After following a process elsewhere on XDA to set up a pin lock, (here: http://forum.xda-developers.com/showthread.php?t=1848962&highlight=lock) I've been locked out of my device, with the response Too Many Pattern Attempts.
It says: "to unlock, sign in with your Google account." But I do that, and receive an invalid login response. (This is without active wi-fi, which I can't access for the settings!) I'm not certain that it's trying to connect online, but that's my only explanation for why my google credentials aren't working.
I was hoping I could use ADB to reset the PIN again, but ADB doesn't appear to recognize the Nook; maybe it's not opening up the device to USB until it gets unlocked. And ADB Wireless is something I can't even access until I get past this!
I'm currently on the road so I can't go back to my home wi-fi... and I'm not even sure that the nook would connect to the home wi-fi anyway.
At the very least, I'd love to find out how to boot it in recovery mode, maybe re-install and re-root everything. I've seen a few posts online about rebooting in recovery mode, but nothing consistent.
Any suggestions?
we have been given a tablet from a friend that was an ex company tablet that has since been dissolved, I have tried accessing it however i don't know the pin code for it.
I accessed recovery mode and did a factory reset, and still get the same issue as the admin rights have been removed due to it being an ex company tablet so it ask me to log in with either the pin or the email address/password that only the company would have(If they were still running)
I am quite good at flashing roms via odin, however i cant get into the settings of the tablet to access developer mode to enable usb debugging.
is there anyone who can help as i'm all out of new ideas.
Many Thanks
I recently purchased a used A20 (SM-S205DL) the previous owner's child locked the device and forgot the pin. I was told it didnt have FRP activated so i mistakenly hard reset it without checking odin mode first. Now i have no way to set up the device or enable usb debugging. I have firmware and some basic knowledge of flashing via odin. Although i have only used it to unbrick a device roughly 5 years ago. How can i either remove FRP via odin mode or download mode without usb debugging turned on. I have no preference on how to gain access to the device. If frp cannot be removed could the device be completely wiped and made into a basic Linux device? I have no preference on what is done i only want to have some use out of it
Factory Reset Protection exists to prevent the use of stolen devices. Unfortunately, this can become rather inconvenient in other circumstances where for some reason the Google account the device was locked on isn't available.
While FRP unlock services exist, we here on XDA tend to err on the side of caution due to the potential for criminal activity.
Try flashing vbmeta.img (UNLOCK BOOTLOADER)
Try this:
This device was reset. To continue, sign in with a google account that was previously synced on thos device.
Hello everyone, I got a phone Galaxy A 20 and called Boost mobile to sim unlock the phone, what they did. When done I factory reseted the phone. Now when I try to add an account I got a "your phone was factory reset., type the password to...
forum.xda-developers.com
I have a Samsung Galaxy Tab A (2020, SN-T307U) that I got from work. It's an old Doordash tablet that Doordash didn't want back, so I'm trying to reset it and it's driving me crazy. I have followed so many tutorials trying to get this thing to work, I keep getting caught on something.
- Simply factory resetting does not work, gives an error that MDM does not allow it.
- I cannot put in the wrong password 15 times to factory reset, even though I get a warning it just lets me continue trying after 15 fails.
- I cannot enter the bootloader, rebooting to bootloader just reboots to the OS.
- I cannot enter safemode, same as above.
- I cannot enable developer options, so no OEM unlock or USB debugging. Tapping build number gives me an error that the MDM does not allow this option.
The device is recognized by Odin, can I just brick this thing and repartition from scratch? Can someone who knows what they're talking about walk me through that? I'm not really sure what I'm doing here, learning as I go over these last 2 days.
Hello,
I have the same exact same issue, have you been able to unlock it?
Thank you!
I can fix it remotely the last hope
Same Issue here,
Any one had any luck with MDM T307U. Please assist.
rittnerb said:
I have a Samsung Galaxy Tab A (2020, SN-T307U) that I got from work. It's an old Doordash tablet that Doordash didn't want back, so I'm trying to reset it and it's driving me crazy. I have followed so many tutorials trying to get this thing to work, I keep getting caught on something.
- Simply factory resetting does not work, gives an error that MDM does not allow it.
- I cannot put in the wrong password 15 times to factory reset, even though I get a warning it just lets me continue trying after 15 fails.
- I cannot enter the bootloader, rebooting to bootloader just reboots to the OS.
- I cannot enter safemode, same as above.
- I cannot enable developer options, so no OEM unlock or USB debugging. Tapping build number gives me an error that the MDM does not allow this option.
The device is recognized by Odin, can I just brick this thing and repartition from scratch? Can someone who knows what they're talking about walk me through that? I'm not really sure what I'm doing here, learning as I go over these last 2 days.
Click to expand...
Click to collapse
If you look at all of the previous post, it should tell you that no one has found a way to disable an MDM lock. Which is as it should be. Otherwise the lock would be useless.
lewmur said:
If you look at all of the previous post, it should tell you that no one has found a way to disable an MDM lock. Which is as it should be. Otherwise the lock would be useless.
Click to expand...
Click to collapse
That's not true as of today's date. (In the event this post is viewed after this exploit can be successful).
I am not taking credit and perhaps the op has discovered it. Anyway...
I am in Canada and noticed the carriers here stop at BL 8 while the USA has BL 9.
The unit i had was on BL 9 (csc TMB).
This probably works for Canadians on BL 8. I don't recommend flashing to BL 9 as that may affect your service or experience.
