If you’ve ever dug into the list of installed apps on a Xiaomi, Redmi or smartphone POCO, We've probably stumbled upon the mysterious CarrierDefaultApp, a service with a vague name that can't be removed in the standard way. What is it? Why is it pre-installed on all the brand's devices? And most importantly, can it be disposed of without risk to the system?
In this article, we will analyze in detail the purpose of CarrierDefaultApp, explain how it is connected with telecom operators and the corporate shell. MIUI, And we'll give you clear instructions on how to disable or uninstall, with all the possible consequences, and you'll know what features will stop working when the app is deactivated, and whether you should do it on your Xiaomi model at all.
Spoiler: 90% of the time, CarrierDefaultApp doesn’t carry a critical load, but there are nuances for devices that support VoLTE, ViLTE and other carrier services.
What is CarrierDefaultApp and why is it necessary?
CarrierDefaultApp (sometimes displayed as com.android.carrierdefaultapp) is a system application that Xiaomi installs on all its smartphones by default. Its main task is to ensure that operator services such as:
- 📞 VoLTE (voice communication through the 4G)
- 📶 ViLTE (video calls by video) LTE)
- 📱 RCS (extended SMS-message)
- 🔄 Automatic setup APN (operator)
- 🛡️ Safe Calls (Protection from Fraudsters)
It is essentially a bridge between the MIUI And it's your mobile operator, and it's the app that makes sure that the smartphone recognizes correctly. SIM-I used a map, I used network settings, and I maintained modern communication standards, and without it, for example, I could stop calling people. 4G Automatic update of operator configuration.
It's important to understand that CarrierDefaultApp is not spyware or a virus, despite its "suspicious" name. It's a legitimate component. MIUI, Xiaomi has integrated it to meet the requirements of carriers in different countries, but for most users, its functionality remains unused — especially if you are not using VoLTE or other services. RCS.
Can CarrierDefaultApp be removed without consequences?
Technically, deletion is possible, but with reservations. Since the application is system-based, standard methods (via Settings). → Applications) cannot be uninstalled, but there are workarounds:
- Disconnection through ADB (without root rights).
- Remove by root (requires unlocking the bootloader).
- Use of patches for Magisk (for advanced users).
But before you do anything, check whether the critical functionality depends on CarrierDefaultApp:
| Function | Depends on CarrierDefaultApp? | What happens after removal? |
|---|---|---|
| VoLTE/ViLTE | ✅ Yes. | Calls will go by 2G/3G, Possible problems with connection |
| RCS-message | ✅ Yes. | Chat in SMS will stop supporting file sending, reactions, etc. |
| Auto-tuning APN | ⚠️ Partially. | On shifts. SIM-The cards will have to enter the network settings manually. |
| Regular calls./SMS | ❌ No. | Works through standard protocols, independent of application |
| Mobile Internet | ❌ No. | 4G/5G They will work if they APN already tuned in |
Critical information: On devices with firmware for China (CN-version MIUI) Deleting CarrierDefaultApp could lead to total network loss! this is because in Chinese versions the app is responsible for basic identification. SIM-For the global versions (Global/EEA/RU) risks are minimal.
⚠️ Note: If you are using duality SIM-If you are switching between operators or cards frequently, removing CarrierDefaultApp may cause failures in determining the active line. ADB.
How to disable CarrierDefaultApp without root ADB)
The safest way to do this is to deactivate the application without deleting it completely, USB-cable and 5 minutes.
Install. ADB-Drivers on PC (download from [the official Android site](https://developer.android.com/studio/releases/platform-tools))
Put the debugging on. USB on a smartphone (Settings) → The phone. → Version. MIUI (press 7 times) → Additionally. → For developers → Debugging by USB)
Connect your phone to your PC and allow debugging in the window that appears
Open the command line (Windows) or the terminal (macOS/Linux) file ADB-->
Next, execute the following commands in order:
adb devices(Checks the device's connection. The name should be displayed.)
adb shell pm list packages | grep carrier(Looks for all packages called "carrier." We're interested in the line com.android.carrierdefaultapp.)
adb shell pm disable-user --user 0 com.android.carrierdefaultapp(Switches off the app for the current user.)
Once you run the last command, CarrierDefaultApp will disappear from the application list and stop using resources.
adb shell pm enable com.android.carrierdefaultapp💡
If VoLTE is missing after disconnection, check the settings SIM-maps: go to Settings → SIM-maps and mobile networks → [Yours. SIM] → Use VoLTE and enable the option manually.
