Download Android Jelly Bean 4.2.2 stock firmware for HTM A6W smartphone from here, here or here.
Archive: Firmware for HTM A6W (13F43_S26W_A1.140423.JB3.V1.FWVGA.4P32_COM_EN)
Firmware: Android Jelly Bean 4.2.2
Project: bird72_wet_a_jb3
Baseband: MT6572_S00_MOLY_WR8_W1315_MD_WG_MP_V1_P7_1_wg_n
Config_version: V1.1.1
Archive: Firmware for HTM A6W (13F43_S26W_A1.140423.JB3.V1.FWVGA.4P32_COM_EN)
Firmware: Android Jelly Bean 4.2.2
Model: HTM A6W smartphone
Image file size: 258 MB
Platform: Mediatek MT6572Image file size: 258 MB
Project: bird72_wet_a_jb3
Baseband: MT6572_S00_MOLY_WR8_W1315_MD_WG_MP_V1_P7_1_wg_n
Config_version: V1.1.1