I am currently building a python script to generate codes for Huawei P20 (EML-L29) bootloader. So far, I have to deal with these things in order to make it work: - the code is a 16 digit number. the last tried code is stored in a txt file to resume if anything crashes and it goes up incrementally. the code usually starts with 15XXXXXXXXXXXXXX. Our online Huawei code calculator provides free Huawei unlock code, frp reset key, bootloader password and simlock code. All Huawei devices supported Contact us: admin@huaweicalculator.com. How to Unlock ZTE modem and phone for free using Univeral Master Code The huaweicodecalculator website gives unlock code v1, v2 and v3.

WARNING:
If your phone runs Android 8 or later with latest security patch - then this service won't work! For devices with Android 8 and later check this guide HERE

Step 1

IMPORTANT: Connect phone to PC. Then, enable 'manufacturer mode' on your phone. This is done by entering in dial pad code *#*#2846579#*#* (On tablets without dial pad use inbuilt calculator in landscape mode to dial ()()2846579()()= marked in red), select 'Project Menu', 'Background settings', 'USB ports settings', 'Manufacture mode'.

Step 2

Install drivers for your phone by downloading and installing HiSuite software. After driver installation your phone in device manager should look like in the image below or appear under 'Ports' section at least.

Step 3

Launch DC-unlocker software

Step 4
Detect device by selecting Huawei phones from manufacturers drop down menu list, 'Select model' leave on Auto detect (recommended), then read the info on software for how to correctly prepare phone for detection. After phone is prepared, connected to PC and it's drivers installed, click magnifying glass button

Step 5

Wait till program detects it

Step 6

Open Server tab, enter your username and password that you received after credits purchase. Click 'Check login' button (You can buy credits here www.dc-unlocker.com/buy). If DC-Unlocker/Vygis/Rocker/Infinity dongle is connected, only click ' Check login '

Step 7

Open Unlocking tab, click “READ BOOTLOADER CODE” button

Step 8

Wait for code to be provided

You can restore phone now to it's original mode, otherwise it might not function properly

WARNING: Credits lost for reading bootloader code on not support models are not returned or refundable!

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Huawei Unlock Bootloader Code Calculation Formula

Officially supported models for bootloader unlock code reading here