Download Android Jelly Bean 4.2.2 stock firmware for MXD X1 smartphone from here or here.
Archive: firmware and upgrade tool for MXD X1
Firmware: Android Jelly Bean 4.2.2 stock
Firmware file name: X1_AJX_V1.9_1205
Project: fars72_wet_v115_jb3
Config_version: V1.1.1
Baseband: MT6572_S00_MOLY_WR8_W1315_MD_WG_MP_V10_1_2g_n
Archive: firmware and upgrade tool for MXD X1
Firmware: Android Jelly Bean 4.2.2 stock
Firmware file name: X1_AJX_V1.9_1205
Model: MXD X1 smartphone
Image file size: 251 MB
Platform: Mediatek MT6572Image file size: 251 MB
Project: fars72_wet_v115_jb3
Config_version: V1.1.1
Baseband: MT6572_S00_MOLY_WR8_W1315_MD_WG_MP_V10_1_2g_n