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How to Install Stock ROM on Huawei Honor 10i Harry-L21CT [Firmware flash file] | GETDroidTips

How to Install Stock ROM on Huawei Honor 10i Harry-L21CT [Firmware flash file]

On this page, we will guide you on how to install the official stock ROM flash file on your Huawei Honor 10i Harry-L21CT. Well, the device runs out of the box...

Abd Razaaq

Last updated on November 16, 2020

Abd Razaaq

Author

I'm a Tech Content Writer and Full-Time blogger. Since I love Android and Google's device, I started my career in writing for Android OS and their features. This led me to start "GetDroidTips". I have completed Master of Business Administration at Mangalore University, Karnataka.

On this page, we will guide you on how to install the official stock ROM flash file on your Huawei Honor 10i Harry-L21CT. Well, the device runs out of the box with Android 9.0 Pie which is powered by the HiSilicon Kirin 710 processor. It received the Android 10 update later.

To install the firmware flash file on Huawei Honor 10i Harry-L21CT, you need to download the software called Huawei Flash tool. This method simple and easy.

Huawei Honor 10i

Stock ROM and its importance in Smartphones

Stock ROM is the operating system that comes pre-built when you buy the device from a retailer. Usually when a person needs to customize his device with custom ROMs and other modifications he opts to move on from the stock firmware. However, when things go wrong during any modification, reverting back to the stock ROM is the only option that can solve this issue.

By installing a stock ROM you can solve the issue of boot loop, device bricking. Besides, you can perform a system OS upgrade or downgrade as per your choice.

Advantages

Flash Stock to unbrick your Huawei Honor 10i device
Fix the device boot loop issue
Upgrade and Downgrade your phone software version
Flash Stock ROM to unroot the device
Fix bugs or lag or stutter on Huawei Honor 10i device
Increase software performance, battery draining issue, OTA update issue
Gain phone warranty again (if applicable)

Steps to Flash Firmware File on Huawei Honor 10i (Harry-L21CT)

Now, before we get straight to the installation guide, make sure to follow the prerequisites section below and make sure you download the flash tools and drivers on your PC.

Requisites

The stock firmware provided here is for Huawei Honor 10i (Harry-L21CT). Do not flash it on any other phone.
We recommend having at least a 50% charge on your device before installing the firmware.
A PC or Laptop.
Make sure to take a backup of your device data. You can back up your phone Without Root.
Alternatively, if you have TWRP Recovery installed on your device, you can create Nandroid Backup through TWRP Recovery.
Download Huawei Multi-Download Tool on your PC and install it.
Download Huawei USB Drivers on your PC
You will also require Download Huawei Handset Product Line Driver and install it.

Disclaimer

GetDroidTips will not be responsible for bricking, hardware, or any kind of software problems arising on your while you follow this guide to install stock ROM on your phone. First, understand the tutorial and then follow it at your own risk.

Stock Firmware Information

Firmware

Device Supported: Huawei Honor 10i
Model: Harry-L21CT
Android OS: 10.0
User interface (UI): EMUI 10.1
Processor: HiSilicon Kirin 710
File: Software Update
Gapps File: Included

Now, grab the stock firmware for the Huawei Honor 10i from the link below.

Download Flash Files

Flash File Name: Huawei_Honor_10_Lite_Harry-L21B_10.0.0.215_C432E9R3P1_EMUI10.0.0_05015NAK_Dload
File Size: 5 GB
Download Link: Click Here | Mirror

Upgrade using OTG Adapter or OTG Cable+USB Memory

Download the dload firmware from the above link, extract it and copy the same to your USB memory stick. Make sure it is formatted as exFat or NTFS.
Factory reset your device from the Settings option (optional). Once done, power it off.
Now connect the memory stick using an OTG cable to your device. Make sure it has all the three extracted files from the dload firmware.
Press the Power button and as it vibrates and shows the Huawei+Android logo, presses the Power button three times. Doing so will make your device to reboot to eRecovery mode.
In that menu, select Update Mode, then select the Memory card/OTG update mode. The update will now start.

So these were the steps to install the stock dload firmware on Huawei Honor 10i using the memory stick. Let’s now have a look at how the same could be done via NM Card.

Install Dload Firmware using Huawei NM Card

Extract the stock firmware and place the three extracted files to the Huawei NM Card.
Factory reset your device (optional) and then power off your device.
Press the Power button and as it vibrates, it will show the Huawei+Android logo. In this instance, press the Power button 3 times. This takes you to the eRecovery mode.
Select Update mode from the menu and select Memory Card/OTG Update mode. The update will then start.

However, if you wish to carry out the update from the system itself, then follow the instructions mentioned in the next section below.

Update from System

Extract the dload stock firmware of Huawei Honor 10i and transfer the three extracted files to the Huawei NM Card or to the memory stick.
Now head over to the dialer and enter *#*#2846579#*#*. From the menu that appears, select the Software Update option.
After that, select the Memory Card Upgrade. The system will now read files from the inserted SD card/USB storage or NM Card and will subsequently flash the file.
When the installation is complete, you could safely remove the OTG.

For Installation via Huawei Multi-Download Tool, follow this

Full Instruction Guide

So, that’s all about how to install stock ROM on Huawei Honor 10i. We hope this tutorial was useful to you. If you find any difficulties or have any doubt, do let us know.