Flash stock firmware on Galaxy Tab S4 Live Demo unit with OEM lock
Hello.
I've got my second Live Demo Unit of Galaxy Tab S4 (SM-T830). I've haven't any problems with first one: I've entered retail mode configuration with 5444 pass and M729Q16K8546 code then flashed stock firmware and that's it: I've got fully functional Tab S4.
New one has firmware build T830XXXU1ARG4_LLK and retail mode is disabled, there is no FRP, no account linked, I can make factory reset either using settings or recovery. But! Device has some limitations: battery stops charging at 70%, I can't remove demo software and device is not updating to actual firmware. I think I can remove all of these limitations after flashing stock firmware.
I'm trying to flash stock firmware but Odin fails:
SetupConnection..
<OSM> All threads completed. (succeed 0 / failed 1)
OEM lock is on according to download mode string and I can't disable it because OEM Mode toggle is missing in developer settings. Of course I've tried all methods that Google search provided: disabled date & time sync, changed current date, rebooted, but that method doesn't work for my device.
What else I can do? Should I wait for a week or I can disable OEM lock using alternative methods?
Thanks in advance.
P.S. I couldn’t find Tab S4 device to create question - that’s why I’ve chosen the closest one - Galaxy Tab S 10.5
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Waiting for one week didn't help: OEM unlock toggle still missing. How else I can unlock bootloader? Connecting to adb works but fastboot commands don't work unfortunately.
- de Sergey Bolbat
I really don't know the reason but I could flash any stock firmware on another PC with Windows 7 (instead of Win 10). I've tried multiple cables, multiple firmwares, multiple Odins - no luck and only Windows 7 PC solved my problem.
- de Sergey Bolbat