Download Android Lollipop 5.1.1 Stock Firmware for MP312

Download Android Lollipop 5.1.1 Stock Firmware for MP312 from here or here.

Firmware details
Archive: MP312-5.1-2017.2.7-deyi
Image: MP312-5.1-2017.2.7-deyi.img
Archive size: 164 MB

Model:  MP312 device
FW version: 4.4.02
BT version: 2.19
Platform: Rockchip RK3188 / RK31
Model number: rk3188
Company: rockchip
Build number:  rk3188-userdebug 5.1.1 LMY48Y eng.wing.20170207.135951 test-keys
SDK version:  RK30_ANDROID5.1.1-SDK-v1.00.00

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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