Windows: Start Odin 3.10 and fill the TWRP img.tar file in AP, disable auto reboot and start to flash, if everything works well you will a see pass message.

(You could download and install SmartSwitch to get them)

Connect your device to your PC and install the driver if your are using Windows.

Enter download mode with pressing volume up once.Reboot your device into download mode with power button, volume down and home button, press them as long, until you will see a warning.If you are using a Windows PC, you will need Odin 3.10 to flash TWRP (img.tar file), on Linux you will flash with heimdall (img file). Also download the corresponding TWRP img.tar or img, depending on how you want to flash it. Just choose the least version of your preferred ROM. Here you can find all my ROM and Recovery (TWRP) files, Reboot and enjoy the second life of your device.Install TWRP with Odin, Heimdall or do a in recovery flash (only if your already have any custom recovery installed…).Download gapps (arm, pico) if you want Playstore functionality.Instructions how to install any of html6405’s custom roms on a Samsung Galaxy S3

How to flash with odin 3.10