How to find lost Xiaomi Redmi 4X phone: all the ways from tracking to locking

Losing a smartphone is stressful, especially if it’s a proven model like the Xiaomi Redmi 4X. This device, released in 2017, is still used by millions of users, but its search has nuances: the lack of an NFC module, an outdated version of MIUI on some firmware and specific work with geolocation. It is important to act quickly: according to statistics from Mi Cloud, the chances of returning the device fall by 40% after 2 hours after loss.

In this article, we'll cover all the relevant search methods for Redmi 4X (codename santoni), including little-known features like Find Device through the browser and work with IMEI. We'll also look at how to protect personal data if the phone is stolen, and what to do if the basic geolocation is disabled. No universal tips - only specific steps given the technical limitations of the model.

1. Checking the basic conditions before searching

Before using tracking tools, make sure your Redmi 4X meets the minimum requirements. Without that, even official Xiaomi services will be useless.

• 🔋 Battery level: If the battery is under 5%, geolocation and remote commands will not work. 4X firmware MIUI 9+ switch off background processes at critical charge.
• 🌐 Connection: The phone must be within range of the mobile network or Wi-Fi. Check if it is in aircraft mode (on Redmi). 4X It is activated by a long press of the power button).
• 🔒 Mi Account binding: Without an authorized Xiaomi account, most search features will be blocked.If you don't remember the login, restore access via account.xiaomi.com.
• 📡 Geolocation Permits: In the Confidentiality Settings → Permits → Geodata must be enabled for Mi Cloud and Find Device.

A critical feature of Redmi 4X is that on some custom firmware (like LineageOS), Xiaomi services may not work. If you installed unofficial software, the chances of remote search tend to zero.

2 Search through the official Find Device service

The most reliable way is to use Xiaomi’s built-in Find Device tool, which works even if the phone is turned off (at the last known location), but requires pre-setting.

1. The map will show the last known location of Redmi. 4X. Accuracy depends on settings GPS: 📍 High accuracy (GPS)+Wi-Fi+Mobile networks: error up to 10 meters. 📶 Charge savings (mobile networks only): error up to 500 meters.

• 🔊 Turn on the sound: the phone will emit a loud signal for 5 minutes (works even in silent mode).
• 🔒 Lock the device: set a screen lock password (if it was not).
• 🧹 Erase data: complete reset to factory settings (irreversible!).

Important: If the Redmi 4X has firmware older than MIUI 10, the Data Erase feature may not work due to the lack of Factory Reset Protection (FRP) support.

Sign in to Mi Account on PC|Check if the internet is on on your phone|Make sure geolocation is allowed for Mi Cloud|Prepare. IMEI telephone (on a box or in a check)-->

3. Alternative ways to search without Mi Account

If you haven’t tied up a Xiaomi account or forgotten your login details, try these methods. They’re less reliable, but sometimes help you get back the Redmi 4X.

3.1 Search through Google "Find the Device"

It works if you're on the phone:

• 🤖 Google Play Services enabled (on Redmi) 4X They can be manually disabled).
• 🔄 Sync with Google account activated (checked in Settings) → Accounts. → Google).
• 📡 Geolocation is allowed for Google Play Services.

Instructions:

1. Go to google.com/android/find.
2. Select the lost device (Redmi 4X will be designated as Xiaomi santoni).
3. Use the options: 🔔 Play the sound (5 minutes at maximum volume). 🔒 Lock the device (sets a password on the lock screen). 🗑️ Delete data (full reset, requires confirmation).

On Redmi 4X with custom firmware (like Pixel Experience), Google services may not work smoothly – check the sync status on the device management page.

Communications operator: IMEI definition

IMEI is a unique identifier for your Redmi 4X that you can use to lock your phone into the carrier's network.

• 📦 On the device box (under the barcode).
• 📄 On a check or a security card.
• 🖥️ Through Mi Account (Device section) → Information).

Further action:

1. Call your operator’s support team (e.g. *111# for MTS, *555# for Beeline).
2. Let me know. IMEI and ask to lock the device on the network, which will make it impossible to use. SIM-card on your phone.
3. Please report to the police (IMEI will be required for the search).

