Download latest Android Lollipop 5.1.1 stock firmware for Acemax Z4 TV Box

Download latest Android Lollipop 5.1.1 stock firmware for Acemax Z4 TV Box from here,here or from here. Download previous firmware from here.

    

Firmware details
Archive： rk3368_5.1_BOX_Z4_zhongx_ap6xx_V005_20160331
Image: update.img

Model: Acemax Z4 TV Box 

Image file size: 586 MB

Platform: Rockchip RK3368 / RK330A
FW version: 5.1.00
Boot version: 2.40
Model number: rk3368-box 
Build number: rk3368_box-userdebug 5.1.1 LMY48Y eng.qiaohy.20160330.155716 test-keys
Company: Android 
SDK version: RK30_ANDROID5.1.1-SDK-v1.00.00

Source