Unable to flash software using Odin

[Android Central Question]

I'm trying to flash over an updated version of firmware to my S9+. I did so about a year ago. Was an AT&T phone originally, but flashed T-Mobile software over. Phone has been working fine. I've tried 2 versions of Odin, and about 5 different T-Mobile versions of firmware. Odin just comes up saying it failed. I've never had an issue using Odin before. Any ideas what it could be? Thanks

 

[mustang7757]

Hi, where you getting the firmwares from ?

You try different cables and USB port in the computer?

I'll leave a Link to register so you can communicate here as a guest account you can only post questions but can't reply

https://forums.androidcentral.com/showthread.php?t=409154