The inscriptions on the lock screen Xiaomi Redmi — a common problem that users face after buying a used phone, install custom firmware or activation of the mode “Lost device”. This can be the name of the previous owner, advertising slogan, operator logo or even watermark from MIUI. In most cases, such inscriptions do not block access to the system, but spoil the appearance and annoying at each unlock.
In this article, we will discuss 5 proven ways to remove inscriptions from the lock screen on the Redmi Note 10/11/12, POCO X3/X4/X5 and other models running MIUI 12-14. From simple settings to deep changes to system files, choose the method depending on the type of inscription and your level of training. Important: some methods require unlocking the bootloader or root rights, which may void the warranty.
1. Delete the inscription through the MIUI settings (without root)
If the label appears after updating or activating the Lock Screen function in the standard settings, it can be removed without complex manipulation.
- 📛 Name of the owner (for example, "Ivan's phone»)
- 📡 Operator Logos (MTS, Beeline, MegaFon)
- 🔤 Watermarks MIUI (For example, “Powered by MIUI»)
Instructions:
- Open the Settings → Lock screen.
- Go to Lock Screen Signature (or Lock Screen Text in new MIUI versions).
- Delete the text in the input field or turn off the switch.
- Save the changes and restart the phone.
Is the "Lost Device" mode disabled in Mi Account|
Is there a backup of the data |
Is the phone at least 50 times charged%|
Wi-Fi connection (to synchronize changes)-->
⚠️ Note: If the lock screen signature is missing or blocked, then the inscription is added at the firmware level.
2. reset to factory settings (if the inscription from the previous owner)
Used phones often have traces of a previous user, such as a Mi Account name, a linked number, or a sign on the lock screen. If you can't delete text through the settings, try hard reset, which will delete all data, including:
- 👤 Linked accounts Google/Mi
- 📱 Lock screen settings
- 🔐 Passwords and fingerprints
How to reset:
- Turn off the phone.
- Press the Power button + Volume up until the Mi logo appears.
- From the Recovery menu, select Wipe Data → Wipe All Data (use volume buttons for navigation).
- Confirm the action and wait for the completion.
What to do if there is a sign after the reset?
⚠️ Warning: After a reset, the phone may require data from the previous Mi Account (protection) FRP). If you do not know the username / password, you will have to use the bypass. FRP.
3. removal of the operator logo (for SIM-dependent inscriptions)
Some operators (such as MTS or Beeline) add their logo to the lock screen through system applications. SIM-The operator's card disappears when it's removed, even if the logo is left without it. SIM, try:
| Method | Action. | Need root? |
|---|---|---|
| Disabling the system application | Freeze OperatorLogo via ADB or Titanium Backup | ❌ No. |
| Editing by build.prop | Removing the lines ro.operator.logo and ro.com.android.dataroaming | ✅ Yes. |
| Installation of a patch through Magisk | Universal Operator Logo Remover | ✅ Yes. |
For removal without root:
- Connect your phone to your PC and enable USB Debugging (Settings → About Phone → MIUI version – press 7 times).
- Open the command line and type in: adb shell pm hide com.android.operatorlogo
- Reset the device.
MTS|
Beeline |
MegaFon |
Tele2.|
Other operator|
No logo, other inscription.-->
4. Manual editing of system files (for power users)
If the label is written in the firmware (for example, the watermark "Demo" on test devices or an advertisement from a seller), it can be removed by editing the system files.
- 🔓 Unlocked bootloader (bootloader)
- 🛠️ Root rights (via Magisk)
- 💻 PC with installation ADB and Fastboot
Step-by-step:
- Download and install MIUI System Font Editor (for framework-res.apk editing).
- Connect your phone to your PC and mount /system in Write mode: adb shell su mount -o rw, remount /system
- Move to the /system/media/theme/default/ Find files with inscriptions (for example, lockscreen_watermark.png).
- Remove or replace files with empty ones (with the same name and extension).
- Reboot the phone.
adb pull /system/media/theme/ ~/backup_themeThis will help you recover the original files if you make an error.-->
⚠️ Warning: Incorrect editing of system files can lead to bootloop.If the phone doesn't turn on after the changes, try reflashing it through Fastboot:
fastboot flash system system.img
fastboot reboot5. Flashing through Fastboot or Recovery
If no method has worked, the radical way is to completely reflash it, and it will remove all system modifications, including the labels on the lock screen.
- 📥 Official firmware (via Mi Flash Tool) – removes root and custom changes.
- 🔧 Custom firmware (e.g. Pixel Experience or LineageOS) – eliminates MIUI and its watermarks.
Instructions for official firmware:
- Download the firmware for your model from the official Xiaomi website (choose the Fastboot version).
- Unclose the file and run the Mi Flash Tool.
- Connect the phone in Fastboot mode (Power button + Volume down).
- Select the firmware folder and click Flash (select the Clean All option).
💡
Fastboot flashing removes all data, including internal memory. If you need to save files, pre-extract the memory card or connect the phone in MTP mode before the process begins.
For custom firmware:
- Unlock the bootloader through the Mi Unlock Tool.
- Install TWRP Recovery for your model.
- Download the firmware (for example, from XDA Developers) and transfer it to your phone.
- In TWRP, run Wipe → Format Data, then install the firmware.
FRP bypass (if the previous owner’s account requires resetting)
If the phone requests data from the old Mi Account after the reset, it means that Factory Reset Protection (FRP) is enabled.
Method 1: Recovery and Fastboot modes
- Download your phone to Fastboot (Power + Volume Down).
- Connect to your PC and type the command: fastboot oem frp-unlock
- If the team didn't work, try: fastboot erase frp
Method 2: Test menu (for MIUI 12–13)
- On the password entry screen, type ##4636##.
- Go to Testing. → All tests.
- Press Single Test → FRP Test and follow the instructions.
⚠️ Attention: Bypass FRP The new Redmi models may violate warranty conditions (2023)+ Xiaomi tightened the protection and some methods stopped working.
Frequent Mistakes and How to Avoid Them
Removing the inscriptions from the lock screen on the MIUI 14+ firmware requires a mandatory bootloader version check. Starting with the Redmi Note 12 and POCO X5, Xiaomi blocks editing system files without official unlocking, even with root rights.
Common user errors:
- 🔄 Incomplete reset – if you choose Wipe Cache instead of Wipe All Data, the inscription will remain.
- 🔧 Editing the wrong files – watermarks can be stored in the /system/priv-app/MiuiSystemUI/, not /theme/.
- 📵 Ignoring backup – without a backup persist or nvram after a failed firmware may go missing IMEI.
How to avoid problems:
- 📋 Always check the firmware compatibility with your model (Settings) → The phone. → Model).
- 🔋 Charge your phone at least 70% before the firmware.
- 🔗 Use Xiaomi’s original cables – cheap analogues can interrupt data transfer.
💡
If you have the wording left after all the manipulations, check your phone for viruses (for example, through Malwarebytes).Some advertising modules add watermarks to the kernel level, and they can only be removed by completely flashing.