Lg optimus g e970 at&t wifi not connecting after flashing rom through cwm recovery 6.0.3.3

[AC Question]

Please some one help me to return my optimus back to its stock rom and recovery and everything to factory state. i am a beginner so kindly guide me step by step i will be very thankful

 

[LGElectronics]

Hello, please use the following link for support: LG Help: Product Support and Troubleshooting | LG USA
Let me know if this helps.^MA