ROM for Tablet iJoy Andromeda II??

Hello everyone. I have this tablet: Ijoy andromeda II with android 4.1.1.

But the tablet has many lags. These are the specs of my tablet:



display:

· Capacitive Touchscreen 9.7 "/ 24.6 cm

· IPS 2 IT

· Multitouch 5 points

· Resolution 1024 * 768 px (4: 3)

· Screen Aspect 4: 3

CPU:

· Rockchip3066 Processor 1.5GHz (Dual core)

· 3D Graphics Processor

· RAM / FLASH: 1GB DDR3 / 8GB

· Android 4.1.1 OS

· G-Sensor



connectivity:

· Wi-Fi IEEE 802.11 b / g / n

· USB Dongle (3G external)

Bluetooth





There is some support or custom rom to work better? There are some recovery to backup or install rom?

* thank you very much.

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