Reflashing the Xiaomi Redmi Note 9 is a challenge faced by the owners of this popular smartphone for various reasons, from the desire to install a fresh version of the MIUI to the need to restore the “brick” device after a failed update. However, before you start the process, it is important to understand not only the technical side of the issue, but also the financial. The cost of firmware can range from free self-update to several thousand rubles in service centers – and the difference is not only in price, but also in guarantees, risks, and the final result.
In this article, we will analyze all the current ways to flash Redmi Note 9 (merlin and merlinin models), their cost, pros and cons of each method, and also give a checklist for those who decide to do everything with their own hands. Particular attention will be paid to the hidden risks that are often not mentioned in reviews, from losing IMEI to blocking the Mi Account. If you are looking for more than a price tag, but want to understand whether the game is worth a candle, read on.
1. Official firmware through Mi Flash: cost and nuances
The cleanest way to upgrade to the Redmi Note 9 firmware is to use Xiaomi’s official Mi Flash Tool, which is suitable for system recovery after crashes, returning to stock firmware or upgrading to the latest version of MIUI. The main advantage is to maintain warranty (if the device is not unlocked) and minimize the risks of “bricking”.
The cost of such an upgrade in official Xiaomi services starts from 1,200 rubles, but often depends on the region and status of the device. For example, if the smartphone is warranty and firmware is required due to a factory defect, the procedure can be free. In informal services, the price is usually lower - from 800 to 1,500 rubles, but it is important to check the reputation of the workshop, so as not to run into the installation of pirated firmware.
- 📌 Pros: preservation of warranty, official software without viruses, support OTG-wire-cable.
- ⚠️ Cons: requires unlocking the bootloader (if installed not through Fastboot), possible data loss.
- 🔄 Alternative: Free Update through Settings → The phone. → Update the system, but only works for official OTA-packet.
⚠️ Note: If your Redmi Note 9 was purchased in China (local version), the firmware via Mi Flash may block Google services, in which case you will need an additional installation of GApps, which will increase the cost by 300-500 rubles.
2. the cost of flashing on custom software (LineageOS, Pixel Experience, etc.)
Installing custom firmware is a popular way to “reanimate” an old smartphone or get an up-to-date version of Android. For the Redmi Note 9, Android 12-14 firmware is available, such as LineageOS, Pixel Experience or HavocOS. However, here the cost is not only the work of the master, but also from additional risks.
In service centers, the installation of custom software will cost 1,500–3,000 rubles, depending on the complexity:
- 1,500–2,000 rubles. – Basic firmware (without rooting and pre-configuring).
- 2 000-2 500 rubles. — firmware + rut (Magisk) + performance optimization.
- 2,500–3,000 rubles – full package (firmware + GApps + core + customization for client tasks).
Self-installation will cost free, but will require unlocking the bootloader (which takes up to 7 days to wait for approval from Xiaomi) and the risk of turning the phone into a “brick”.
| Type of firmware | Cost in service | Risks. | Advantages |
|---|---|---|---|
| LineageOS | 1,800-2,500 rubles. | Loss of Widevine L1 (no HD on Netflix), possible camera bugs | Clean Android, Long Updates |
| Pixel Experience | 2,000-2,800 rubles. | Problems with gestures, rare updates for Redmi Note 9 | Interface like Google Pixel, optimization |
| MIUI EU (unofficial) | 1,500-2,000 rubles. | Blocking your Mi Account in case of an error, no OTA-update | No advertising, weekly builds |
⚠️ Note: After installing custom firmware, you will lose the ability to use official updates MIUI through OTA. You can return stock firmware, but it will require an additional 1,000-1,500 rubles in the service.
3. Self-firmware: step-by-step instructions and hidden costs
If you decide to save money and flash Redmi Note 9 yourself, prepare for the fact that the process will take from 2 to 5 hours (including unlocking the bootloader).
Install Xiaomi drivers (Mi Flash Tool)|Download official / custom firmware for the merlin model|Unlock the bootloader (via Mi Unlock Tool)|Charge your phone at least 60%|Prepare. OTG-cable (in case of a brick")-->
Hidden costs in self-firmware:
- 🔌 OTG-cable (200-500 rubles) – will be required if the phone stops turning on.
- 🖥️ Windows computer - Mi Flash Tool does not work macOS/Linux virtual-machine.
