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y300 dual 4.4 rom

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I unlocked my y300-0000 and flashed it as


but i have sim problem (not even detecting )


after 3 days i installed


but the same sim problem


then used the fix 


in fusionx one of my sim were detected but in cm it goes to empty black screen

can some one help me to flash cm-11 and have 2 sim ?


now i even cant install main update.app it failes


i'm new user please help me that i can  help others

thanks a lot

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Y300 dual sim variant is strictly not supported by any ROMs in Modaco

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Ok thanks 

but can you tall me how to install other factory roms like 


mine is 


but it has some bad bugs and i even cant install mine it failed to flash as default rom

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