Download Android Jelly Bean 4.2.2 stock firmware for Lenovo A678T smartphone from here or from here. Download previous firmware from here. Download another Lenovo firmware from here.
Archive name: Lenovo_A678T_4.2.2_20160904A
Archive file size: 304 MB
Firmware: Android Jelly Bean 4.2.2 stock firmware
Model: Lenovo A678T smartphone
Platform: Mediatek MT6582
Build number: vago-user 4.2.2 JDQ39 A678t_S118_130826.130910 release-keys
Caution: Please do not update firmware unless you know what you are doing, you really want it or it is absolutely necessary. Firmware updates may occasionally have bad results, like bricking your device, temporarily or permanently. The firmware update process is done entirely at your own risk. Before attempting to update the firmware, back up your data.
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