help i want return to old system on my gio

Hello,
I have an Samsung Gio GT-S5660 .
I put an new Android 4.22 and phone don't work good...
I use information and instruction from this page...
http://ift.tt/2dcy8HW

I have CyanogenMod vers 10.1.6-GT-S5660-gio
It is from 08 October 2013
Please help me how can return to my old Gingerbird 2.3.4?
I have an other phone...how can extract image from him and put on this phone?
Best,
danny

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