– EFS is used in Android/Qualcomm contexts (e.g., EFS Explorer or QPST for flashing EFS partitions).
To use the tool successfully, the following device conditions are typically required: eftsu flash tool
Despite the complex name, like Fastboot or Download Mode. Instead, it is a term generally used to refer to a specific family of Chinese-developed factory engineering tools . – EFS is used in Android/Qualcomm contexts (e