Download Android Jelly Bean 4.3 stock firmware for China Mobile Zong M811 All-rounder

Download Android Jelly Bean 4.3 stock firmware for China Mobile Zong M811 All-rounder from here or here.

Firmware details
Archive name: M811_4.3_20160904
Image: M811_SJJL_ROM_20160904A & M811_SJJL_ROM_20160904B
Archive file size: 654 MB
Support: Qualcomm Snapdragon 400 MSM8926 
Build number: m811-user 4.3 JLS36C M811_01.50.00RPS 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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