please port patch to MIUI rom for Acer liquid to fix "sd card unexpectedly removed"

[ppock]

I have a link for patch to fix "sd card unexpectedly removed" problem for Acer liquid. please help me to port patch to new MIUI rom to fix this problem. (because who use micro sd card class 2 have many same problem.)

http://global-download.acer.com/GDFiles/Patch/Patch/Patch_Acer_1.0_A21E_A.zip?acerid=634217775667890636&Step1=Smart Handheld&Step2=Liquid&Step3=Liquid E&OS=a02&LC=en&BC=Acer&SC=AAP_7

THank