Firmware details
Archive: Lenovo_A820T_ 4.1.2 fw
Image: Lenovo_A820T_SJDS_ROM_20150419 & Lenovo_A820T_SJJL_ROM_20150419
Archive file size: 434 MB
Model: Lenovo A820T smartphone
Build number: lenovo89_td_jb-user 4.1.2 JZO54K A820t_S301.130316 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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