows 11’s enhanced security (HVCI, Virtualization-Based Security) frequently breaks BROM protocol. (If exact error text differs, match keywords above