The Xiaomi Redmi Note 7 remains one of the most popular smartphones in the budget segment even years after its release, and its reliability, performance and flexibility make it relevant for users who are looking for a balance between price and functionality. When choosing a phone, many people are faced with the question: how much? SIM-Redmi Note 7 supports cards and can you use two SIMs and a memory card at the same time?
In this article, we will discuss in detail the design of the slot for SIM-In Redmi Note 7, we will explain how to insert cards correctly, what formats are supported, and what restrictions should be considered. SIM-If you're planning to buy a card, avoid conflicts with the network, and make the most of the hybrid slot, if you're planning to buy it or you've already owned it, the information will be useful!
Technical characteristics of the slot SIM-Maps in Redmi Note 7
Smartphone Xiaomi Redmi Note 7 is equipped with a hybrid slot that supports:
- 📱 Two nanoSIM cards (4FF) simultaneously
- 📱 One nanoSIM card. + microSD memory card (up to 256 GB).
This means that two people are used simultaneously. SIM-You can’t have a card or a memory card, you have to choose between a second SIM or a memory extension, a common approach for most budget and mid-budget Xiaomi smartphones, where the manufacturer saves space inside the case.
It is important to note that the slot supports Dual. SIM Dual Standby (DSDS) — both SIM-The cards may be active at the same time, but during a conversation on one of them the second will not be available for calls (only for the purpose of the card). SMS/Internet depending on settings. Also Redmi Note 7 network-compatible 4G LTE both SIM-cards, but with reservations:
- 🌐 If both SIMs work in 4G, The Internet will be active on one priority).
- 📶 VoLTE support depends on the operator and the region (most providers work in Russia).
How do you put it in? SIM-Map in Redmi Note 7: step-by-step instructions
Installation process SIM-Redmi Note 7 cards are simple but require care:
- 🔧 Paperclip or special key (comprised with phone).
- 📱 NanoSIM cards (if you have regular cards) SIM MicroSIMs, which need to be trimmed or replaced by the operator).
Sequence of action:
- Turn off your smartphone (recommended, but not required).
- Find a slot for SIM-cards on the top of the phone (near the 3.5 mm audio jack).
- Put the paperclip in the hole and leicht press to the tray out.
- Place it. SIM-cardboard: 📌 Slot 1 (usually marked as SIM1) — The main SIM (supports) 4G). 📌 Slot 2 (SIM2 microSD or microSD – second SIM or memory card.
Carefully insert the tray back before the click.
☑️ Preparation for installation SIM-map
⚠️ Warning: Don't try to insert a microSIM without an adapter - it can damage the slot's contacts. SIM-card, contact the operator for a replacement with nanoSIM (usually free of charge).
Setting up two SIM-Maps: Priorities, Internet and Calls
After installation SIM-You need to set the cards up properly. In Redmi Note 7, you do this through the Settings menu. → SIM-Maps and mobile networks. Here are the key parameters that you can configure:
| Parameter | Description | Recommendation |
|---|---|---|
| Priority SIM for Calls | What SIM will be used by default for outbound calls. | Choose a SIM with a more favorable tariff for calls. |
| Priority SIM for SMS | What SIM will send SMS by default? | Usually the same as the priority for calls. |
| Mobile Internet | What kind of SIM will be used for data transfer? | Choose a SIM with unlimited or cheaper traffic. |
| Turn on 4G | Activation. LTE each SIM-map. | Turn it on for both if the operator supports it. |
Pay special attention to the setting of mobile Internet:
- 📶 If both SIMs support 4G, The Internet will only work on one (selected in the settings).
- 🔄 To switch, you need to manually change priority in Settings → SIM-map → Mobile Internet.
- ⚡ When the Internet is active on one SIM, the second may not catch the network in mode 4G (pass 2G/3G).
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If you have trouble connecting to 4G second SIM-map, try to manually select the network in the settings (Settings) → SIM-map → Network selection: Sometimes the automatic mode is not working properly.
Compatibility with operators and regional nuances
Redmi Note 7 supports most Russian and international carriers, but there are a few points to consider:
- 📡 In Russia, the smartphone works with all the main operators: MTS, Beeline, MegaFon, Tele2, Yota, as well as virtual (Tinkoff Mobile, SberMobile, etc.).
