If the camera is still taking low quality pictures after you have cleaned the camera lens, you should think about replacing your tablet camera. The link to the repair guide for the Lenovo Tab 2 A10-70 will be available soon.
+
Link to Troubleshooting: https://www.ifixit.com/Wiki/Lenovo_TAB_2_A10-70_Troubleshooting
If the camera is still taking low quality pictures after you have cleaned the camera lens, you should think about replacing your tablet camera. The link to the repair guide for the Lenovo Tab 2 A10-70 will be available soon.