Emerson Empire 756

We got a couple of these tablets cheap recently and found it has major bugs in it, especially when trying to access the Google play Store. A few days ago they issued a system update that they say fixes this. However I keep getting an error when it tries to install. Every solution I've looked up and found says the same thing...reflash a system.img. The only problem is I cannot find one. Has anyone got a system.img for this or point me in the right direction? Any help would be greatly appreciated.

Thanks.

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