Redmi M1810F6LG Unlocks: From bootloader to Mi Account

Redmi M1810F6LG — One of the most popular models of Xiaomi 2018–2019 years known as the Redmi 6/6A or Redmi S2 Despite the age, the device is still in active use, but owners often face the need to unlock: whether it is a bootloader to install custom firmware, unbinding the Mi Account after buying a used phone or bypassing the device. FRP-Google account blocking. In this article, the current 2026 year-long unblocking methods tested for M1810F6LG latest-edition MIUI.

It is important to understand that the procedures for this model have nuances: for example, the official Mi Unlock Tool may not work on new versions of MIUI without prior preparation, and FRP circumvention requires specific actions due to the features of the Qualcomm Snapdragon 625 chipset. We will analyze all scenarios - from legal methods to alternative solutions when standard methods do not work.

1.Preparing the phone for unlocking: what to do before you start

Before you start unlocking, you need to follow a number of mandatory steps, and ignoring them can lead to a “brick” (complete failure) of the device or lock for 72 hours.

First, check the MIUI version and the status of the bootloader.

1. Go to Settings → About Phone → MIUI version.
2. Tap 7 times on the kernel version line to activate Developer Mode.
3. Return to Settings → Additional → For developers and enable OEM unlocking and USB debugging.
4. Connect your phone to your PC and type the command into ADB: adb shell getprop ro.boot.bootloader If the answer is unlocked, the bootloader is already unlocked. If locked, unlock is required.

Second, make sure that the phone is not sensitive data – unlocking the bootloader or resetting to factory settings will remove it without recovery. Also make sure that the Mi Account is not tied to another device (this can block the process).

Make a backup copy of the data|Check the version. MIUI and loader status|Turn on OEM-unlocking USB|Make sure you are not linked to another Mi Account|Charge your phone at least 60%-->

2. Official unlocking of the bootloader via Mi Unlock Tool

The safest way to do this is to use the official tool from Xiaomi, but there are limitations to the Redmi M1810F6LG:

• 🔹 The phone must be linked to your Mi Account for at least 7 days (rule introduced in 2021).
• 🔹 Version. MIUI It should not be more than 12.5 - on more recent firmware, the Mi Unlock Tool can give a Couldn't unlock error.
• 🔹 You can unlock no more than 1 device in 30 days on one account.

Step-by-step:

1. Download Mi Unlock Tool (version no lower than 5.5.224.30).
2. Sign in to the tool under the same account as on the phone.
3. Put the phone in Fastboot mode: turn it off, then press Volume down + Power.
4. Connect your phone to your PC and press Unlock in the program. It takes 1-3 minutes.

If you have a Couldn’t verify device or Current account is different from the account info on the device, try:

• 🔄 Reconnect your Mi Account (exit and log in again on your phone).
• 🔄 Use an older version of the Mi Unlock Tool (e.g. 3.5.1118.43).
• 🔄 Roll back the firmware to MIUI 11 via Fastboot (instructions in the next section).

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If the Mi Unlock Tool doesn’t recognize your phone, try connecting it to another phone. USB-port (preferably 2.0) or use the original Xiaomi cable. USB 3.0 ports cause conflict.

3. Alternative methods of unlocking the bootloader

If the official way didn't work, there are workarounds, which require more time and technical skills, but often save in difficult cases.

Method 1: Unlocking with EDL (Emergency Download Mode)

This method works even on locked phones, but requires an authorized Xiaomi account to access EDL.

1. Download Mi Flash Pro and firmware for M1810F6LG in.tgz format.
2. Transfer the phone to EDL mode: adb reboot edl If the phone doesn't respond, use Testpoint (closing contacts on the board).
3. In Mi Flash Pro, select the firmware and press Flash. After successful firmware, the bootloader will be unlocked.

Method 2: Using a vulnerability in MIUI 10/11

For devices on MIUI 10.3–11.0.3 There is an exploit that allows you to unlock the bootloader without waiting 7 days. ADB:

1. Install Magisk on your phone (root required).
2. Download the module. Disable_Miui_Anti_Rollback.zip Activate it in Magisk Manager.
3. Restart your phone and try unlocking through the Mi Unlock Tool.