Complete removal of CarrierDefaultApp (root only)
If you're sure you don't need the app and you're willing to take the risk, you can delete it completely.
- Unlock the bootloader on your Xiaomi (instructions depend on the model, see the official website).
- Install custom recovery (TWRP or similar).
- Get root rights through Magisk.
- Use a root-enabled file manager (such as Root Explorer) or command ADB:
adb shell
su
pm uninstall --user 0 com.android.carrierdefaultappAlternatively, you can remove it. APK-hand-file:
/system/priv-app/CarrierDefaultApp/CarrierDefaultApp.apk
⚠️ Note: Some Xiaomi models (e.g. Redmi Note 10 Pro) POCO X3 Pro) deleting CarrierDefaultApp can cause a persistent error when you boot the system with the message "com.android.phone stopped", in which case you will have to restore the file via fastboot or reflash the device.
For owners. POCO F3, Xiaomi 11T and other devices on Snapdragon 8xx We recommend that you make a backup section before removing it. /system through TWRP!
What to do if the network is lost after removal?
Alternative methods: Magisk-modules and debloathers
If you don't want to mess with ADB Or root, you can use ready-made solutions:
- 🔧 Universal Debloater (UI) — application to remove system components without manual commands. Supports disabling CarrierDefaultApp in a few clicks.
- 📦 Magisk module "Disable Carrier Services" - blocks the operation of operator services at the system level.
- 🛠️ Xiaomi ADB/Fastboot Tools is a utility for PC with a graphical interface that allows you to disable system applications, including CarrierDefaultApp.
The advantage of these methods is that they allow you to back it up with a single click if something goes wrong, like Universal Debloater, which has a backup function before you change.
To install the Magisk module:
- Download the module file (for example, with XDA Developers).
- Open Magisk Manager and go to the Modules section.
- Click Install from Storage and select the downloaded file.
- Reboot the phone.
Once you have the CarrierDefaultApp module, it will be locked, but its files will remain in the system.
💡
Magisk modules are preferable to complete removal, as they allow you to quickly roll back changes in case of network or VoLTE problems.
CarrierDefaultApp on different models of Xiaomi: features
The functionality of CarrierDefaultApp may vary depending on the smartphone model and regional firmware.
| Model/Series | Features of CarrierDefaultApp | Risks of removal |
|---|---|---|
| Redmi Note 9/10/11 | Responsible for VoLTE and Automatic Configuration MMS | Low (possible problems with the RCS) |
| POCO F3/GT/X3 | Integrated with Qualcomm Communication Module | Medium (may be missing) 4G second SIM) |
| Xiaomi 12/13 series | Supports eSIM and Dual 5G | High (risk of network loss on eSIM) |
| Mi 11 Ultra/Lite | Related to Dual function SIM Dual Standby | Medium (possible failures in switching) SIM) |
| Chinese versions (CN ROM) | Critical for identification SIM-map | Extremely high (the risk of total network loss!) |
For example, on Xiaomi 12 Pro with firmware MIUI 14 app is responsible for Dual's work 5G — If you remove it, one of the SIM-The card may lose access to the network 5G. And on the Redmi. 9A (CarrierDefaultApp is practically not used, and its shutdown will pass without consequences.
To find out what your firmware is, go to Settings → The phone. → Version. MIUI. If there is a name at the end CN (for example, V14.0.5.0.TKBCNXM) — You have a Chinese version and it is not recommended to remove CarrierDefaultApp.
Frequent issues after disabling/deleting CarrierDefaultApp
Even if you do everything right, you can have problems, and here are the most common ways to solve them.
- 📵 Mobile Network Missed Solution: Check Settings APN or restore the application through ADB.
- 📞 VoLTE calls do not work Solution: Enable VoLTE manually in settings SIM-Maps or install a Magisk module to restore functionality.
- ⚙️ Persistent errors "com.android.phone stopped" Solution: Reset network settings or reflash the device via Fastboot.
- 🔄 Operator settings are not updated Solution: Install APN Manually or temporarily enable CarrierDefaultApp for update.
If after manipulation with the application, the phone stopped turning on or stuck on the logo MIUI, try:
- Enter Recovery (clutch power) + Volume up when loading).
- Select Wipe → Wipe Cache.
- Reboot.
If this does not help, you will have to sew the device through Fastboot using the official firmware from Xiaomi.
⚠️ Note: Some models (e.g. Redmi) K40 Xiaomi Mi 11) after removal of CarrierDefaultApp, the function "Quick Call Answers" (text messages when a call is rejected) may disappear.