The BROM authentication bypass failed or the phone disconnected.
Always try to backup your NVRAM/NVDATA partitions if the phone still turns on. mt6781 sp flash tool exclusive
The for your model (e.g., Infinix, Tecno, Realme). Secure Boot DA files needed for the SP Flash tool. Instructions for rooting your MT6781 device after flashing. The BROM authentication bypass failed or the phone
Required to route the USB connection through the Auth Bypass tool. mt6781 sp flash tool exclusive
Follow this sequence precisely. Deviating from the order of operations can cause the computer to drop the connection to the smartphone boot ROM.