Xiaomi Mi 9T (also known as the Redmi K20 in some regions) – a popular smartphone with a retractable front camera and AMOLED-It's a display, but it's often a challenge for owners to unlock, and it could be about selling the device, installing custom firmware, or restoring access after resetting. Unlike most Android devices, unlocking a bootloader on Xiaomi requires official permission from the manufacturer, and deleting a tied Mi Account has its nuances.
In this article, we will discuss all the current methods of unlocking Mi. 9T 2026: From the official bootloader unlocker (Mi Unlock Tool) to the bypass FRP-Factory Reset Protection and deletion of your Mi Account without password. IMEI Incorrect actions are a critical problem for Mi. 9T, Xiaomi has tightened its security policy since 2021.
1.Preparation for Unlocking: What to Do Before Starting
Before you start unlocking, make sure all the preconditions are met, and ignoring them can lead to a soft breeze (the device does not boot but responds to a PC connection) or even loss of IMEI.
For Xiaomi Mi 9T, it is critical:
- 🔋 Battery charge of at least 60% – when discharged during the process, the device can go into mode EDL (emergency firmware), which will require specialized equipment for recovery.
- 📥 Installed the latest versions of Mi Unlock Tool (download only from the official Xiaomi website) and Qualcomm drivers for your OS.
- 🔑 Find Device is disabled in Mi Account settings – otherwise unlocking the bootloader will be impossible.
- 📡 Stable Internet connection on PC – Mi Unlock Tool checks your account in real time.
If you plan to unlock a custom firmware bootloader (such as Pixel Experience or LineageOS), download the desired version of TWRP for Mi 9T (device codename: davinci) in advance. An inappropriate version of the backpack may cause data to be lost in the /data partition.
⚠️ Note: Starting in 2023, Xiaomi will block the ability to unlock the bootloader on devices associated with accounts with suspicious activity (for example, frequent changes). SIM-If your account is new (less than 72 hours), unlocking will not be available.
2. Official unlocking of the bootloader via Mi Unlock Tool
It is the only legal way to unlock approved by Xiaomi.The process takes between 3 and 7 days due to the mandatory waiting period the company has introduced to combat device theft.
Step-by-step:
- Link your device to your Mi Account: Go to Settings → Xiaomi Account. Sign in to your account (if you don’t have one, register a new one). Activate Data Sync and Backup.
- Activate Developer Mode: Open Settings → About Phone. Tap 7 times on MIUI Version until you become a developer!. Return to Settings → Additional → For Developers and enable USB Debugging and OEM Unlock.
- Connect the device to the PC: Use the original cable USB (Poor quality cables can cause a Couldn't unlock error (MTP) plug-in.
Launch the Mi Unlock Tool:
- Open the program on behalf of the administrator.
- Log in to the same Mi Account as on your phone.
- Follow the instructions on the screen. At the stage of checking the device, the phone will reboot to Fastboot mode.
- Reset the device.
If the operator refuses to provide the code, you can use paid services like DC-Unlocker, but they require connecting the phone to the PC in Diagnostic Mode (activated via the engineering menu).
6. Frequent errors and their solutions
When unlocking the Xiaomi Mi 9T, users often encounter common errors, and here are the most common ones and ways to fix them:
- 🚫 Couldn't unlock.Please add your account in Mi CloudError occurs if the account is not tied to the device or sync is not enabled.Solution: log in to the Mi Account on your phone, activate Find Device and Sync, then try again.
- ⏳ You need to wait 168 hours This is the standard Xiaomi limit. EDL (See section 3), but it's risky.
- 🔌 Fastboot not recognized The error is related to the lack of Qualcomm drivers or ADB. Install them manually through Device Manager (download from the site). XDA Developers).
- 📵 Device is not defined in Mi Unlock Tool Check the cable (try the original from Xiaomi), turn on Debugging by USB And reboot the PC. If it doesn't work, try another one. USB-port (preferably) USB 2.0).