Download Android Jelly Bean 4 3 stock firmware for Yidong M811 smartphone

Download Android Jelly Bean 4.3 stock firmware for Yidong M811 smartphone from here or here. 

Firmware details
A rchive name: YIDONG_M811_4.3_20170219
Image: YIDONG_M811_SJJL_ROM_20170219A
Archive file size: 351 MB
Support: Qualcomm Snapdragon 400 MSM8226
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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