- ⏳ Waiting time – unlocking the bootloader takes up to 7 days (Xiaomi checks the account).
- 📱 Backup phone – your Redmi Note 9 will not be available for the time of firmware.
Step-by-step instructions for installing official firmware through Fastboot:
- Download the official firmware for merlin (select the Fastboot version).
- Unpack the archive in a folder without Cyrillic (for example, C:\miui_merlin).
- Launch the Mi Flash Tool, connect the phone in Fastboot mode (clip Volume Down + Power).
- Select the firmware folder and press Refresh, then Flash.
- Wait for the end (10-15 minutes) and the phone will reboot automatically.
What to do if the Mi Flash Tool is in error?
4.Prices for the recovery of the "brick" after a failed firmware
One of the most frustrating scenarios is when the Redmi Note 9 stops turning on after the firmware (the “brick”), in which case the cost of recovery depends on the type of failure:
- 🧱 Soft-brick (phone vibrates, but does not load) - 1000-1 500 rubles. in the service.
- 💀 Hard-brick (complete lack of reaction) – 2 000-3 500 rubles. Requires soldering works (flashing) EMMC through boxing).
- 🔒 Blocking of Mi-account - 500-1 500 rubles. for unlocking (if you know the login / password). Without data - up to 5 000 rubles. (risky!).
In some cases, the brick is caused by firmware incompatibility, such as if you tried to install the firmware from the Redmi Note 9 Pro (joyeuse) on the Redmi Note 9 (merlin). EDL-mode (cost – from 2,500 rubles), as Fastboot will not be available.
⚠️ Note: If your Redmi Note 9 was bought hand-held and tied to someone else's Mi Account, recovery costs up to 4,000 rubles.
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Before you run the firmware, save the persist.img file from the current firmware — it contains the IMEI calibration and NFC module. Losing it can lead to problems with the mobile network and contactless payments.
5. Where is cheaper to flash: comparison of services and regions
The cost of the Xiaomi Redmi Note 9 firmware varies greatly depending on the region and type of service. Below are the current prices for 2026 in Russia and the CIS:
| Type of service | Moscow/SPB | Regions of the Russian Federation | Belarus | Kazakhstan |
|---|---|---|---|---|
| Official Xiaomi service | 1,200-1,800 rubles. | 1,500-2,000 rubles. | 30–40 BYN | 3 000–4 500 KZT |
| Informal service | 800-1 500 rubles. | 1,000-1,800 rubles. | 20–35 BYN | 2 500–3 500 KZT |
| Custom firmware | 2,000-3,000 rubles. | 1,800-2,500 rubles. | 40–60 BYN | 5 000–7 000 KZT |
| Recovery from the brick | 2,000-3,500 rubles. | 2,500-4000 rubles. | 50–80 BYN | 7 000–12 000 KZT |
Where to look for profitable offers:
- 🛒 Avito/Yula – private masters take cheaper (from 700 rubles), but the risk of running into a dilettante is high.
- 🏢 Service centers at stores (for example, “Svyaznoy” or “M. Video”) – prices are higher, but there is a guarantee.
- 🌍 Online services (for example, Xiaomi Service in Telegram) – firmware by mail (from 1,500 rubles. + delivery).
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The most budget option is firmware through the official OTA-package (free), but it is only available for current versions MIUI. If your firmware is very outdated, you will have to use Fastboot or contact the service.
6 How to Save on Firmware Without Risk to Your Phone
If you have a limited budget but need to flash Redmi Note 9, use these tips:
- 🔄 Update through OTA — If your firmware supports over-the-air updates, it's free and secure. → The phone. → Updating the system.
- 🤝 Look for promotions – some services offer discounts on firmware for comprehensive maintenance (for example, replacing the battery). + firmware).
- 📚 Learn in forums - in forums 4PDA and XDA There are detailed firmware guides for Redmi Note 9 with community support.
- 🛠️ Buy tools in bulk – if you plan to flash multiple devices, order OTG-cable EDL on AliExpress (from 300 rubles.).
One of the most reliable ways to save money is to flash your phone yourself under the supervision of an experienced user, for example, many services offer a service called firmware consultation (500-1000 rubles), where the wizard remotely monitors your actions and tells you how to avoid errors, which is cheaper than full firmware in the service and safer than a completely independent approach.