[Tutorial] Downgrading Galaxy ACE from CM7 to Gingerbread

Many People faced too many bugs on CM7 so they want to downgrade their ACEs.

Follow rules properly.

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First download flash files here. password - ekache99 ,Now start you 

galaxy ace in downloading mode see video here.

First switch off your galaxy ace and press together (power + home + volume 

down) keys and wow your galaxy ace is in downloading mode. Remove your SD 

card. Now open downloaded archive and there will be a application "Odin Multi 

Downloader v4.38.exe" open it, connect your Galaxy ace in downloading mode. 

Odin will show com port after you connect your Ace.

 After that can you see a option OPS in odin ya that one click it

and locate "Cooper_v1.0.ops" in flash files.

Click on BOOT and locate

"APBOOT_S5830XXKPH_CL260130_REV03_user_low_true.tar.md5".

 Click Phone and locate

"MODEM_S5830XXKPH_CL260130_REV03.tar.md5".

Click PDA and locate

 "CODE_S5830XXKPH_CL260130_REV03_user_low_true.tar.md5".

Click CSC and locate

"CSC_S5830SERKPH_CL260130_REV03_user_low_true.tar.md5"

No need to do anything with EFS leave it blank.

Click start.

Till your phone is flashed take a 5 minute nap.

And when you wake up you will see your phone is started with

android 2.3.4

Now you can Install Official Gingerbread on This ROM or anything like FirstUA or Anyting can be Installed on this ROM.