WiFi error after rooting Samsung Galaxy SL i9003 Solution

Complete Step-By-Step Instructions:
Step 1 - Download pda_bck_cf-root_universal_beta14fixStep 2 - Download ODIN v1.85 
Step 3 - Switch off your phone. Now go to Download Mode. How? Press and hold the Volume Down + Home buttons together, and then press the Power button till you see the construction Android robot and a triangle. Press Power again to confirm to enter into Download Mode.
Step 4 - Make sure you have your Galaxy SL USB drivers installed on your computer.
Step 5 - Open ODIN on your computer. Connect your phone to your computer while your phone is in the Download Mode.
Step 6 - If your phone is connected successfully, one of the ID:COM boxes will turn yellow with the COM port number. This step might take some time.
Step 7 - Now select the file pda_bck_cf-root_universal_beta14fix .
* Click on ‘PDA’ and select pda_bck_cf-root_universal_beta14fix
Step 8 - In ODIN, check the Auto Reboot and F. Reset Time options.
Step 9 - Now click on the Start button in ODIN. flash process will start and would take a few seconds to complete.

pda_bck_cf-root_universal_beta14fix - Download - 4shared
Download pda bck cf-root universal beta14fix.tar

CWM Recovery Working For Galaxy Core GT-I8262 100% Done

INSTRUCTIONS : 

1. Install the Galaxy Core Drivers On Your Desktop

2. Extract ODIN.zip on your Desktop

3. Copy Recovery.tar File In ODIN Folder(its preferable to keep them in the same directory)

4. Now Go To Your Phone Settings

5. Click On Developer Options & Tick USB Debugging

6. Turn Off Your Phone

7. After Your Mobile Is Completely Turned Off Go Into Downloading Mode - Press & Hold Volume Down +Home Key +Power Key, Press Volume Up Again To Proceed

8. Connect Your Phone To Your PC via USB Cable

9. Now Open ODIN 3.07

10. Your Phone Should Be Detected In ODIN If You Have Installed The Drivers Correctly

11. Now Click On The PDA Button Then Select recovery.tar(CWM Recovery File)

12. Press The Start Button. Now The Installation Should Start.

13. When The Installation Is Completed It Should Display "PASS" Then Remove The USB Cable From Your Device

14. Now To Go Into CWM Recovery - Turn Off Your Phone Completely. 

15. Press Power Button + Home Button + Volume Down Button.

16. Now You Have A CWM Recovery!!!!!!!!!!!!!!

If It Helped HIT the "THANKS" button!!!

Download Links : 

STOCK RECOVERY : http://www.mediafire.com/?531dq5mi794dki8

CWM : http://www40.zippyshare.com/v/48874900/file.html

ODIN 3.07 : http://www.mediafire.com/download/77...x2/Odin307.zip

Galaxy Core Drivers :http://developer.samsung.com/board/d...hId=0000000001