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I ended up using 7Zip and like it a lotWin zip can be a pain sometimes. Just wait a few minutes if it fails to open and try again.
I had bought subscription before I knew others were probably better so I stick with it.
Nothing. the phone just is the way it was and nothing in Odin.Was there a error message in Odin or on phone?
No. I didn't get a sign in on Odin at all and the phone still remained the sameDid you ever get the blue box with a com port number showing the phone was connected?
Have NOT restarted since I installed everything (and I know better, but I got excited)Did you install the drivers? Should also restart the PC after driver install.
Are you using the original USB cable?
Mine is a t399n. when i searched for my device, the one i downloaded was for that model, not a t399. I'm confused.You only need one firmware download, OH3
http://www.sammobile.com/firmwares/download/55719/T399NUVUAOH3_T399NTMBAOH3_TMB/
Never got to that screen. Simply the one from my OP. And from another post, I did use firmware OH3Looking back on your first post,did you ever boot into recovery and try a factory reset?
From off, remove and replace battery if needed, press and hold the power button, the volume up and home button until phone vibrates and you see blue writing"Recovery Booting" in upper left of screen, then release the power button only and continue holding the other two.
In recovery,use the volume buttons to scroll to Factory Rest and press the power button to select it.
So i tried this again, but the splash screen, samsung galaxy light, keeps flashing. IDK what mode I was in before from my OP but at least it was asking me for something. <shrugs>Looking back on your first post,did you ever boot into recovery and try a factory reset?
From off, remove and replace battery if needed, press and hold the power button, the volume up and home button until phone vibrates and you see blue writing"Recovery Booting" in upper left of screen, then release the power button only and continue holding the other two.
In recovery,use the volume buttons to scroll to Factory Rest and press the power button to select it.
Firmware version is correct for the t399n but if Odin will not connect to phone, it won't workMine is a t399n. when i searched for my device, the one i downloaded was for that model, not a t399. I'm confused.
But after reboot, here's what it shows me. i have NOT chosen the file yet.
From this post's starter, this is exactly what happens to me. Apparently I'm in download modeIt shows a dead android with the phrase "no command" and then my phone shuts off again to reboot back into the loop. I can get it into download mode
OMG that's the screen that immediately disappears that I can't read, then it goes to the android guy and I'm in download mode where it tells me to press volume up (I think) to continue, so I doFirmware version is correct for the t399n but if Odin will not connect to phone, it won't work
Stock recovery screen on phone will look like this
No. My phone acts like it's friedWhen you connect phone to PC, any reaction from PC , a chime noise that the pc knows something is connected to it?
If you look in the device manager on pc does it show any unknown devices connected?

I canNOT get into recovery mode. I can't afford a new phone, even as cheap as they are. I have GOT to figure this out. But my PC doesn't make a sound when i connect the data cable to the phone, yet samsung drivers are installed as per our aforementioned talk. Now all that the phone is doing is samsung galaxy light powered by android (the splash screen I guess it's scalled), until I pull the battery. Then I try to get into either download mode or recovery mode and sometimes I get into download mode, but usually the splash screen comes back, like every 8 seconds.Getting into recovery is almost the same as download mode but you use the volume up instead of down.
motherboard on my phone or my laptop? <smh>Not having a working recovery or your phone going into download mode when you try and get into recovery is probably a sign that your motherboard is crapping out. If that is the case ,not much you can do but replace the board or replace the phone. May also explain why phone not connecting to Odin.
In other words, I'm SOLBest place to find a good used affordable phone
https://swappa.com