how to flash with odin without losing data

You need to check that you are using the latest firmware for your device and make sure that it is compatible with your device.

Version – It is important to check that you are using the correct version of the firmware for your device.

As there are a large number of phones and many versions of each device (such as single/dual SIM variants and variants from different regions), it is easy for you to accidentally download the wrong version. This is because there are a few issues that could be wrong with the firmware. The most likely reason as to why Odin flash failed is because of the firmware (ROM) that you are attempting to flash onto your Samsung. Odin is a very sensitive program that requires all the conditions of the flash to be perfect before it successfully flashes your Android device. If you are running an older version of Odin, make sure that you update your Odin flash tool and then retry flashing your device.

Often, older versions lose support and may contain bugs so make sure that you are using the latest version of Odin by visiting this website. If your Odin flash failed, it might be because you are using an older version of Odin. Try Fixppo Repair Tool (Recommended Method)

How to flash with odin without losing data