How to unlock Redmi Note 7 (M1903C3EG): the official way and circumvent the restrictions

Redmi Note 7

M1903C3EG

Xiaomi

bootloader

root-right

Mi Account

Custom ROM

The process of official unlocking through the Mi Unlock Tool has changed since 2020, now requiring an account to be linked to a device and waiting 7-30 days (depending on Xiaomi policy). In this article, we will discuss all the current ways to unlock the Redmi M1903C3EG, including bypassing restrictions if the official method does not work. Also consider typical errors (for example, Couldn’t unlock or This device is locked) and their solutions.

⚠️ Important: Unlocking the bootloader resets all data on the device and can lead to loss of warranty. If the phone is purchased on credit or lease, check the terms of the contract before starting the procedure.

1.Preparation of the device: what to do before unlocking

Before you start unlocking the Redmi M1903C3EG, you need to follow several critical steps, and skipping any of them can lead to errors such as Current account is different from the account info on the device or a complete lock of the phone.

One is to link your Mi Account to your device.

    Second, enable USB debugging and OEM unlocking:

      Third, check out the MIUI version. At the time of writing (2026), the official Mi Unlock Tool only works with firmware no older than 2 years. If you have a MIUI 12.5 or newer, upgrade to the latest stable version via Settings → System Update.

      Mi Account Linked to Device

      USB debugging and OEM unlocking enabled

      The latest version of MIUI (not beta!) is installed.

      Battery Charge > 60%

      Original connected USB-cable (not wireless charging!)

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      2.Official unlocking via Mi Unlock Tool

      The safest way to unlock the Redmi M1903C3EG is to use Xiaomi’s official Mi Unlock Tool, but since 2021, the company has tightened the rules: it now requires a wait of 168 hours (7 days) after an account is linked, in some cases extending the period to 30 days.

      Step-by-step:

      1. Download Mi Unlock Tool. The official version is available at en.miui.com/unlock (authentication required).
      2. Install drivers. Connect your phone to your PC in Fastboot mode (click Volume Down + Power When the device is off) and wait for the Android ADB Interface drivers to install.
      3. In the program, press Unlock, and if done correctly, a waiting timer (e.g., 167 hours left) will appear.

      After the waiting period expires, repeat the procedure:

      1. Click Unlock in Mi Unlock Tool.

      ⚠️ Note: If the Couldn't unlock error occurs when unlocking.This device is locked by Mi Cloud, then the account is not tied to the device or another Mi Account is used.

      Less than 7 days

      Exactly 7 days (168 hours)

      More than 7 days (up to 30 days)

      I never waited. It was a mistake.

      -->

      3. Alternative ways to unlock (if the official one does not work)

      If the Mi Unlock Tool is giving you errors or the waiting time is too long, you can try workarounds. They are less reliable and can lead to blocking. IMEI Or "brick," but in some cases, they help. M1903C3EG.

      Method 1: Unlocking with EDL (Emergency Download Mode)

      This method requires a special cable (EDL cable) or short circuit test points on the board, suitable for devices with damaged firmware or if the password from Mi Account is forgotten.

      1. Download the firmware for Redmi Note 7 in.tgz format (for example, from the Xiaomi Firmware Updater website).
      2. Install Qualcomm QDLoader Drivers and Mi Flash Tool.
      3. Put your phone in EDL mode (closing contacts or via fastboot oem edl if OEM unlocking is enabled).
      4. In the Mi Flash Tool, select the downloaded firmware and press Flash.

      ⚠️ Attention: Use EDL Without official permission, Xiaomi may be blocked. IMEI. This method is recommended only for advanced users or if the phone is already a brick".

      Method 2: Bypassing waiting through a region shift

      Some users report that the waiting period in the Mi Unlock Tool is shortened if you change the region of your Mi Account to India or Russia.

      1. Go to account.xiaomi.com.
      2. In your account settings, look for Country/Region and change to India.
      3. Confirm the change via SMS.
      4. Repeat the unlocking procedure in the Mi Unlock Tool.

      In some cases, the wait is reduced to 24-72 hours, but there are no guarantees, and after the change of region, you may experience problems with payment in the Mi Store.

      What if the Mi Unlock Tool says “This device is bound to another account”?
      This error means that the phone was previously linked to another Mi Account (e.g., when buying used).Solution: 1. Ask the previous owner to untie the device via account.xiaomi.com (Devices section). 2. If you can’t contact us, try resetting via fastboot oem remove-frp (not working on all versions). MIUI). 3. In the extreme case, use EDL-Firmware (risk of blocking) IMEI).

