@madgoeslim need your advice to solve Error 4001 (S_FT_DA_NO_RESPONSE) while identify device of Redmi Note 4 MTK. Currently I use socMT6797 with BROM 7.1625.3.0, MTK_AllInOne_DA.bin as Download Agent. and I try to change the DA with [Xiaomi,MT6797] MTK_AllInOne_DA.bin, but always failed when sending download Agent and Error 4001 always appeared.