Unhappy [Q] Need help

Hi! I have a 7 inch tablet Brand: Merlyn,Version OS: Android 4.0 (ICS),Procesor:Cortex-A10,CPU: 1.2GHz Boxchip A10,RAM: 512DDR,8GB,Rezolutin:800x480,Touch Screen: 5 Point Touch Capacitive,HDMI,Bluetooth: No,G-Sensor: Yes,WebCam: Front 0.3M Pixel;Back 0.3M Pixel,GPS : No,WiFi: IEEE 802.11b/g/n,3G: with modem 3G USB,Card Reader: TF Card (MicroSD) up to 32,Batery: 3.7V 3000mAh Li-ion and my problem is with the software.He use to be stable but at one point it got stuck at loading screen so i tried reset but got no results.So i tried to find another software for him but i am noob and i forgot to save the original software and the closest i got to one working is from allview alldro but the touch dosent work right.I tried for so long and got no result.Can anyone pls help me ?(sorry for my bad english)