How to turn on autodialer Xiaomi Redmi Note 9 Pro: all ways

The AutoDial feature on Xiaomi Redmi Note 9 Pro allows you to automatically re-dial if you are busy or not responding. This is especially useful in situations where you need to urgently reach an important person, but the line is constantly busy. Unlike the newer Redmi models, where the autodial is integrated into standard settings, on the Note 9 Pro (2020 release), this option can be hidden or require additional manipulation.

In this article, we’ll look at all the ways you can activate your auto dial, from built-in MIUI 12/13 tools to third-party apps from Google Play, and how to set the number of attempts and the spacing between them, what restrictions apply to different versions of the firmware, and what to do if the feature doesn’t work, and focus on the hidden auto dial mode through the engineering menu, which is not officially dokumented but works well on most Redmi Note 9 devices.

What is an auto dialer and why you need it on Xiaomi

Auto dialing (or auto call replay) is a feature that automatically repeats the attempt to connect to a subscriber if the first call fails. On the Xiaomi Redmi Note 9 Pro, it can trigger in three cases:

• 📞 Subscriber busy (signal "busy")
• 🔕 Subscriber does not respond (long horns)
• 📵 Challenge reset due to poor communication

By default, this feature is disabled on most Xiaomi smartphones, as it can drain the battery and create extra load on the network.

• 🚨 Emergency calls (ambulance, police, relatives in critical situation)
• 💼 Important business negotiations where you can not miss the connection
• 🌍 Long-distance/international calls with unstable communications

It is important to understand that the auto dial does not guarantee a successful connection – it only increases the chances of getting a call if the problem is temporary (for example, the subscriber is talking on another phone or is in the zone of a weak signal).

Method 1: Enabling Auto dialer via standard MIUI settings

On the Xiaomi Redmi Note 9 Pro with MIUI 12-14 firmware, auto dialing can be activated via the phone menu, but the path to setting up depends on the shell version. In the latest MIUI updates, developers have moved this option to the additional call functions section.

To activate the auto dial:

1. Open the phone application (pipe icon).
2. Click on the three dots in the top right corner and select Settings.
3. Go to the Additional Settings section (or Call Settings in some versions).
4. Find Autocall or Autocall and activate the switch.
5. Configure the settings: Number of attempts: 2 to 10 (recommended 3-5). Interval between attempts: 5 to 60 seconds.

If your menu does not have AutoCall, this means that the function is blocked by the carrier (for example, on some MTS or Beeline SIM cards) or disabled in regional firmware.

Update MIUI to the latest version |Check your SIM card balance (auto dialer spends money) |Make sure the function is not blocked by the operator |Disable power saving modes-->

Method 2: Activation through the engineering menu (hidden method)

If the standard settings do not include an auto dial option, it can be enabled through the Xiaomi engineering menu, which works on most Redmi Note 9 devices, but caution is needed - incorrect changes in the engineering menu can disrupt the network.

Instructions:

1. Open the Phone app.
2. Enter the combination: ##4636## (test menu opens).
3. Select Phone Information (or Phone Information).
4. Scroll down to the Set Auto Redial block.
5. Set settings: Auto Redial Enabled → On Redial Times → Number of attempts (e.g. 5) Redial Interval → interval in seconds (e.g. 10)

Turn On

After the reboot, the auto dialer will be active. To turn it off, repeat the steps and select Off in Auto Redial Enabled.

⚠️ Note: Do not change other options in the engineering menu unless you are sure of their purpose. For example, incorrect settings in the Network Lock section can lead to loss of the network.

Method 3: Using third-party applications for auto dialing

If the built-in methods don’t work, you can use apps from Google Play, which offer advanced settings, including:

• 🔄 Flexible adjustment of number of attempts (up to 20)
• ⏱️ Adjust the interval between calls (from 1 second to several minutes)
• 📋 Maintenance of the auto dial journal
• 🔔 Notification of successful connection

The best apps for Redmi Note 9 Pro:

Before installing, check the app's permissions - it should only request access to calls and contacts. Avoid programs that require administrator rights or access to SMS.

⚠️ Note: Some auto dialing applications may conflict with system services MIUI, Especially if the battery is activated on the phone. → Energy saving: Add the app to battery optimization exceptions before use.

Setting up auto dial parameters: optimal values

Even if you have enabled the auto dial, its effectiveness depends on the right settings. On the Redmi Note 9 Pro, you should use the following settings:

• 🔢 Number of attempts: 2–3 for personal calls (so as not to disturb the subscriber) 5–7 for business calls or emergencies 10+ — Only with very poor communication (risk of number locking by the operator)
• ⏳ Interval between attempts: 5-10 seconds – if the subscriber is temporarily busy 15-30 seconds – with unstable communication 60+ Seconds – for international calls (to avoid spending money)

Example of optimal configuration for city calls:

Number of attempts: 5


Interval: 10 seconds




Mode: Only when "busy" (without repetitions when "no response")

These options minimize the risk of your phone being blocked by the operator for spam, but also increase the chances of getting a call. If you call a landline or a corporate PBX, it is better to increase the interval to 20-30 seconds - many systems automatically block frequent repeated calls.

💡

To quickly disable an auto dial for a specific number, blacklist it in the application settings (if you use third-party software) or temporarily reduce the number of attempts to 1.

Why Auto dialing may not work on the Redmi Note 9 Pro

If you have turned on the auto dialer but it does not work, the reasons may be as follows:

Another common reason is the MIUI update, which means that when you install a new firmware version, the auto dial settings can be reset, and to avoid this, before you update:

1. Make a backup of settings through Settings → System → Backup.
2. Write down the current parameters of the auto dial (number of attempts, interval).
3. After the update, check if the settings in the engineering menu have reset.

If the problem persists, try resetting the network settings: Settings → SIM-maps and mobile networks → Network reset. It won't delete your data, but it will return network settings to factory values.

Safety and risks when using an auto dialer

Auto dialing is a useful feature, but if used incorrectly, it can create problems:

• 📵 Operator lock: Frequent repeat calls (more than 10 consecutive attempts) can be considered spam. Beeline and MegaFon automatically block such numbers for 24 hours.
• 🔋 Battery discharge: Every repeated call wastes a charge. 10 attempts at 10 seconds intervals increase the battery consumption by ~15% an hour.
• 💰 Additional costs: If you have unlimited calls, there is no problem, but when charging by minute, auto dialing can be expensive (for example, international calls).

To minimize the risks:

• Use the auto dialer only for important calls.
• Set the limit of attempts (maximum 7-8).
• Disable the function after a successful connection.
• Check the SIM card balance if the tariff is not unlimited.

Use auto dial especially carefully for calls to:

• 🏦 Bank Hotlines (can block your number as suspicious).
• 🏥 Emergency Numbers (112, 102, etc.) – This violates the rules of use of networks.
• 🌍 International numbers (high risk of blocking for spam).

💡

Auto dialing on Xiaomi Redmi Note 9 Pro does not work with VoIP calls (WhatsApp, Viber, Skype) – the function is designed only for standard mobile calls.

FAQ: Frequent questions about auto dial on Redmi Note 9 Pro