Thx to :
NeedROM
All Member, Admin and me
Flashing :
Masuk TWRP/CWM
Wipe System, Data, Cache dan Dalvik Cache
Instal Rom MIUI Y511
Reboot
Link : http://www.4shared*com/zip/CszkI0f9ce/MIUI_Y511_Build-1.html /
download
(ganti tanda * dengan .)
SS di Post group
https://www.facebook.com/notes/acer-liquid-z4-indonesia/share-port-miui_y511_build-1/449645998506863