Here you get free Firmware Seatel : Model T7 ( Android Version 7.0) this file full backupwith NCK-Pro Dongle “MT6737M_EMMC_Seatel_Seatel T7_7_0_alps-mp-n0_mp1-V1_0_2_bd6737m_35g_a_n(2019_07_01_09_02)” -MT6737M_Android_scatter file , that can flash by