How to use two of them SIM-maps on Xiaomi Redmi 5A: full guide with settings

Xiaomi Redmi 5A — One of the most popular budget smartphones with support for two SIM-Maps, but not all users know how to configure Dual SIM Unlike flagship models, where slot management is intuitive, there are nuances to this, from choosing a priority network to distributing mobile traffic. SIM-maps, set up calls and the Internet, and avoid typical problems – for example, when one of the cards of Suddenly stops catching the network.

Feature of Redmi 5A in that it supports a hybrid slot: the second connector can be used either under the second SIM-This means that you can use two microSD cards to work with two different devices. SIM You'll have to sacrifice memory expansion, which is a big thing that many people forget about when they buy, and we'll go through how to physically install cards, set them up in the system. MIUI, and to optimize the work so that both SIM They worked without conflict.

Physical installation SIM-maps in Xiaomi Redmi 5A

Before setting up the software part, you need to insert correctly SIM-slots. Redmi. 5A nano-based-SIM (format 4FF) for the first slot and the combined slot for the second SIM Here's how to do it without risking damage to your contacts:

• 🔧 Use a needle or paperclip from the kit to remove the tray. Put it in a small hole on the side panel before you click.
• 📱 Put it in. SIM-The first card is put in the slot. SIM1, second SIM2/microSD.
• ⚠️ Don’t make an effort to insert the tray back: if it doesn’t come in easily, check the correctness of the card installation.
• 🔄 After installation, restart the phone – this will speed up the recognition of new ones. SIM.

If you are using a memory card, the second one is SIM-The card won't work.In a Redmi hybrid slot 5A You can’t use microSD at the same time. SIM — This is the hardware limitation of the model. You have to choose one.

Activation and Configuring Dual SIM in MIUI

Once the cards are installed, the phone should automatically recognize them, but sometimes manual adjustment is required. → SIM-maps and mobile networks. Here you'll see both slots with the ability to:

• 📞 Turn on/off each SIM It is useful if you only need one card for calls).
• 🌐 Assign a priority network for data (for example, if one of the SIM Unlimited, and the other has limited traffic).
• 📡 Select network mode (2G/3G/4G) For each card, to save the charge on the second card. SIM can only be left 2G.
• 🔄 Activate data switching – the function will automatically switch the Internet to the second SIM, If the first one loses contact.

Please note the item "Names" SIM-Cards can be given a unique name (e.g., "Worker" and "Personal") to avoid confusion when calling, especially if the cards have the same operator numbers.

Call management: how to choose SIM for outbound

By default. MIUI choose SIM-A map for every outgoing call, but you can change that to set up automatic selection. SIM:

1. Open the Settings. → SIM-maps and mobile networks → Calls.
2. Select “Ask Always”, “SIM1 by default” or “SIM2 by default”.
3. For individual contacts, you can assign your preferred SIM: open the contact → “Default” → select SIM.

If you frequently call a single operator, it makes sense to set up Call Rules (available in some versions of MIUI), for example, you can automatically use SIM1 to call MTS numbers, and SIM2 to call Beeline, which eliminates manual selection on each call.

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If you call one of them SIM often resets the connection, check the network settings: switch mode with 4G on 3G In Settings → SIM-map → [choose SIM] → Preferred type of network.

Setting up mobile internet for two SIMs

One of the most common problems with using two SIMs is mobile data conflict, which is the default way to connect to a single card, but you can flexibly configure the process:

If you need to temporarily switch the Internet to another SIM (for example, when traveling out of town), you do not need to change the settings globally.

1. Swipe down the notification panel.
2. Press and hold the "Mobile Data" icon.
3. In the window that appears, select the desired SIM.

Saving battery power when running two SIMs

Two active SIM-The cards increase battery consumption because the phone is constantly scanning the networks of both operators to reduce consumption:

• 🔋 Turn it off. 4G second SIM, If you only need it for calls (switch to the phone). 2G network-setting).
• 📵 Turn on "Flight Mode" for one of the SIM at night or when you don't need it.
• 🔄 Use the “Data Switch” function only when necessary – constantly switching between networks drains the battery.
• 📊 Keep track of battery consumption SIM-maps in Settings → Battery → Battery utilization.

If you notice that the battery is going down too fast, check the background activity of apps. Some messengers (such as WhatsApp or Telegram) can constantly use mobile data, even when the phone is on standby. Limit their Internet access to Settings → Apps → Permissions.

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Disabling 4G on a second SIM can increase battery life by 15-20%, especially if this card is used only for calls and SMS.

Common Problems and Their Solutions

Even after setting up correctly, Redmi 5A users face typical Dual SIM issues, and here are the most common ones and ways to fix them:

⚠️ Note: If after installation of the second SIM The first card is not visible, so check if it's inserted correctly in the tray. Often users confuse the orientation of nano-SIM and microSD, so the contacts don't touch.

• 📶 One of them SIM No network: Restart the phone. Check if it's on. SIM in settings (Settings) → SIM-Manually select the operator in Settings → SIM-map → [choose SIM] → Network operators.
• 🔄 The phone is constantly switching between SIM: Turn off "data switching" in the settings SIM-Check the signal level of both cards, if one is weak, the phone will try to switch.
• 📞 They don't come. SMS one-way SIM: Make sure you're on SIM There's enough memory for the messages, check if the forwarding is activated. SMS different room.

If none of these methods worked, try resetting your network settings:

Settings → System → Resetting settings → Resetting network settings

This will remove all stored Wi-Fi networks and passwords, but often solves connection problems. SIM-map.

FAQ: Frequent questions about Dual SIM on Xiaomi Redmi 5A