The USERDATA button is not necessary or needed for this process. Make sure you choose the HOME_CSC, and not CSC file. Click on the 'CSC' button, choose the HOME_CSC file inside your extracted firmware folder. Click on the 'CP' button, choose the CP file inside your extracted firmware folder. Next, click on the 'AP' button in Odin and choose the AP file inside your extracted firmware folder. Click on the 'BL' button, then choose the file that starts with 'BL' inside your extracted firmware folder. You can read more about the quirks of entering Download Mode on these devices here. Newer Galaxy phones without a home button will require a different button combo to enter Download Mode (Volume Down + Bixby + Power). To find the exact key combination for your device, just do a simple Google search - for instance 'Galaxy S3 download mode.' At this point you can connect the phone to your PC using the USB data cable. Some older devices use a different button combination. With the device turned off, press Power + Volume Down + Home to enter Download Mode. Step 5: Put Your Phone in Download Mode & Connect to PC Extract the ZIP file for the latest version and run the EXE file inside of it to launch Odin. First, download the latest version of Odin. The Odin software only works with Windows, so make sure to have a PC handy. Don't skip this step, as it could cause issues with operating the Odin executable file. Download the drivers and run the setup to install them on your PC, then reboot your computer to make sure they've been applied. Samsung maintains an official webpage where you can grab the drivers you need. Your PC needs the necessary drivers to interface with your Samsung phone. If you are lucky enough to have a recent Samsung flagship, you can download the desired firmware from the Samsung Firmware Science website. Many users post stock and beta firmware in these forums. For any older Samsung device, the best place to look is typically in the corresponding XDA forum. If you're looking for the actual firmware you need to flash, it can sometimes be difficult to locate online. We will focus on instructions for use on a PC in this article. While you can use some hacking to get Odin on a Mac, the native program works only with Windows. Though Odin is fairly simple, there are a few requirements and basics you'll need to learn first. Odin is Samsung's own internal program for loading such updates for testing purposes, and it's quite easy to use for your own custom modification needs. If you own a Samsung phone and enjoy rooting or modding your device, flashing official firmware can be very useful.

How to use odin v3.13.1