Installation of the second SIM-Maps in Xiaomi Redmi Note 7: a step-by-step guide

Modern smartphones like the Xiaomi Redmi Note 7 are almost impossible to imagine without the support of two active SIM cards.This feature allows users to flexibly manage personal and work calls, as well as save on the mobile Internet by choosing the optimal rates of different operators. However, owners who first encounter devices of the Chinese brand often wonder how to physically install the second communication module so as not to damage the delicate mechanisms of the device.

The installation process does not require special tools or deep technical knowledge, but requires accuracy and understanding of the design of the tray. In this article, we will discuss each step in detail, from finding a paper clip to software setting call priorities, so that you can enjoy the full capabilities of two-sim mode immediately after turning on the device.

Before you start mechanical intervention, you need to make sure you've prepared everything you need. SIM-If your cards are larger (mini or micro), they should be carefully trimmed along the contour or replaced by a carrier. Also make sure the phone is turned off, although current standards allow hot replacement, it is safer to work with a de-energized device for the first time.

Tool preparation and compatibility check

The first step is to prepare the workplace and the tools you need. To extract the tray, the Redmi Note 7 comes with a special metal clip. If you lose the original tool, you can use a regular stationery clip by straightening one of its ends, or a thin needle. The main requirement is that the tool must be strong enough not to bend when pressed, but not too thick to get stuck in the hole.

It is critical to check the format of your SIM-map. Xiaomi Redmi Note. 7 It uses only nano-SIM, which is the smallest of the common standards, and trying to insert a larger card by force will break the tray or damage the contact pad inside the smartphone (3-into-1), carefully squeeze the desired chip from the plastic frame.

⚠️ Warning: Never try to insert SIM-If the card is not exactly in the recess, the pressure can lead to short circuits or mechanical jamming of the mechanism.

Also worth paying attention to the state of the card chip. If the golden contacts show severe scratches, oxidation or contamination, it is better to wipe them with a soft dry cloth beforehand. Dirt on the contacts can cause the phone to stop seeing the network or permanently lose signal after installation.

Location of the tray and the extraction process

Tray for SIM-Redmi Note 7 cards are located on the lower end of the device, to the left of the charging port. USB Type-C. Next to the clip hole is the noise reduction microphone, so it's important not to confuse them.The tray extraction hole is characteristically circular and is often marked by a small SIM card icon.

To extract the tray, insert the prepared tool (clip or needle) perpendicular to the body into the hole. Press confidently, but without excessive fanaticism, until the tray jumps up and out of the case a few millimeters, and then it can be carefully removed with your fingers.

• 📱 Make sure you insert the paper clip into the tray hole, not into the microphone hole next to it.
• 🔧 Hold the tool strictly perpendicular to the face of the phone so as not to scratch the body and not break the mechanism.
• 👀 Remove the tray smoothly so as not to damage the rubber seal if it is present at the end.

The design of the tray in the Redmi Note 7 is made in the form of a single plastic or metal frame with two separate cells. SIM-The second card, for additional SIM microSD card.

Orientation and correct installation of maps

The most important thing is to correctly align the cards in the tray. The plastic tray itself often has schematic images that tell you how the card should lie. The chip (the golden part) should always be directed down to the contacts of the phone, and the bevelled corner of the card should coincide with the bevelled angle in the tray cell.

Put the first one in. SIM-The card is placed in the appropriate cell, making sure it is tightly attached to the bottom and does not protrude over the edges of the frame. Then similarly install the second card. If you plan to use a microSD card, it is usually installed in the second slot on top of the contacts of the second one. SIM-card or in a neighboring cell, depending on the type of tray.

Once the cards are placed, gently insert the tray back into the phone's body. Be careful not to flip it upside down - the tray has only one correct entry position. Push the frame until the characteristic click or complete immersion into the case. If the tray does not enter easily, do not push it out, and check the orientation.

Initial network setup and activation

After you physically install the cards, turn on your smartphone. MIUI, The new version of the Redmi Note 7 will automatically detect new ones. SIM-A welcome window will appear on the screen, suggesting that you configure the mobile network settings. PIN-The system will request its input for each of them.

To access the advanced settings, go to the Settings menu and select the item SIM-You'll see both cards installed here, and the first thing you'll want to do is give them clear names, like "Work" and "Personal," or give them the names of the operators, so you don't get confused.

The same menu sets priorities. You can choose which card will be used by default for voice calls, SMS-This is especially useful if one operator has unlimited minutes and another has cheap traffic.

• 📶 Set up your preferred network type (4G/3G/2G) for each card separately in the settings menu.
• 📞 Install the “Allow Data Switch” function to keep the internet running if the main card runs out of money.
• 💬 Set up the shipment. SMS with a specific default card or choose each manually.

Set up notifications and manage costs

That it was comfortable to use two SIM cards, it's important to set up notifications correctly. MIUI has a convenient color coding feature: calls and messages from different numbers can be marked in different colors in the call log, which allows you to instantly know which card received the signal.

You should also pay attention to traffic limits. → SIM-maps and mobile networks → Traffic can be set a monthly limit for each card separately, which will help to avoid unexpected expenses if you actively use the mobile Internet of the second SIM card.

⚠️ Attention: If you use two networks actively, battery consumption can increase. If you are in the zone of weak signal, the phone will spend more energy searching for the network, which is critical for autonomy.

To save charge at night or in areas where the network is not needed, you can temporarily turn off one of the SIM cards software without physically removing it. SIM-map.

Addressing common problems

Sometimes, after you put a second SIM card in, you find that the phone sees only one of them or doesn't identify the network at all. The first step in diagnostics should always be to reboot the device. If that doesn't work, check if the tray is inserted correctly and if the cards are tightly seated.

Another common problem is that there is no Internet on the second card: make sure that the mobile network settings select the correct type of preferred network (LTE/4G) and data transfer is enabled, and check the balance and availability of connected tariff options with the operator.

In some cases, firmware updates may be required. Older versions of MIUI may have software errors with certain carriers, check for updates in the About Phone menu, and install the latest available version of the software.

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Use the Quick Notes feature or desktop widget to quickly switch between SIM cards if you change call priorities frequently.

FAQ: Frequently Asked Questions

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Proper installation second SIM-Xiaomi Redmi Note 7 card requires attention to the orientation of the chip and the choice between the second SIM or memory card in the hybrid slot.