      4. Typical errors and their solutions

      When you unlock the Redmi M1903C3EG, you will encounter several common errors, and here is a table of causes and solutions:

      Mistake.Reason.Decision
      Couldn’t unlock. This device is locked by Mi CloudThe account is not linked to the device or is used by another Mi Account.Do a reset via fastboot, link the account again and re-unblock.
      This device is bound to another accountThe phone is linked to the previous owner’s account.Untie the device via account.xiaomi.com or use EDL.
      Wait for device in Mi Unlock ToolThe ADB/Fastboot drivers are not installed or the cable is faulty.Install drivers manually through Device Manager or try another one USB-cable (preferably original).
      Unlock time not reachedThe waiting period (168+ hours) has not expired.Wait until the time is set or try to change your account region to India.
      Invalid tokenFailure of authorization in Mi Unlock Tool.Reinstall the program, clear the cache or log in via a VPN (China region).

      If none of the methods worked, check:

      • 🔹 Version MIUI — On some beta firmware, unlocking is not possible.
      • 🔹 Account status – if Mi Account is blocked or not confirmed, unlocking will not be allowed.
      • 🔹 Phone status – if the device was under repair under warranty, the bootloader could be blocked again.

      💡

      If the Mi Unlock Tool doesn’t see the device in Fastboot mode, try running the program on behalf of the administrator or temporarily disabling the antivirus (for example, Avast or Kaspersky can block drivers).

      5.What to do after successful unlocking

      When you unlock the bootloader on the Redmi M1903C3EG, you get new opportunities, but you also get risks.

      1. Installation of custom recaveri (TWRP)

      Installation of informal firmware (Custom ROM) or backups will require TWRP Recovery.

      1. Download the current version of TWRP for Redmi Note 7 (for example, from twrp.me).
      2. Reboot your phone in Fastboot and execute the command: fastboot flash recovery twrp-3.7.0_9-0-lavender.img
      3. Then reboot to Recavator: fastboot boot twrp-3.7.0_9-0-lavender.img

      2. Obtaining root rights (Magisk)

      For full control of the system, install Magisk:

      1. Download the latest version of Magisk from GitHub.
      2. Move the Magisk-v26.4.zip file to your phone.
      3. In TWRP, select Install → Specify archive with Magisk → swipe for confirmation.

      ⚠️ Note: After getting root, some banking applications (such as Sberbank Online or Google Pay) may stop working.The solution is to use the MagiskHide Props Config module to mask the root.

      Installation of custom firmware

      The following are the Redmi Note 7 firmware:

      • 🔄 LineageOS – pure Android without branded Xiaomi apps.
      • ⚡ Pixel Experience – firmware with the interface and features of Google Pixel.
      • 🛡️ Havoc-OS - customizable firmware with many settings.

      Before installation, be sure to back up through TWRP (Backup section), as not all firmware runs on the M1903C3EG.

      💡

      Once the bootloader is unlocked, Xiaomi automatically resets the warranty. If you plan to contact the service center, return the stock firmware and lock the bootloader back (fastboot oem lock command).

      6. How to lock the bootloader back (if necessary)

      If you're selling a phone or want to get your warranty back, you can re-lock the bootloader.

      1. Install stock firmware via Mi Flash Tool (select the clean all and lock option).
      2. Or run the command in Fastboot: fastboot oem lock
      3. Reset the device.

      ⚠️ Note: After locking the bootloader, all data will be erased, and the ability to unlock again will not appear until 7-30 days. EDL.

      7. Frequent Questions (FAQ)

      Can I unlock the Redmi M1903C3EG without waiting 7 days?
      Officially, no. But some users are shortening the waiting time by changing their account region to India or using a VPN with Chinese IP. There are no guarantees, since Xiaomi regularly updates its verification algorithms.
      What if the phone doesn’t turn on after unlocking?
      Solution: Try to reflash the stock firmware through the Mi Flash Tool in EDL mode. If the phone vibrates but doesn't load, check if the firmware persist has crashed (you need to flash it separately).
      Can I unlock Redmi Note 7 with my Mi Account blocked?
      If the previous owner has not untied the account, official unlocking is not possible: 🔓 Ask the previous owner to untie the device via account.xiaomi.com. 🔧 Use it. EDL-Firmware (risk of blocking) IMEI). 💰 Contact the service center for paid unlocking (cost) ~1500–3000 ₽).
      Does the unlock work on the Redmi Note 7 Pro (M1901F7G model)?
      No, the instruction in this article is only suitable for the Redmi Note 7 (M1903C3EG). The unlocking process is different for the Note 7 Pro (other drivers and versions of the Mi Unlock Tool).
      Can I get root without unlocking the bootloader?
      No. All Xiaomi smartphones from 2018, root rights are only available after unlocking the bootloader. Alternative methods (for example, through vulnerabilities in MIUI) are closed in the latest firmware versions.