Connect your phone to the PC using a high-quality USB cable. Odin should indicate a successful connection by showing an message in the log box and highlighting the COM port in blue. If the device isn't recognized, reinstall the Samsung USB drivers or try a different USB port.
In the "Options" tab, verify that "Auto Reboot" and "F. Reset Time" are checked. "Re-Partition" should NOT be checked unless you are also loading a PIT file. to begin. odin 3.15
Before opening Odin 3.15, prepare your computer and phone to prevent connection failures midway through the process. Connect your phone to the PC using a high-quality USB cable