Xiaomi Redmi Note 3 backup: a complete guide to data preservation

Why backing up Redmi Note 3 is not a luxury, it’s a necessity

Xiaomi Redmi Note 3 (including the Pro and SE versions) is still a popular device thanks to reliable hardware and support for custom firmware. However, even the most stable gadget is not immune to failures: a sudden battery drain during an update, a firmware error through Fastboot, or a banal drop in a smartphone can lead to data loss. Backup is the only way to return photos, correspondence and settings to their original state in a few minutes.

The Redmi Note 3 features a closed bootloader on stock firmware and no microSD slot in the base version (only the Pro). This limits backup options, but does not cancel them. In this article, 5 working methods adapted to the specifics of the device: from built-in MIUI tools to advanced solutions through TWRP and ADB. Choose the method depending on your tasks and level of training.

⚠️ Critical Warning: If you plan to unlock the bootloader or install custom firmware, backup through standard means MIUI It doesn't save the application data and its settings, just the media and contacts. TWRP or ADB Backup.

Method 1: Built-in backup via MIUI (for beginners)

The simplest method, which doesn't require root rights or a computer, is suitable for saving contacts, SMS, photos, videos and some system settings, but it has limitations:

• 📱 Does not store installed applications and their data (for example, progress in games).
• 🔄 Recovery is possible only on the same smartphone with the same version MIUI.
• 💾 Backup takes up space in internal memory (it is recommended to transfer it to the PC).

To make a backup:

1. Open Settings → Additional → Backup and Reset.
2. Press Local Backup.
3. Select data to save (contacts, messages, notes, photos) and confirm the action.
4. Wait for the process to be completed (it can take 5-15 minutes depending on the amount of data).

🔹 Where is the backup stored? A file with the.mbk extension will appear in the folder MIUI/backup/AllBackup It can be copied to a PC or to the Mi Cloud (more on that below).

Is the smartphone loaded at least 50%|Is there enough space (need to be free) +10% of the data volume)|Memory Optimizers (such as Greenify) are disabled)|Are your contacts synchronized with your Google Account?-->

Method 2: Cloud backup via Mi Cloud

Mi Cloud is Xiaomi’s official cloud storage that automatically syncs contacts, notes, photos and even some settings.

• ☁️ Data is available from any device after authorization.
• 🔄 Automatic synchronization (can be set to schedule).
• 📲 It does not require a PC connection.

How to set up:

1. Go to Settings. → Mi Account → Mi Cloud.
2. Turn on synchronization for the desired categories (contacts, gallery, notes).
3. For a full backup, click Device Backup and select data.

⚠️ Warning: The free Mi Cloud tariff only provides 5GB of space. If you have a lot of photos or videos, the space will run out quickly:

• 🗑️ Remove old backups in the Storage Management section.
• 💳 Buy an extra seat (from 100 GB per ~300 rubles/year).
• 🔄 Use Mi Cloud only for critical data (contacts, SMS), For media files, other methods.

Method 3: Full backup via TWRP (for advanced users)

If you plan to install custom firmware (like LineageOS or Pixel Experience) or have already unlocked the bootloader, TWRP is the only way to make a complete system image, including:

• 📱 All installed applications and their data.
• 📁 System settings and files.
• 🔧 Core and loader (if necessary).

🔧 Requirements:

• 🔓 Unlocked bootloader (fastboot oem unlock).
• 📱 Established custom recovery TWRP (Redmi Note 3 version – official page).
• 💾 MicroSD memory card (recommended) or free space in internal memory.

Instructions for creating a backup:

1. Turn off your smartphone and press Volume Up + Power to enter TWRP.
2. In the main menu, select Backup.
3. Mark the sections for backup: Boot (loader), System (firmware), Data (applications and settings), Cache (optional).

microSD

Wait until it is completed (it can take 20 to 40 minutes).

💡 Tip: Keep the backup TWRP If the internal memory of the smartphone fails, it will be impossible to recover data.

Method 4: Backup via ADB (without root but with PC)

ADB Backup is Google's official tool for backing up data without super-user rights, and it works on stock firmware, but it has some nuances:

• 🖥️ You need a computer with installed Xiaomi drivers and ADB.
• 🔐 Some applications (for example, banking) can block the backup of their data.
• 📡 The process takes a long time (up to 1 hour for a full backup).

Step-by-step:

1. Turn on the smartphone Debugging over USB (Settings → About Phone → MIUI Version → 7 times click on the version, then go back to Additional → For developers).
2. Connect Redmi Note 3 to PC via USB-cable (select File Transfer Mode).
3. Open the command line on the PC and type: adb backup -apk -obb -shared -all -f C:\backup_redmi_note3.ab Where C:\backup_redmi_note3.ab — backup file path and name.
4. On the smartphone screen, confirm the creation of a backup copy (think up a password if you need to encrypt data).

🔹 How do you repair it? Use the command:

adb restore C:\backup_redmi_note3.ab

⚠️ Note:.ab file can only be opened through ADB. To extract individual files (for example, photos) you will need special utilities like Android Backup Extractor.

1. Reinstall the driver via the Mi Flash Tool.

2. Change. USB-cable (it is better to use the original cable).

3. Enable the option "Cancel authorization" in the developer settings USB-debugging".-->

Method 5: Manual backup of important data (photos, contacts, SMS)

If you don't want a complete image of the system, but only critical data, you can do without complex tools.

📌 Important: For a reserve of correspondence from messengers (WhatsApp, Telegram), use the built-in export functions:

• WhatsApp: ⋮ → Settings → chat → Backup (saves to Google Drive).
• In Telegram: Settings → Data and memory → Export history (file.json).

Comparison of backup methods for Redmi Note 3

Which way to choose? It depends on your goals.

🔹 Recommended: For most users, the best combination is Mi Cloud (for contacts) + hand-copying of photos on PC + TWRP (if you plan to firmware).

💡

If you are going to unlock the bootloader or install custom firmware, be sure to back up through TWRP before you start manipulating. Stock firmware will reset to factory settings after unlocking!

Frequent Mistakes and How to Avoid Them

Even experienced users sometimes have problems building a backup, and here are the most common mistakes and solutions:

⚠️ Error 1: “Not enough space on the device” when backup MIUI. Solution: Delete unnecessary files (e.g., app cache in Settings) → Memory, or transfer the backup to your PC immediately after creation, and you can also use microSD (if you have a slot).

⚠️ Mistake. 2: TWRP It does not create a backup, it gives an error "Failed to mount". /data". Solution: This is due to encryption of the data partition in new versions MIUI. Before the backup in TWRP You need to: Go to Wipe → Format Data (this will delete all data!) Reboot to TWRP And then you can do it again. Attention: This method erases all the data on the device. Use it only if you already have a backup.

⚠️ Mistake 3: ADB Backup freezes at 0% or doesn't see the device.Solution: Check if Debugging is enabled USB and if the device is authorized on a PC. Try another one. USB-Reinstall the driver via the Mi Flash Tool. Run the command prompt on behalf of the administrator.

💡 Advice for owners of Redmi Note 3 Pro: If you have a version with a Snapdragon 650 processor, backup through TWRP It can be unstable due to the features of the bootloader, in which case use OrangeFox Recovery, an alternative recovery with better support for Qualcomm devices.

FAQ: Answers to popular questions