How many? SIM-Xiaomi Redmi Note 7: hybrid slot, 4G and nuances of use

Xiaomi Redmi Note 7 remains one of the most popular smartphones in the budget segment even years after its release. Its reliability, performance and camera still attract users, but when choosing a smartphone, many people are faced with the question: how much? SIM-Does this model support cards? The answer is not as clear as it seems - it is important to consider the version of the device, the type of slot and even the region of sale here.

In this article we will analyze all the nuances: from the number of physical slots to the features of working with two SIM-You will learn how to insert cards correctly, which combinations are supported (for example, nanoSIM). + nanoSIM + microSD or nanoSIM only + microSD), and what pitfalls are waiting for using a hybrid slot, and also answer frequent questions, such as whether two can be used. SIM-card and memory card simultaneously.

If you are planning to buy a Redmi Note 7 or are already experiencing problems in setting up a connection, this guide will help you understand all the details. SIM-The cards are supported by the smartphone officially and what options are available to users.

Official characteristics: how many SIM-Maps in Redmi Note 7?

According to Xiaomi specifications, the Redmi Note 7 is equipped with a hybrid slot that supports:

• 📱 Two nanoSIM cards (Dual) SIM) — for working with two numbers simultaneously.
• 📱 + 💾 One nanoSIM + microSD card (up to 256 GB) – if the priority is given to memory expansion.

Important: Physically, there are only 2 slots in the smartphone, but they are interchangeable - you can not use two slots. SIM-This is a key limitation of hybrid design that often causes confusion, such as in models with a dedicated microSD slot (as in some flagships), there is no such conflict.

At the same time, the Redmi Note 7 Supports Dual SIM Dual Standby (DSDS) — both SIM-The cards are active in standby mode, but when you talk on one line, the second line becomes unavailable. 4G+4G It is also present, but with reservations: one of the SIM-The map will work in the mode 3G/2G, if the second 4G. This is the standard limit for most budget smartphones. 2019 year-end.

Hybrid Slot: How Does It Work in Practice?

The hybrid slot in the Redmi Note 7 is a trade-off between the compactness of the case and the functionality. Let's see how it works and what use cases are possible:

To switch between configurations, it is enough to remove the tray for SIM-cards (using a paper clip or a special key from the set) and swap the cards in places, for example, if you want to temporarily use two of them. SIM-card SIM + MicroSD, just replace the memory card with a second nanoSIM.

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Before removing the tray, be sure to turn off the smartphone! hot replacement SIM-Cards can cause communication module failure or network loss.

Note the size of the cards: the slot is designed only for nanoSIM (the smallest format). If you have a microSIM or miniSIM card, it will have to be cropped or replaced from the operator. Also check that the memory card is microSD (not miniSD or SD) or it will not fit into the tray.

How to set up two SIM-maps: step-by-step instructions

If you first insert two SIM-The cards in the Redmi Note 7, the smartphone will automatically detect them and suggest you adjust the settings, but sometimes you need to manually adjust them, for example, to assign a basic setting. SIM-A call card or a mobile Internet card. Follow this algorithm:

Detailed instructions:

1. Put it in. SIM-cardboard (SIM1 — top-slot, SIM2 — Make sure the card contacts look down.
2. Go to Settings. → SIM-maps and mobile networks.
3. Click on the title. SIM-maps, for example, "SIM1") and give a name (e.g., "Worker" or "Personal").
4. In the Preferred section SIM-pick up the card: 📞 Calls are what. SIM default. 💬 SMS — what SIM message. 🌐 Mobile data – which data SIM web-based.

Turn on 4G

If one of them SIM-The cards are not determined, check:

• 🔌 Is the card inserted correctly (contacts should be clean).
• 📡 Does the operator support operations in your area (for example, some virtual operators may not be roaming).
• 🔄 Restart your smartphone – sometimes the communication module “hangs” when you first install it.

4G and Dual SIM: What are the limitations?

One of the most common complaints of Redmi Note 7 users is the inability to use the same device at the same time. 4G both SIM-This is due to the hardware limitations of the Qualcomm Snapdragon 660 chipset that's installed in the device:

• 📶 One. SIM into 4G, second-in-class 3G/2G: if you call the second SIM-The first one is temporarily switched to 3G (if 4G).
• 🔄 Automatic switching: the smartphone chooses the priority network depending on the activity (call, Internet).
• ⚡ VoLTE: Supported but only on one SIM-card (depends on the operator).

