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Update README
* add short manual * remove donation links and funding file
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Andrey Smirnoff
GitHub
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.github/FUNDING.yml
vendored
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.github/FUNDING.yml
vendored
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ko_fi: certs
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custom:
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- http://paypal.me/teegris
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- https://buymeacoffee.com/teegris
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Subproject commit 66c21c016a6acb2fa74caec32563dec2be8616d9
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Subproject commit 4755428d3dfc2e990ee26139db967db77e799afd
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README.md
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README.md
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## Download
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### 👉 [Click here to download the latest version](https://github.com/mashed-potatoes/PotatoNV/releases/download/v2.2.1/PotatoNV-next-v2.2.1-x86.exe).
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### 👉 [Click here to download the latest version](https://github.com/mashed-potatoes/PotatoNV/releases/download/v2.2.1_2022.03/PotatoNV-next-v2.2.1_2022.03-x86.zip).
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Get binaries for Windows in [the releases section](https://github.com/mashed-potatoes/PotatoNV/releases).
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For Linux or macOS consider using the [PotatoNV-crossplatform](https://github.com/mashed-potatoes/PotatoNV-crossplatform).
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## Getting started
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## User manual
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Just follow this video guide: https://www.youtube.com/watch?v=YkGugQ019ZY.
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Follow the [video guide](https://www.youtube.com/watch?v=YkGugQ019ZY) or read the manual below.
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## How it works (in a nutshell)
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### Make sure your device is compatible
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0. Are you sure you're actually using a Huawei/Honor device?
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1. Open the Settings → About phone. Check the CPU: it should be _**HiSilicon Kirin** \*\*\*_. If it is not your case (MediaTek, Qualcomm), then alas, your device is not supported. :(
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2. Okay, now you know CPU model. It should be one of these modification:
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- Kirin 620
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- Kirin 650
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- Kirin 658
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- Kirin 659
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- Kirin 925
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- Kirin 935
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- Kirin 950
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- Kirin 960
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3. Don't worry if CPU is not listed above – ask for a special bootloader for your device in the support chat **if it's older than 4 years** (date of manufacture is 2018 or earlier).
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4. **100% incompatible CPUs: Kirin 710, 710A, 710F, 810, 980, 985, 990 & newer.**
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### Getting inside
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The first step is the most difficult thing to do. You need to disassemble your device: this is necessary in order to access the contacts on the motherboard.
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If you're not sure that you have enough experience to disassemble the device, then consider using paid software, that supports _"software testpoint"_.
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> ⚠️ **I strongly recommend watching video manuals for disassembling your device.**
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> ⚠️ **Be extremely careful with planar cables!**
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> These cables are used in tablets, as well as in phones with a fingerprint scanner on the back cover.
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You will need: a hair dryer, a guitar pick or a plastic card, conductive tweezers and maybe a screwdriver.
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1. Turn off the device.
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2. Heat the back cover evenly with a hair dryer.
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3. After a couple of minutes, try to stick the plastic card into the corner between case and lid, try to lift the edge and then deepen the card.
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4. Move around the perimeter of the back cover, peeling off glue.
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5. Now you can remove the back cover.
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### Entering download mode
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It's time to Google. You need to find the location of a special point on the motherboard – testpoint.
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> 💡 If you are wondering why you need to do something with the unfortunate testpoint, then read [the contents of the spoiler below](#how-it-works).
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To search, use the model name before the hyphen + "testpoint".
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For example for Honor 9 Lite (LLD-L31) you should Google ["lld testpoint"](https://www.google.com/search?q=lld+testpoint&tbm=isch).
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<details>
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<summary>An example how a typical testpoint photo looks like.</summary>
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</details>
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The marks may vary:
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1. Only one point is marked in the photo.
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2. In the photo, a line is drawn between the point and the metal shield.
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3. In the photo, a line is drawn between two points.
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Here you will need sleight of hand: try to short-circuit the point and the metal shield (in option 1 and 2), or short-circuit both points (option 3) with tweezers.
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Without removing the tweezers, connect the USB cable to the computer.
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After 3 seconds, the tweezers can be removed.
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Open the "Device Manager" – you should see an unknown device named `USB SER`, or Serial Port `HUAWEI USB COM 1.0`.
