Installing a new firmware on the Xiaomi Redmi Note 10 Pro can dramatically change the way a smartphone works, from improving performance to adding new features. However, the process requires care: wrong actions can turn a device into a “brick.” This article will help you understand all the nuances from preparation to final settings.
We will consider both official methods of updating through MIUI Recovery and Fastboot, and installing custom firmware such as LineageOS or Pixel Experience. Particular attention will be paid to unlocking the bootloader - a mandatory step for alternative software. All instructions are relevant for models sweet (global version) and sweetin (Indian version) with a Snapdragon 732G processor.
It's important to understand that Fastboot erases all data, and custom builds can take away warranties. MIUI, standardize OTA-Update in settings. Experimenting with alternative software will require more effort.
Preparation for firmware: backup and unlock
Before any firmware manipulation, be sure to back up your data through the Mi Cloud or locally to your computer.Even an official update may not go according to plan, and custom firmware almost always requires a full reset (wipe). PC Suite to keep contacts, SMS and multimedia.
To install unofficial software, you need to unlock the bootloader through the Mi Unlock Tool, which takes up to 720 hours (30 days) of waiting after the first account is associated with the device.
- 🔗 Download Mi Unlock Tool from the official website
- 📱 Enable Developer Options (7 times click on "Version" MIUI" customized)
- 🔓 Activate. OEM-unlocking and debugging USB developer-menu
- 🖥️ Connect your smartphone to your PC and follow the instructions of the program
After successful unlocking, the Unlocked will appear on the boot screen, which means that you can install any firmware, but the Xiaomi warranty will be canceled.
Methods of installation of official firmware
Xiaomi offers three official upgrade methods: through Settings (OTA), Recovery and Fastboot. the first is suitable for minor updates, the other two are for complete flashing in case of crashes.
Method 1: OTA-Update (without data loss)
The easiest way to do this is to not require a computer:
- Open Settings → About the phone → System update
- Click "Check Updates"
- If a new version is available, download and install it.
Method 2: Recovery (through stock recovery)
Suitable for manual installation of official.zip packages:
- Download the firmware from the official website (select the sweet/sweetin model)
- Rename the file to update.zip and place it in the root of the memory.
- Press Power + Volume Up to Enter Recovery
- Select Install update.zip and confirm
Download Mi Flash Tool from the official website
Install Qualcomm drivers on PC
Unpack the firmware in a folder without Cyrillic
Charge your phone to at least 50%
Connect the original USB-cable-->
Method 3: Fastboot (complete flashing)
Used to restore "bricks" or forced downgrade:
- Download Fastboot firmware for your model
- Unpack the archive in a folder. C:\miui_sweet_global
- Launch MiFlash.exe, connect your phone in Fastboot mode (Power + Volume Down)
- Select a folder with firmware and press Flash
| Method | Data retention | PC required | Time of installation |
|---|---|---|---|
| OTA | Yes. | No. | 5-15 minutes |
| Recovery | Yeah (with the right firmware) | No. | 10-20 minutes. |
| Fastboot | No (full reset) | Yes. | 15-30 minute |
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If the Mi Flash Tool gives you a “flash not done” error, try selecting “clean all and lock” instead of “clean all” in the program settings.
Install custom firmware: LineageOS, Pixel Experience and others
Custom firmware opens up new possibilities: pure Android without MIUI ads, more recent OS versions and additional features, but they require an unlocked bootloader and custom recovery (usually TWRP) installation.
Popular alternatives for the Redmi Note 10 Pro:
- 📱 LineageOS – as close as possible to Android stock
- 🎨 Pixel Experience – The interface is like Google Pixel
- ⚡ ArrowOS – Balance of Performance and Functionality
- 🔧 Havoc-OS – flexible configuration with many modules
Installation process:
- Install TWRP Recovery via Fastboot: fastboot flash recovery twrp.img fastboot boot twrp.img
- In TWRP, run Wipe → Advanced Wipe (select Dalvik, Cache, System, Data)
- Install firmware.zip and GApps (if you need Google services)
- Squeeze Magisk for root rights (optional)
What to do if there is no network after the firmware?
⚠️ Note: Castom firmware may not support all of the original features MIUI. Frequent problems: non-working NFC, Camera errors or Widevine problems L1 (no HD Check the forum reviews before installing. XDA Developers for a specific build.
Common mistakes and their solutions
Even with the right instructions, there can be problems, and the most common ones are:
| Mistake. | Reason. | Decision |
|---|---|---|
| This package is for "sweet" devices; this is a "sweetin" | Inconsistency of the firmware model | Download the version for sweetin (Indian) or sweet (global) |
| Hanging on the MI logo | Wrong Wash before installation | Enter Recovery and complete a full reset. |
| E: Footer is wrong in TWRP | A damaged zip file | Download the firmware, check the MD5 checksum |
| Mistake 7 in TWRP | Incompatibility with the device | Use the firmware specifically for Redmi Note 10 Pro (codename sweet) |
If the device does not turn on after firmware (black screen or hanging on the screensaver), try:
- Press Power + Volume Up for 20 Seconds for Forced Reboot
- Connect to your PC and try to flash again through Fastboot
- Use the Mi Flash Tool with the clean all and lock option to restore stock firmware
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If the custom firmware doesn't work after installing the touchscreen, it's likely that the build was used for another model. The Redmi Note 10 Pro only supports the touch screen in firmware marked "sweet" in the title.
How to return the official MIUI after custom firmware
If the alternative software experiments were disappointing, you can go back to stock MIUI, which is a little more complicated than regular firmware because of possible conflicts with custom recovery.
Step-by-step:
- Download Fastboot firmware for your model from the official website
- Unpack the archive and launch MiFlash.exe
- Connect your phone in Fastboot mode (Power + Volume Down)
- In the program, select the folder with firmware and clean all mode
- Press Flash and wait until it is completed (10-15 minutes)
Once the firmware is successful, the device will automatically reboot to the standard MIUI. All data will be erased and the bootloader will remain unlocked. To lock it back (for example, for warranty repair), use the command:
fastboot oem lock⚠️ Attention: Locking the bootloader after installing custom firmware can lead to hard brick (irreparable damage).Be sure to return to the official firmware via Fastboot before this operation.
Optimization of the system after firmware
After installing a new firmware (especially custom), it is recommended to follow several steps for stable operation:
- ⚡ Calibrate the battery: completely discharge and charge the phone 2-3 successively
- 🔄 Include Adaptive Brightness in the Display Settings to Optimize Consumption
- 🗑️ Clear the app cache through Settings → Warehouse
- 🔒 Disable unnecessary permissions for applications in Settings → Confidentiality
For custom firmware additionally:
- 🎯 Install FrancoKernel or KiranKernel kernel for better performance
- 🔧 Configure Magisk Modules for additional features (e.g, ViPER4Android sound-wise)
- 📊 Use AccuBattery to monitor battery status after firmware
If you notice excessive heating or rapid battery drain in the early days, it's normal. It takes 3-5 days for the system to optimize the background processes. If problems persist, check Location and Background apps settings.