This means that if you have a critical 4G On both cards at the same time, the Redmi Note 7 doesn't work, you have to choose between speed and stability. SIM-map (4G), And the second time you're expecting a call, the Internet speed drops to the next time you're talking. 3G.

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Redmi Note 7 cannot be used at the same time 4G both SIM-Maps are a hardware limitation that cannot be corrected by software updates.

Some users attempt to circumvent this restriction by manually selecting the network (e.g., force-installing only the network). 3G second SIM-But that doesn't really pay off. You better prioritize that way:

1. Use it for the Internet. SIM-better-coated 4G.
2. Select for calls SIM-card.
3. Turn off Auto-Select Network in the settings if one of the SIM-cards are often "lost".

Compatibility with operators: which SIM-maps work?

The Redmi Note 7 supports most communication standards, but there are nuances with some carriers - especially when roaming or using virtual SIMs (for example, Tele2, Yota, Tinkoff Mobile).

If your smartphone is not catching the network or the Internet is slow, check the APN settings:

1. Go to Settings. → SIM-maps and mobile networks → [choose SIM] → Access points (APN).
2. Click Add APN and enter your operator’s settings (can be found on its official website).
3. Save the settings and restart the smartphone.

Operators like Yota or Tinkoff Mobile may need to manually specify the network type (e.g. LTE only), as they do not support legacy 2G/3G standards. Also note regional restrictions: in some countries (e.g. the U.S. or Japan), the Redmi Note 7 may not support local 4G frequencies.

Frequent problems and their solutions

Even when you set up the Dual SIM properly, the Redmi Note 7 can crash, and here are the most common problems and ways to fix them:

⚠️ Attention, if after the update MIUI one of them stopped working. SIM-maps, try resetting the network settings (Settings) → SIM-map → Network resetting. This often helps in firmware conflicts with the communication module.

• 🔴 Not defined second SIM-Card: Check that the card is inserted in SIM2 (Clean the contacts of the card and the slot with dry soft cloth. Try inserting the card into another smartphone - if it does not work there, the operator has a problem.
• 📵 There's no network on one of them. SIM-maps: Switch network mode manually (Settings) → SIM-map → [choose SIM] → Network type. Disable and re-enable Flight Mode. Check the balance and status of the service with the operator.
• 🌐 The Internet only works on one thing. SIM-Map: In the mobile data settings, select the desired SIM-Make sure on the second one. SIM Not activated mode only calls.

If you still have problems, try updating your firmware to the latest version of MIUI.

1. Go to Settings → About the phone → System update.
2. Click Check Updates and install the available version.
3. After the update, reset the network settings.

In rare cases, the problem may be hardware damage to the slot — for example, if the smartphone fell or contacts oxidized, in which case only repairs in the service center will help.

Alternatives: How to Use the Two SIM-memory-card?

The main disadvantage of the Redmi Note 7 is the inability to use two at the same time. SIM-map + microSD. But there are a few ways around it:

• ☁️ Cloud storage: transfer photos, videos and documents to Google Drive, Mi Cloud or Yandex.Disk. SIM-map.
• 🔌 OTG-Adapter: Connect a flash drive or external drive through USB-C. Redmi Note 7 is supported by OTG, The speed of reading will be lower than that of the internal memory.
• 📱 Second second SIM electronically: some operators (for example, MegaFon or Beeline) offer the service "Second" SIM" — This is a virtual card tied to the main number. SIM will be on the same operator.

If it is critical to have two physical SIM-cards and memory extensions, consider models with a dedicated microSD slot, for example:

• Redmi Note 8 Pro (3 separate slots: 2 SIM + microSD)
• POCO X3 NFC (also 3 slots)
• Samsung Galaxy A52 (hybrid slot, but with support for eSIM in some versions).

However, if you are tied to the Redmi Note 7, the best option is to use it. SIM1 + SIM2 for communication, and for data storage use the cloud or OTG-It's not as convenient as the built-in microSD, but it doesn't allow you to sacrifice the second one. SIM-card.

FAQ: Answers to Frequent Questions