Device basic data verification failed this device cannot be unlocked

Device basic data verification failed this device cannot be unlocked


  • [Updated] 100% Working Fix for Bootloader Stuck at 50% Error
  • How to Fix “Couldn’t Verify Device” Error During Bootloader Unlock Process
  • How to Unlock Bootloader on Xiaomi Mi A2/A2 Lite
  • [Guide] How to unlock the bootloader on Nokia Android Phones for free
  • [Updated] 100% Working Fix for Bootloader Stuck at 50% Error

    Unlock the bootloader Why unlock the bootloader? By unlocking the bootloader you can open up a whole new world of possibilities. An unlocked bootloader allows you to modify the system data such as the recovery or the operating system. That said, all these possibilities depend on the developer community, and some devices receive more development, while others receive lesser. There are certain disadvantages as well. The most critical being the fact that your phone becomes slightly less secure.

    Similarly, your Widevine level will downgrade to L3, causing DRM-protected apps such as Netflix to play video content only in lower quality.

    How to unlock the bootloader on Nokia Android phones? The Nokia smartphones that can be unlocked are — Nokia 2, Nokia 2. In addition to these, the Nokia 8. Dedicated unlock methods: Nokia 6. So, we are using an alternate means to make it possible. Warning: All data on your device will be erased. So, backup all important data before unlocking the bootloader. Your warranty may be void. Install Nokia USB Drivers required : To ensure that the smartphone is properly detected by the bootloader unlock tool, make sure you install the required fastboot drivers.

    If you are not sure whether the drivers are installed or not, please run the drivers installer again. The tool offers a 1-click solution to unlock the bootloader on supported Nokia devices. Tool requirements: Microsoft Windows 7 or later having Microsoft. Net Framework version 4. Not supported on Linux or Mac. Recommended: Windows 10 with latest updates.

    Reboot the phone into bootloader fastboot mode: Now boot your Nokia smartphone to the bootloader or download mode. Follow these steps for bootloader mode: Turn off your phone. Connect the USB cable to the device. Alternatively, you can also use the command: adb reboot-bootloader to bring the phone to fastboot mode. Only 15 devices will be supported for unlocking in a day. After this further generation of OTPs will be disabled for the day. Please contact us in case you have a bulk requirement.

    Run the Unlock Tool and unlock your phone Now you can use the previously generated OTP to unlock the bootloader on your Nokia smartphone for free. Run Bootloader Unlock by tm. Connect your smartphone in fastboot mode download mode.

    Click on the Begin Unlock button. Wait for the process to complete. And follow the instructions shown in the output window. Confirm the unlock on the smartphone screen when prompted. In the standard process, you will get the unlock prompt two times. PS: The tool will try to automatically lock the device in fastboot mode. Please put the phone to fastboot mode manually if that happens.

    For 1st Gen devices like Nokia 2, 5, 6 Our unlock tool does not support the first-gen Nokia smartphones like the Nokia 2, Nokia 5, and Nokia 6. So, until such support is added, you can follow the old method by buying the bootloader unlock key and downgrading your aboot.

    Get unlock key signature : The bootloader unlock key is an encrypted file containing an encrypted string that gives the unlock permission. You can use the unlock key if your phone is on July or an older update. You should be able to unlock without making this setting change, but you ideally should enable it. Enable OEM unlocking Alternatively, you can also use the command adb reboot bootloader in the adb interface to reboot the phone to bootloader mode.

    Boot into bootloader mode: Now boot your Nokia smartphone to the bootloader or download mode. Unlock the bootloader: The final step is to connect the Nokia phone to the PC and send the bootloader unlock command along with the unlock key which you acquired earlier.

    Here are the details: Ensure that your Nokia smartphone is detected by fastboot by running: fastboot devices If your device is detected, then send the following command: Note: Replace UnlockFile. It looks like the following. Confirmation screen before unlock Complete critical unlock — Allows bootloader to be re-flashed.

    Your device will be wiped again. Be patient as the process completes. Your application bootloader aboot will be downgraded. Then go back to step 2 above and proceed with the unlock. Your bootloader should now be unlocked. If your device does not automatically reboot to Android, then use the soft reset keys to boot it back up. You can verify that the unlock is successful by following this guide. All unlocked phones will also show a 5-second warning before booting up.

    Please lock the bootloader. Share this post:.

    How to Fix “Couldn’t Verify Device” Error During Bootloader Unlock Process

    Obviously, I started searching on the forums and blogs for a solution for bootloader unlock stuck issue. Believe me, 8 out of 10 Xiaomi users have faced this issue while unlocking their bootloader. Whenever they try to unlock bootloader of Xiaomi device say, Redmi Note 3, they get current account is different from the account info on the device xxxx followed by Could not verify device error.

    Read : Redmi Note 3 : CyanogenMod After you sign in with your Mi account, it checks whether your Xiaomi device has permission to unlock the device. Then it prompts you to connect your device in fastboot mode and upon clicking Unlock button, it says current account is different from the account info on the device redmi note 3 or similar devices. I had tried almost all workarounds to fix this verification issue and finally unlocked my bootloader successfully.

