Locked in demo mode? - Samsung Galaxy Tab S7 / S7 Plus Questions & Answer

Bought a used tab s7+ WiFi model and it seems to be locked in demo mode and won't allow me to turn the mode off or enable it, and won't let be update to Android 12 as it's stuck in Android 11, has anyone any ideas on what I can do to get this tablet working properly? Thanks for any replies in advance.

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[Q] Samsung Galaxy S Plus Download Mode Frozen

Hi, I have samusng galaxy i9001 (S Plus Model). I installed cyanogenmod 10.1, but my battery is dying faster and my operators mobile internet data can't work either, so I want to go back to my stock android version. I found out that I need to go to download mode so I did, but the problem is: after i hold home+power+vol. down, green android guy appears and below it said 'download... do not turn off the target!', it's all that is on the screen and it just stays like that forever... I would be very gratefull if you could help me

Samsung Galaxy Alpha G850F - Official Android 5.0.2 - Flight Mode Problem !!!

Hello everyone,
I'm new here and I need your help about an issue that I'm facing at the moment.
I got a Samsung Galaxy Alpha G850F that it is in 100% official state. I haven't touched its rom, bootloader, kernel, root access or anything. It is completely stock.
A few days ago I received the OTA Update for Android 5.0.2 Lollipop. I downloaded it and installed it. Then I did a hard reset and started to reinstall my apps and stuff from zero. But I noticed an issue.
I did this. I enabled flight mode and turned off the phone completely. Then, on the next startup if you turn flight mode off it will NOT ask for SIM PIN (while it should) , it will find signal but it will be unregistered to the mobile network! So you can turn flight mode off but the phone will be in "Emergency Calls Only" state and you will not be able to make phone calls, use mobile internet or anything. The only way to fix this is restart the phone BUT with flight mode disabled.
I never had this issue with the previous KitKat firmware (I could do this easily with KitKat, when I turned the phone on and disabled flight mode it would ask me for SIM PIN and then it would be ok). So it seems like you can't start the phone on flight mode anymore. Flight mode works good in general, u can turn it on and off while the phone is on BUT if you enable flight mode and then power it off then you will have no network on next power on.
Anyone else with stock Galaxy Alpha and official 5.0.2 experiencing this ??
Any ideas?
Thanks in advance.
SOLVED!
So problem got solved by itself! I tried to do this today and it worked fine as it should. I haven't changed anything. I don't have a clue what caused it. Maybe it was network related?
Thanks anyway!
Please help me, I have a galaxy alpha g850f fingerprint sensor does not work Is there a solution to this problem

P-tab-105-elc-03

I'm trying to flash a tablet but can't get into setting for the device. Can anyone help. It is an Outcome Health tablet (Context Media previously). they're running Android 4.4 but Outcome seems to have locked it down by spamming a program to run that plays their videos. Can anyone help?
I got mine rooted and removed the context media stuff. There aren't any ROMs available for it so you're stuck with android 4.4. usable if you run the older apps.
Late to the thread. Any advice on how you rooted it? I’ve enabled developer mode but can’t get ADB to turn on; all options in the developer menu are grayed out.

Samsung Galaxy Tab A 2016 Wifi Canada (SM-T580) Help!

I was recently using my tablet and I let it charge for a while and when I went to check it would turn so I tried forcing it to restart nothing. I tried everything to get it back to normal. All I could do was go into the download mode or go in the bios area. SO now I decided I would reinstall the stock ROM. So when I try to flash using Odin the stock ROM always fails. I keep thinking it fails because I never turned USB debugging on but I can't turn it on now. So I was hoping if this forum could help me.
Make: Samsung
Type: Tablet
Model: Galaxy Tab A 2016 Wifi Canada
SM-T580
-Ammaar

[Help] Cannot Flash Stock ROM - Galaxy Tab Active Pro

I found the stock T-Mobile Android 9 ROM for a Galaxy Tab Active Pro, but when I try and use Odin to flash I get errors like SW REV CHECK FAIL : [boot]Fused 8 > Binary 2. Also, I have tried everything I could find on Google and here about getting the OEM Unlocking option to show, but no matter what I try I cannot get it to show. Am I screwed or am I missing something here? It shouldn't be this hard to go back to Android 9 since it's Android 11 that broke one of the features I need. The feature that no longer works is NFC when in Kiosk mode. It only works until the device goes to sleep. Once you wake up the device you have to exit Kiosk mode to get it working again.

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