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Posted on 11/5/2018 2:33:20 PM
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Because Huawei officially closed the application channel for unlock codes in July and August this year, this makes it extremely difficult for users to obtain unlock codes, or even impossible, to obtain unlock codes and unlock BL locks, how important this is, I will not repeat it here, as long as you know that you want to flash third-party ROMs, official ROMs or revive mobile phones that cannot be booted normally due to non-hardware failures, you basically have to unlock the BL lock first.
1: Get the unlock code
Connect to USB debugging (Settings - > About the phone - > version number (not the system version number), click continuously to enable developer options), and then you can connect to the computer (select PC assistant (HiSuite) for the USB connection method in the mobile phone) (detailed connection method, there are also hints in the mobile phone page, I won't repeat it here, I believe that playing this is not so white).
After successfully connecting, you can see the information of the mobile phone in the Autumn Box (that is, the tool in Figure 1), click the ADB command line, and enter CMD.
Enter the following commands:
Some of the cmd output is hidden because of markdown, but it doesn't matter, if you want to see it, just select the content above.
The actual execution effect and the imprecise explanation of some code are shown in the figure below:
The green box part is the code to be executed, copy it directly above, right-click and paste (win10), enter to execute, line and return;
The files in the red box need to be modified according to your own reality, such as staroge/sdcard1 This is to create PartitionBackup on the SD card, you can also change it to sdcard0 to build, this is built in the internal storage;
if=/dev/block/platform/ff1fe000.dwmmc0/by-name/nvme The red box part of the diagram, ff1fe000.dwmmc0 This path is modified according to your actual nvme location, you can install an RE file manager, starting from the root directory, root directory /dev/block/platform/different models/by-name/nvme
As for the final grep WVDEVID -B 1 after execution, if it is a string of 16 digits, it is an unlock code, if it is the same as in the picture, it is a prompt not found, then it doesn't matter
After executing the above three dds, under the PartitionBackup folder you created (it may be under storage/sdcard1 or storage/sdcard0, depending on the PartiotionBackup you created under that path before), there will be three more files, namely nvme, oeminfo, recovery, these three files are saved, You may need to re-lock it later (if you need to). The unlock code we want is in nvme, we copy it to the computer, use WinHex to open the nvme file (WinHex is provided in the network disk link shared above), Ctrl+F search for WVLOCK, and get the unlock code, as shown in the figure below:
2: Unlock BootLoader
After passing through the above operations, we can unlock our mobile phone, we can directly use the Huawei mobile phone toolbox to unlock, the tool will be provided at the bottom of the post.
Before unlocking, turn off the "phone recovery" function (if you don't use Huawei's cloud service, it seems that you don't need to do this, anyway, pay attention)
As shown in the picture, click the unlock BootLoader button, fill in the unlock code in the pop-up window, and the phone will restart to FASTBOOK mode, see if the display below the Android robot is "PHONE Unlocked", if so, the unlock is successful.
After that, you can press and hold the power button to force shut down and restart the system to enter the system.
3: About the lockback
The lockback does not seem to use the above three files, and only needs to be restored to the complete official firmware to automatically relock.
A long-winded sentence here: The unlock code is common to all versions (referring to this machine)
So, don't worry about whether the previous unlock code will not be available after being upgraded.
Tool Download:
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Posted on 11/6/2018 10:06:00 AM
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