How To Install Stock ROM on Caszh M9 (Firmware Flash File)
Guide To Install Official Stock ROM On Caszh M9 (Back to stock, Unbrick, Unroot and Fix Bootloop): The available firmware file version name is V178C_QHD_V1.0_84_20160322_1443_V1.0.1_JJX_G11B_M9 – full_magc6580_we_l-user