    You can try sync it with your Mi cloud account to backup later. Install necessary Mi drivers on your PC. Fix it first. Remove all sorts of security from your phone including fingerprints, PINs, passwords or patterns. This is very necessary. Read thi s to disable signature verification on your Windows OS. Login to your Mi account from your phone with the mobile number and enable Find My Device option. First of all, remove fingerprint, PIN, pattern and passwords from your device.

    Now remove Mi account from the device. Add Mi account again with your account details. Turn off Find Device option on the next screen.

    Now open MiFlash Unlock tool and log in your Mi account. Once it verifies the account credentials and you get the Unlock window, turn off Internet on your computer. Wait for around 5 minutes. Now boot your phone into fastboot mode and connect to the computer. For this, head on to Mi Official Bootloader unlock page and give your account credentials. You have to download their MiFlashUnlock tool to unlock the bootloader.

    The overall process to get permission from their site is listed below. In the next page, you will be asked to give your Mi account details. Remember to give your Mobile number. Mobile verification will be initiated to your number. Enter the code in the next window. After you perform the above-mentioned steps, all you have to do is wait till you get a confirmation message saying that your unlock request has been granted.

    It would take few days to few weeks to receive the message. In my case, I got the message within 8 hours. Lucky me. Follow the below steps only after getting the confirmation message from Xiaomi. Open MiFlashUnlock tool and log in with your Mobile number and password. Do not try with Mi account ID or mail address.

    If your number is not registered, do it first. Remove all sorts of security from your phone including pattern, fingerprint, PIN, and password. Enable Find My Device in your phone and visit i. Then try to locate your phone. Then under developer options, enable the option to unlock bootloader ; OEM Unlocking.

    Now connect your phone to PC in fastboot mode and try the above mentioned unlocking steps. Instead of mobile number, log in with your Mi account ID in both phone and i.

    Finally, the sure-shot solution : wait for few more days until your device information gets updated on the Mi servers.

    Wait for the process to complete. And follow the instructions shown in the output window. Confirm the unlock on the smartphone screen when prompted. In the standard process, you will get the unlock prompt two times.

    PS: The tool will try to automatically lock the device in fastboot mode. Please put the phone to fastboot mode manually if that happens. For 1st Gen devices like Nokia 2, 5, 6 Our unlock tool does not support the first-gen Nokia smartphones like the Nokia 2, Nokia 5, and Nokia 6.

    So, until such support is added, you can follow the old method by buying the bootloader unlock key and downgrading your aboot.

    Get unlock key signature : The bootloader unlock key is an encrypted file containing an encrypted string that gives the unlock permission. You can use the unlock key if your phone is on July or an older update.

    You should be able to unlock without making this setting change, but you ideally should enable it. Enable OEM unlocking Alternatively, you can also use the command adb reboot bootloader in the adb interface to reboot the phone to bootloader mode.

    Boot into bootloader mode: Now boot your Nokia smartphone to the bootloader or download mode. Unlock the bootloader: The final step is to connect the Nokia phone to the PC and send the bootloader unlock command along with the unlock key which you acquired earlier. Here are the details: Ensure that your Nokia smartphone is detected by fastboot by running: fastboot devices If your device is detected, then send the following command: Note: Replace UnlockFile.

    It looks like the following. Confirmation screen before unlock Complete critical unlock — Allows bootloader to be re-flashed. Your device will be wiped again. Be patient as the process completes.

    How to Unlock Bootloader on Xiaomi Mi A2/A2 Lite

    Your application bootloader aboot will be downgraded. I had tried almost all workarounds to fix this verification issue and finally unlocked my bootloader successfully. You can try sync it with your Mi cloud account to backup later. Install necessary Mi drivers on your PC. Fix it first. Remove all sorts of security from your phone including fingerprints, PINs, passwords or patterns. This is very necessary. Read thi s to disable signature verification on your Windows OS.

    Login to your Mi account from your phone with the mobile number and enable Find My Device option. First of all, remove fingerprint, PIN, pattern and passwords from your device. Now remove Mi account from the device. Add Mi account again with your account details. Turn off Find Device option on the next screen. Now open MiFlash Unlock tool and log in your Mi account. Once it verifies the account credentials and you get the Unlock window, turn off Internet on your computer. Nexus phones are all unlockable by nature, and many phones from Motorola and HTC allow you to unlock your bootloader through a similar process as the Nexus.

    [Guide] How to unlock the bootloader on Nokia Android Phones for free

    If you have one of those phones, this guide will sadly not help you. The best way to find out which category your phone falls into is to browse its section at XDA Developers. Advertisement If your phone does support unlocking through more official channels, read on. So if you have any photos or other files on your phone that you want to keep, transfer them to your computer now.

    In addition, if you have any app settings you want to keep, use their backup function to create a backup settings file, and transfer those to your computer as well. Install the USB drivers for your phone. Motorola or HTC.


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