Samsung S3 GT-I9300 Stuck on Samsung Logo

 If you Samsung  S3 stuck in the Samsung Log, try following,

• Install the Samsung keys, 

         " this will have the drivers for the Phone "

• Download ODIN 3.9 v (http://androidhost.org/PVAIv)
• Download root Files for Samsung S3
• https://download.chainfire.eu/194/CF-Root/

steps.

• Open the Odin
• Connect the  Phone with USB cable
• Then turn on the phone holding ( Power + Home+ Volume down)
• it will load in the recovery mode, select  volume up to continue,
• In the Odin it will show that phone is Added,
• in the Click AP and add the cf root files to add the extracted filed to there
• Make sure in the Options tab have only selected Auto Reboot
• click start, after it finish Phone will reboot to Android