Xiaomi Call Ban Password: How to Know, Reset or Bypass the Lock

Blocking outbound calls on Xiaomi smartphones is a useful feature for cost control or security, but it often becomes a problem when the user forgets the password set. PIN-code SIM-This password is set in the settings of the phone and is not tied to the operator. SMS Or use the mobile Internet, even if SIM-card.

In this article, we will discuss all the official and alternative ways to learn or reset the call ban password on Xiaomi, including models on MIUI 12/13/14 and HyperOS. Importantly, some methods require access to your Mi Account account or factory settings, so start unlocking only after backing up your data.

If you are not sure what exactly is blocking calls (Xiaomi password, PIN SIM-maps or operator restrictions, first check the settings → SIM-maps and mobile networks → Call blocking. It can show you a hint about the type of lock.

1.What is the call ban password on Xiaomi and where it is stored

The call ban password is a 4- or 8-digit code that the user manually sets through the MIUI menu.

• 🔒 PIN-code SIM-cards (set by operator, usually 4 digits, reset via USSD-request);
• 📱 Lock screen password (pattern lock, digital code or fingerprint);
• 🌐 Wi-Fi password or Mi Account.

This password is stored in /data/system/locksettings.db, the Android lock settings database. It is impossible to access it without root permissions, but there are workarounds through reset or service features.

On some models (Redmi Note 10 Pro, POCO X3 Pro), the password can be synced with your Mi Account account if you have backup options enabled, in which case it can be restored through the cloud – but only if you remember the username and password from the account.

2.Official method: reset via MIUI (without loss of data)

If you remember the password from your Mi Account, try resetting the call ban password through the standard settings. This method works on MIUI 12-14 and HyperOS:

1. Open the Settings. → SIM-maps and mobile networks.
2. Choose yours. SIM-Map and tap the Locking of calls.
3. Enter the wrong password 3 times – will appear the option Forgot the password?
4. The system will prompt you to enter the username and password from Mi Account for resetting.

⚠️ Note: If your phone has an internet connection or no Mi Account attached, it won't work, and it's not available on custom firmware devices like LineageOS).

If the option Forgot the password? does not appear, try an alternative way:

1. Go to Settings → About Phone → MIUI version.
2. Tap the version number 7 times to activate Developer Mode.
3. Back to Settings → Additionally. → For developers.
4. Activate Debugging over USB and connect your phone to your PC.
5. Adb shell settings put global settings sim_pin_lock 0 (It does not work on all models).

3. Reset via engineering menu (service codes)

On some Xiaomi models (especially on Redmi 4X, Redmi 5A, Mi A1/A2), the call ban password can be reset via the engineering menu.

1. Open the Phone app.
2. Enter the code ##4636## (the test menu will open).
3. Go to the tab Information about the phone.
4. Scroll down and select Turn off SIM lock (if option is available).

If this code doesn’t work, try alternatives:

• 📞 ##7465625## - Resetting the lock SIM (squat MIUI);
• 🔓 ##7678## - Factory locking off (requires root rights);
• 🔄 ##2846579## - Project menu (for Redmi and POCO).

⚠️ Note: Service codes may cause network settings to reset or your phone to restart. Do not use them on HyperOS devices, which may cause errors in the communication module.

4. Radical methods: reset to factory settings

If nothing works, it's a hard reset, which will delete all the data from the phone, including the call ban password, but it will return access to the calls.

1. Turn off the phone.
2. Press the Power button + Volume up for 10 seconds until the Mi logo appears.
3. In the Recovery menu, select Wipe Data → Wipe All Data (manage by volume buttons, confirm by power button).
4. After resetting, the phone will reboot to its initial state.

📌 Important: Mi Account devices will need to enter a login and password to unlock after reset (Factory Reset Protection) if you don't remember your account details, the phone will become a brick".

💡

Remove before resetting SIM-card and memory card – this will speed up the process and reduce the risk of file damage.

5. Alternative solutions: contacting the operator or the service

If the smartphone is locked and the reset doesn’t help (for example, due to a link to the Mi Account), there are two options:

• 📡 Contact the operator, provide your passport and contract SIM-map -- they can reset PIN2-code (sometimes confused with call ban passwords), however, this will only work if the lock is set at the level of the lock. SIM, not a phone.
• 🔧 Xiaomi Service Center. Official SCs can unlock the device on a purchase check or warranty card.The cost of the service is from 1000 to 3000 rubles (depending on the model).

⚠️ Warning: Don't trust artisanal workshops that offer 5-minute unlocking, often using illegal methods (such as firmware through a machine). EDL-regime, which may:

• 🚫 Deprive of guarantees;
• 🔋 Lead to battery problems;
• 📵 Break the job. IMEI (phone will stop catching the network).

If you decide to contact the service, specify in advance:

• ⏳ How long will it take to process (some models require up to 72 hours for Xiaomi to respond).

💡

The operator can NOT reset the call ban password if it is set in the Xiaomi settings (not on the phone). SIM-map).

6.How to avoid a problem in the future: safety tips

To avoid blocking calls again, follow these rules:

• 📝 Write your passwords in a secure location (e.g., Google Keep or Google Keep). 1Password). Don’t keep them in your phone notes!

If you often have to block calls (for example, to save money), consider alternatives:

• 📵 In the plane mode – quickly disconnects communication without a password;
• 📴 Blocker apps (e.g. Call Blocker) where you can set time limits;
• 📊 Tariff with a limit – many operators offer options with a restriction of outgoing calls.

Remember, a call ban password is not a fraud protection, it blocks all outgoing calls, including emergency calls (112, 911). If security is critical, use the blacklist in MIUI settings instead.

FAQ: Frequent questions about call ban password