ANYWAY! This guide won't explain any prerequisites. They are adb, installing unsigned drivers, and you aren't able to use the device and are the owner
1) if not already, power off device with vol down+power and ensure battery is at least 50%.
2) enter recovery and factory reset. If you're having difficulty entering recovery, plug into your pc and as soon as you hear the audible disconnect, switch to vol up+power. Or jam on all three buttons for dl mode.
If in dl mode you can check firmware version and just flash it with bl, ap, cp and csc (NOT home csc). Use exact current version. Don't worry about userdata if it is USA
3) at welcome, connect wifi and imnediately go back to first screen. Don't use data sim
4) dl samfw app and on misc tab, check driver status and your pc will reboot.
*you must not have secure boot enabled
5) plug phone into pc. In the app, mtp and select youtube. If done right, click the pop up on your phone and navigate to chrome. Should be automatic.
6) search for vnrom frp. Once there download package disabler pro and notification app. They are side by side. Install notification app and set it up so you can swipe quick settings from top of screen.
5) unplug your phone from pc and plug it back in. Should be able to get back to the package app various ways to install it. Before install, turn wifi off. Now run package disabler and when it prompts for device admin, turn wifi on. It'll glitch a bit but should start.
6) locate samsung setup wizard. Don't confuse with the other. It'll have a green icon. Disable it and clear the storage. At bottom left, tap the back arrow and you should be back at final setup.
7) when asked to add samsung account, turn off wifi. Complete setup and don't add any accounts.
8) you should arrive at home screen. Your phone is re-plugged right? Good. Now turn on usb debugging and use the remove knox from the app. Done.
*i think i turned wifi on just before enabling debugging. I forget.
*if you are sloppy... you'll need to start over. You'll see, or already know
*you can do ota (if there still is any) but factory resetting or odin flashing will put you back to managed.
mindlery said:
That's not true as of today's date. (In the event this post is viewed after this exploit can be successful).
I am not taking credit and perhaps the op has discovered it. Anyway...
I am in Canada and noticed the carriers here stop at BL 8 while the USA has BL 9.
The unit i had was on BL 9 (csc TMB).
This probably works for Canadians on BL 8. I don't recommend flashing to BL 9 as that may affect your service or experience.
ANYWAY! This guide won't explain any prerequisites. They are adb, installing unsigned drivers, and you aren't able to use the device and are the owner
1) if not already, power off device with vol down+power and ensure battery is at least 50%.
2) enter recovery and factory reset. If you're having difficulty entering recovery, plug into your pc and as soon as you hear the audible disconnect, switch to vol up+power. Or jam on all three buttons for dl mode.
If in dl mode you can check firmware version and just flash it with bl, ap, cp and csc (NOT home csc). Use exact current version. Don't worry about userdata if it is USA
3) at welcome, connect wifi and imnediately go back to first screen. Don't use data sim
4) dl samfw app and on misc tab, check driver status and your pc will reboot.
*you must not have secure boot enabled
5) plug phone into pc. In the app, mtp and select youtube. If done right, click the pop up on your phone and navigate to chrome. Should be automatic.
6) search for vnrom frp. Once there download package disabler pro and notification app. They are side by side. Install notification app and set it up so you can swipe quick settings from top of screen.
5) unplug your phone from pc and plug it back in. Should be able to get back to the package app various ways to install it. Before install, turn wifi off. Now run package disabler and when it prompts for device admin, turn wifi on. It'll glitch a bit but should start.
6) locate samsung setup wizard. Don't confuse with the other. It'll have a green icon. Disable it and clear the storage. At bottom left, tap the back arrow and you should be back at final setup.
7) when asked to add samsung account, turn off wifi. Complete setup and don't add any accounts.
8) you should arrive at home screen. Your phone is re-plugged right? Good. Now turn on usb debugging and use the remove knox from the app. Done.
*i think i turned wifi on just before enabling debugging. I forget.
*if you are sloppy... you'll need to start over. You'll see, or already know
*you can do ota (if there still is any) but factory resetting or odin flashing will put you back to managed.
Click to expand...
Click to collapse
This method works up to step 7 for me. I can't seem to enable usb debugging before knox kicks in. With or without wifi. I'm experimenting to see if I can get past that step.
How to Remove MDM Control from Android?For anyone suffering from this issue, the following are the steps to bypass Samsung Knox factory reset protection:
First of all, create a password for the device.
Make sure that your device is charged to an 80% or greater charge.
Next, you’ll need to go to Settings and Security Encrypt Device tabs respectively.
Set a PIN/password for your device.
After you have secured your device and it’s gone through. Reboot the device, and when it boots, it will ask you to enter a password in order to access your device to view encrypted data. If you type the wrong password 15-20 times (it depends on your device), it’ll wipe your device of any information and will restart and then appear like you’re registering as a brand new device after a factory reset.
Thats the 2th!!! Try it
Video - Samsung SM-T307U Galaxy Tab A 8.4 2020 Knox Remove || Tab a 8.0 MDM Remove
the Tool from the Video Tutorial is here >> SamFwToolSetup_4.3
Hello,
I have a Verizon Galaxy Tab A SM-T597V.
The device allows me to factory reset and even used Odin to flash the factory ROM onto the device. I’ve even successfully been able to rush through the set up and access settings and enable USB debugging.
But no matter what if I go through the set up menus it eventually pops up and says “Managed by your IT department” and installs an app called “Hub.” The KG state says Prenormal and FRP Lock says OFF. OEM unlocking has never shown as an option.
Has anyone encountered this or know of an option to keep the device installing these programs during the set up screen?
Any advice pointing in right direction would be great!