- 🌍 For travel abroad check the frequency support: 🇪🇺 Europe: Full compatibility with the 4G (Band 1/3/7/20). 🇺🇸 USA: may not support some bands (e.g. Band) 12/17 T-Mobile). 🇨🇳 China: Full compatibility (the model was originally designed for this market).
⚠️ Note: If you buy a Redmi Note 7 with gray imports (e.g. from China), check if it supports Russian frequencies. 4G. Some Chinese versions may not work with the 800 MHz Band 20, which is used extensively in Russia for covering in remote areas.
Also note that:
- 🔄 Roaming may not work smoothly if the operator does not support VoLTE in roaming.
- 📞 On some tariffs, the second SIM-The card can block outgoing calls (for example, at MegaFon on tariffs with unlimited minutes).
How do I check for frequency support?
Frequent problems with SIM-maps and their solutions
Redmi Note 7 users sometimes face work-related issues SIM-Here are the most common ones and the ways to solve them:
| Problem. | Possible cause | Decision |
|---|---|---|
| The phone can't see. SIM-map | Incorrect installation, damaged slot, inactive SIM. | Reinstall the card, check in another phone, contact the operator. |
| There's no network on one of them. SIM-map | Settings conflict, wrong network choice, operator problems. | Restart your phone, select the network manually, check the balance. |
| It's not working. 4G second SIM-map | DSDS restriction, wrong APN settings. | Check the APN settings, turn off 4G on the first SIM. |
| The phone gets overheated when using two SIM-map | Active network search, weak signal, background processes. | Turn off automatic network search, check coverage. |
If the phone stopped seeing SIM-After updating the card, try it:
- Reset network settings: Settings → System → Reset settings → Reset network settings.
- Update the firmware to the latest version (via Settings → About Phone → System Update).
- Check the slot for physical damage (such as bent contacts).
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If after all the manipulations SIM-The card is not detected, the problem may be in the hardware (damaged slot or controller.
Alternatives: How to Use the Two SIM-card and memory card simultaneously
As we mentioned, the Redmi Note 7 does not support simultaneous operation of two devices. SIM-But there are a few workarounds:
- ☁️ Cloud storage (Google Drive, Yandex Disk, Mi Cloud): Pros: access to files from any device, automatic synchronization. Cons: requires the Internet, limited space in free rates.
- 🔌 OTG-adapter + USB: Pros: you can connect an external drive by USB. Cons: Inconvenient to wear an adapter, limited data transfer speed.
- 📱 Second second SIM-eSIM card (not official): Pros: Frees up the physical slot for microSD. Cons: Redmi Note 7 doesn't support eSIM hardware, software bypass will be required (risky).
The most reliable option is to use the cloud to store files and leave two files on your phone. SIM-If you are critically important to a memory card, you may have to donate a second SIM or consider buying a smartphone with a dedicated microSD slot (e.g., Redmi Note 10 or a new one). POCO X3).
Comparison with other Xiaomi models: which is better for two SIM-map?
If the possibility of using two SIM-cards and memory cards are important for you at the same time, compare the Redmi Note 7 with other popular models of Xiaomi:
| Model | Slot type | Two SIMs + MicroSDs | 4G support for both SIMs |
|---|---|---|---|
| Redmi Note 7 | Hybrid (2 nanoSIM or 1 nanoSIM + microSD) | ❌ No. | ✅ Yes. |
| Redmi Note 8/8T | Hybrid | ❌ No. | ✅ Yes. |
| Redmi Note 9/9S | Hybrid | ❌ No. | ✅ Yes. |
| POCO X3 NFC | Hybrid | ❌ No. | ✅ Yes. |
| Redmi 9A/9C | Dedicated slot for microSD + 2 nanoSIM | ✅ Yes. | ❌ No, just one. SIM supportive 4G) |
As you can see from the table, the full support of the two SIM-MicroSD and cards are offered only by the most budget models (e.g. Redmi). 9A), But they're inferior to the Redmi Note 7 in terms of performance and screen quality. + Two SIMs and a memory card is not so important, the Redmi Note 7 is a great choice.
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If you travel frequently and need two SIM-maps (local) + Russian, consider buying a phone with Dual support SIM Dual 4G (For example, Xiaomi Mi 10T or POCO F3).