4 Unblocking the Mi Account (Bypassing the Linking)

If you bought a Redmi M1810F6LG from hand and the previous owner did not untidy his Mi Account, the phone will require a login and password when resetting or flashing. Officially, you can only untidy the binding through the previous owner, but there are workarounds.

Method 1: Recovery and Fastboot modes

• 📱 Transfer the phone to Recovery (Loudness up) + Nutrition).
• 📱 Select Wipe Data (Reset to factory settings).
• 📱 Once the phone is restarted, it can request Mi Account details:

1. Connect your phone to Wi-Fi.
2. Go back to Fastboot and go through. anti_rollback-firmware through Mi Flash.
3. After the firmware, the account will be reset.

Method 2: Using a vulnerability in the Find Device service

This method works if the previous owner has not disabled the Find Device feature:

1. Go to i.mi.com.
2. Enter the account details associated with the phone (if you can find them).
3. In the Find Device section, select Erase Device – this will reset your phone and untie your account.

Through Recovery and firmware | Through Find Device |Turned to the previous owner |Another way-->

5. bypass FRP (Google account) on Redmi M1810F6LG

FRP (Factory Reset Protection) is Google’s protection, which is activated after resetting settings, if an account was attached to the phone. On the Redmi M1810F6LG, bypassing is possible via TalkBack or ADB mode.

Method 1: TalkBack (for MIUI 9–11)

1. On the welcome screen, press Emergency Call.
2. Type #4636## and select Usage statistics.
3. Click on the Settings icon in the upper right corner.
4. Turn on TalkBack, then go back and turn it off through the accessibility settings.
5. You can now go to Settings and add a new Google account.

Method 2: ADB (for MIUI 12+)

PC and USB debugging enabled (if not disabled after reset):

1. Connect your phone to your PC and open the command line.
2. Enter: adb shell am start -n com.google.android.gsf.login/com.google.android.gsf.login.LoginActivity
3. The phone will open a Google account login window – add a new account.

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Bypassing FRP through ADB only works if USB debugging is enabled before the reset, and if it's disabled, only firmware through EDL will help.

6. Frequent errors and their solutions

Unlocking Redmi M1810F6LG is often accompanied by errors.

Mi Account Locked for 72 Hours

This lock occurs after several failed attempts to enter a password or unlock.

• 🔓 Wait 72 hours (blocking will be automatically removed).
• 🔓 Contact Xiaomi support and provide proof of phone ownership (check, photo box with) IMEI).

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If the Mi Unlock Tool is giving you a Server is busy error, try using a VPN with servers in China or India – sometimes this helps to get around the restrictions.

7. Firmware after unlocking: what to do next

After successful unlocking of the loader, you can install custom Recovery (for example, TWRP) Or alternative firmware (such as LineageOS or Pixel Experience). M1810F6LG The following steps are recommended:

Installation of TWRP

1. Download TWRP for Redmi 6A (suitable for M1810F6LG).
2. Transfer your phone to Fastboot and swipe the recoveries: fastboot flash recovery twrp.img fastboot boot twrp.img
3. In TWRP, make a backup of the persist partition (important for IMEI!).

Installation of custom firmware

• 📦 Download firmware in.zip format (for example, Havent) OS Or CrDroid for Redmi. 6/6A).
• 📦 Move the file to the phone and install it through TWRP (section).
• 📦 After installation, the Magisk scheque for root rights (optional).

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Before you install custom software, be sure to check compatibility with the M1810F6LG model. Firmware for Redmi 6 Pro (M1903F11G) will not work!

8. Security after unlocking: how to avoid problems

Unlocked bootloader and custom firmware open up new opportunities, but also create risks:

• 🛡️ Malware Vulnerability – Without Official Security Updates, Phone Becomes a Target for Attacks.
• 🛡️ Loss of warranty – Xiaomi cancels warranty if unlocked bootloader is detected.
• 🛡️ Problems with banking applications – many banks block work on phones with root rights.

To minimize the risks:

• 🔒 Regularly update custom firmware (watch for security patches).
• 🔒 Use Magisk Hide to Hide Root Rights from Banking Apps.
• 🔒 Install AFWall+ for controlling network access of applications.

⚠️ Warning: If you sell the phone after unlocking, be sure to return the official firmware and lock the bootloader back.The buyer may face problems when upgrading. MIUI, if the loader remains unlocked.

FAQ: Answers to Frequent Questions