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If you don’t remember the IMEI, but the phone was connected to the Mi Account, check it in the Devices → Phone Information section at i.mi.com.

3.3. Social networks and ad services

If a phone is stolen, scammers will often try to sell it through:

• 🛒 Avito (see the Xiaomi Redmi filter) 4X in your city).
• 🤝 VKontakte (groups like "Buy / sell used phones [your city]»).
• 📱 Telegram (channels with announcements about the sale of equipment).

When searching, pay attention to:

• 📸 Phone photo: Check scratches, cover, stickers - they may match your device.
• 🔢 IMEI: Ask the seller to send a photo of the box or check (compare with your number).
• 💰 Price: if Redmi 4X It is sold for 3-5 thousand rubles (market price used), it is suspicious.

4.What to do if the phone is turned off or discharged

If the Redmi 4X is not powered on or is with a battery drained, standard search methods will not work.

• 🔌 Check the last places you visited: remember where you lost your phone (cafe, transportation, work). Go back there and ask the administration - many places have drawers for found things.
• 🚔 Contact the police: write a statement of loss / theft (specify) IMEI In some regions, there are databases of telephones found.
• 📡 Use Bluetooth scanners: If the phone is within a radius of 10-20 meters, it can be detected through applications like Bluetooth Scanner (available on Google Play). 4X Bluetooth 4.2 supports, which allows you to scan it even when it’s off (if the battery isn’t fully discharged).

Technically, the Redmi 4X with MIUI 11+ has Offline Finding, which allows you to find a device even without an Internet connection.

• 🔄 Synchronization with Mi Cloud enabled.
• 📱 Security updates no older than 2022 are installed on the phone.
• 🔋 Battery charge above 15%.

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If the phone is turned off, the chances of finding it through geolocation are zero, and then it is more effective to go through the police, the carrier and checking the places where you may have lost it.

5.Data Protection: What to Do When Your Phone Is Stolen

If you are sure that the Redmi 4X was stolen, the first thing you do is block access to personal data, and even if you can’t get your phone back, you can minimize the damage.

• 🏦 Banking applications: Immediately block the cards via the Internet bank or by phone hotline. Remove the phone tether in mobile banks (Sberbank Online, Tinkoff, etc.).
• 🔐 Social Media and Mail: Get out of all sessions in the VK, Instagram, Facebook (Security section) → Active sessions. Change your email passwords (Gmail, Yandex, Mail.ru).
• 📱 Remote erasure: If your phone is connected to Mi Account, use the option to erase data in Find Device. For Google Account, a similar feature on the page google.com/android/find.

Important for Redmi 4X: if the phone was enabled data encryption (in the settings Security → Encryption), then even after resetting to factory settings, an attacker will not be able to access files without your password.

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On the Redmi 4X with MIUI 9-10, the encryption is disabled by default, and if you haven’t turned it on, the data on the phone can be easily retrieved after a reset.

6 How to Prevent the Loss of Your Phone in the Future

To avoid the Redmi 4X search problem, set it up in advance:

Additional measures:

• 🔋 Power Bank in your bag: if the phone runs out, it'll be harder to find.Carry an external battery with you.

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The Redmi 4X with MIUI 11+ has a Second Space feature (Settings → Special Options → Second Space) that allows you to create an isolated profile with limited access to data — useful if the phone falls into the wrong hands.

7. Frequent errors when searching for a phone

Many Redmi 4X users make critical mistakes that reduce the chances of a phone returning to zero.

• ❌ Calls to a lost phone: If it is stolen, an attacker can quickly turn off the device or take it out SIM-Better use vibration mode through Find Device.
• ❌ Self-search: If the phone is in a suspicious place (such as in someone else's yard), don't try to return it yourself - contact the police.
• ❌ Ignoring IMEI: Without this number, the operator will not be able to block the phone in the network, and the police will not be able to enter it into the database of stolen devices.
• ❌ Late reaction: the longer you wait, the less chance you have of success. Act in the first 1-2 hours after a loss.

Specificity of Redmi 4X: There is no eSIM function on this model, so an attacker can easily change the physical SIM-If you use a two-sim, lock both cards from the operators.

FAQ: Frequent questions about Xiaomi Redmi search 4X