Chosen Solution
It’s a very slow and “cheap” tablet. Had to reset to factory settings. I would like to know if it’s hackable and is there a ROM I can install that will make this tablet work better? mid 73588_15121111_v1.05_20160120 S/N 7358155007106 eSTAR Mercury HD Quad Core 7" Blue Android 5.1.1
The best place is to look on xda-developers.com forum.
You can find many custom ROMs like Akop, Cyanogen and many more cooked ROMs , try here XDA developers. Search the threads of your model no. and follow the instructions given . Enjoy