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If the device has not been detected, make sure you are using a good cable, the tweezers are not a dielectric, and you are shorting the desired point.
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### Unlocking the bootloader
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- Install [HiSuite](https://consumer.huawei.com/en/support/hisuite/).
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- Install [Huawei Testpoint Drivers](https://files.dc-unlocker.com/share.html?v=share/18B15B9D02C945A79B1967234CECB423).
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- Download [the latest release](https://github.com/mashed-potatoes/PotatoNV/releases) of PotatoNV.
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- Start PotatoNV.
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> 💡 All bootloaders are flashing to RAM, so an incorrect bootloader cannot harm the device.
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> 💡 `Disable FBLOCK` checkbox disables a special securtiy check.
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> That modification allows you to flash/erase secure partitions or execute oem commands,
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> that are not available with normal unlocking by unlock code \[`USERLOCK`].
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> ⚠️ `FBLOCK` unlocking works correctly only on devices with Kirin 960 or Kirin 65x.
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> Disabling this option can cause serious problems on legacy devices.
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Okay, now refer to [this table](#tested-devices) and select the appropriate bootloader.
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Press the Start button. 🪄
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The procedure will take no more than a minute.
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The program should write a new unlock code, keep it in a safe place.
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Reboot your device to fastboot mode and execute following command on the host machine:
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```shell
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fastboot oem unlock YOUR_CODE_HERE
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```
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have fun.
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<!-- right, anti? :) -->
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## How it works
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<details>
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Even before creating PotatoNV, [@TishSerg](https://github.com/TishSerg) discovered that unlock key can be rewritten with the **SHA256 hash** of the desired key to the `USRKEY` property. However, to access **_NVME_** _(a raw partition that stores stuff like serial number, device traits, etc.)_, a user should flash _custom_ recovery or gain temporary root privileges. But both methods are complex and are not guaranteed to work. After researching the legacy bootloader of some Huawei devices, I've found a `nve` command, which allows to read or write any property in the **_NVME_** partition. Of course, this command requires an unlocked bootloader.
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So it remains to find a way to quickly unlock the bootloader. The way out is quite simple - use the bootloader from the board software.
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@ -30,12 +129,13 @@ After uploading the bootloader, the device should switch to the fastboot mode. T
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So, we're just going to send a command through the USB bulk interface to write SHA256 hash to USRKEY and reboot the device.
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That's it.
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</details>
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## Tested devices
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Device | Model | Bootloader
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------ | ----- | ----------
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Huawei P8 Lite (2015) **(!)** | `ALE` | Kirin 620
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Huawei P8 Lite (2015) | `ALE` | Kirin 620
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Huawei Y6II | `CAM` | Kirin 620
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Honor 5C / 7 Lite | `NEM` | Kirin 65x (A)
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Honor 7X | `BND` | Kirin 65x (A)
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@ -50,6 +150,8 @@ Huawei Y9 (2018) | `FLA` | Kirin 65x (A)
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Huawei MediaPad M5 Lite | `BAH2` | Kirin 65x (B)
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Huawei Nova 2i / Mate 10 Lite | `RNE` | Kirin 65x (B)
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Huawei P Smart 2018 | `FIG` | Kirin 65x (B)
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Honor 6 Plus | `PE` | Kirin 925
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Huawei P8 | `GRA` | Kirin 935
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Honor 8 Pro / V9 | `DUK` | Kirin 950
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Honor 8 | `FRD` | Kirin 950
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Huawei P9 Standart | `EVA` | Kirin 950
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@ -62,13 +164,15 @@ Huawei P10 | `VTR` | Kirin 960
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## Donate
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**It would be much appreciated if you want to make a small donation to support my work!**
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~~It would be much appreciated if you want to make a small donation to support my work!~~
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PayPal: http://paypal.me/teegris.
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All my accounts are blocked due to the political situation. So nvm! :)
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Buy Me a Coffee: https://www.buymeacoffee.com/teegris.
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Thank you, Martin, Moisés, Tibor, Emanuele & all those I've forgotten (sorry!).
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Ko-Fi: https://ko-fi.com/certs.
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### Sponsored by JetBrains
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<img src="https://resources.jetbrains.com/storage/products/company/brand/logos/jb_beam.svg" alt="JetBrains logo." width="120">
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## License
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