Smartphone Xiaomi Redmi 5A It remains one of the brand's most popular budget devices, despite the release of newer models, and its availability, reliability and basic functionality attract users who are looking for an inexpensive but productive gadget. SIM-Cards are supported by Redmi 5A, Can you use two SIMs and a memory card at the same time?
In this article, we will discuss the configuration of Redmi slots in detail. 5A, We will talk about the nuances of working with two SIM-maps, compatibility with Nano-SIM and MicroSD formats, and practical tips for optimal use of slots. If you are planning to buy or already own this smartphone, the information below will help avoid typical errors when setting up communication.
Technical characteristics of slots in Redmi 5A
Xiaomi Redmi Model 5A equipped with a hybrid slot for SIM-cards, which means the choice between two options:
- 📱 Two Nano-SIM cards (Dual mode) SIM)
- 📱💾 One Nano-SIM. + MicroSD memory card up to 256 GB)
It is important to understand that two people are used simultaneously. SIM-You can't have a card or a microSD, that's a limitation of the hybrid slot architecture, and if you're critical to both SIMs and additional storage, you'll have to choose between a memory extension or a second. SIM-card.
Technical parameters of slots:
- 🔹 Type of slot: hybrid (combined under the SIM + MicroSD)
- 🔹 Format SIM: Nano-SIM (4FF, 12.3 × 8.8 mm)
- 🔹 Support for standards: GSM 850/900/1800/1900, WCDMA 850/900/1900/2100, LTE FDD 1/3/5/7/8
- 🔹 Maximum MicroSD capacity: 256 GB (format) FAT32/exFAT)
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If you travel frequently, we recommend using a two-way slot. SIM-cards: one for the local operator, the second for the permanent number, the memory card can be transferred to the cloud storage (for example, Mi Cloud) or used OTG-accumulator.
How to check the number SIM-maps in your Redmi 5A
If you already own Redmi 5A and are not sure about the slot configuration, there are several ways to clarify this information:
- External inspection: Remove the tray for SIM-cards with a paper clip (a hole next to the power button). The tray should be engraved with the slots designation: SIM1, SIM2 MicroSD (if supported).
- Phone Settings: Go to Settings → SIM-Maps and mobile networks. Active networks are displayed here. SIM-If you see two SIMs, hybrid slot, if one, maybe the second one is not installed or the slot is occupied by MicroSD.
- Check the model: Make sure you have a Redmi. 5A (codename riva, not another model in the series (e.g. Redmi 5 Plus, where the slot may be different). → The phone. → Model.
How do you remove a tray without a paper clip?
If only one is displayed in the settings SIM-map, but you're sure you've set two, check it out:
- ✅ Correct installation of cards (contacts should be directed downwards).
- ✅ Operator compatibility (some virtual operators may not be supported).
- ✅ Update of the firmware (in older versions) MIUI There could be a problem with the second SIM).
Nuances of working with two SIM-map
Using two SIM-map 5A It has its own characteristics that you should know in advance:
- Network priority: By default SIM1 This is prioritized for calls and mobile Internet. To change this, go to Settings. → SIM-maps and mobile networks → Priority SIM-call-card.
- Limitations 4G: Dual mode. SIM one-on-one SIM-The card can work on the network 4G, the second automatically switches to 3G/2G. This is a hardware limitation, it cannot be circumvented.
- Energy consumption: two active SIM-The cards increase battery consumption ~10 to 15 percent, because the phone is constantly scanning the networks of two carriers. If autonomy is critical, turn off one of the SIMs in the settings.
It is also worth considering that some functions may not work correctly:
- 📞 Calls: If one SIM-The card is busy with conversation, the second will be unavailable for incoming calls (they will go to voice mail).
- 📶 Mobile Internet: When an active Internet connection is on one SIM The second may lose the network (especially in roaming).
- 🔄 Switching: When changing priority SIM for data, the connection is broken and re-established (latency) ~5-10 seconds).
MicroSD Compatibility: What You Need to Know
If you have chosen the option with one SIM-MicroSD and card, consider the following points:
| Parameter | Requirements/specifics |
|---|---|
| Map format | MicroSD (up to 256 GB) supports FAT32 (up to 32 GB) and exFAT (over 32 GB). |
| Class speed | Class 10 or UHS-I is recommended for recording video in 1080p. Cards below Class 4 can slow down. |
| Formatting | When you first connect, the phone will suggest formatting the card. Back up the data, formatting will delete all the content! |
| Applications on SD | In MIUI, you can transfer applications to a map, but it can slow them down. You can't move system applications. |
| Security | Do not remove the card while writing data or running applications – this can cause file damage. |
Important: Redmi 5A does not support the Adoptable Storage feature (extension of internal memory due to MicroSD), which is available in some Android devices.
To check the compatibility of your MicroSD:
- Insert the card into the slot (instead of the second SIM).
- Go to Settings. → Warehouse.
- If the map is defined, but not readable, try formatting it on your PC in FAT32 or exFAT.
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If the phone doesn't see the MicroSD, check it on another device first. If the card works, there's a problem in the slot (possibly contamination of contacts).
Frequent problems and their solutions
Redmi users 5A Often face typical problems when working with SIM-So, we're going to look at some of the most common cases and how to fix them:
⚠️ Note: If after installation of the second SIM-The first one stopped seeing the card, check if the contacts in the slot are bent.
Problem 1: The phone can't see SIM-map
- 🔄 Reset the device.
- 📶 Check if the mobile network is enabled in the settings (Settings) → SIM-maps and mobile networks).
- 🔧 Update the firmware to the latest version MIUI (through settings → The phone. → Updating the system).
- 🛠️ If the card is damaged, try it on another phone. If you have a physical defect (scratches on the chip), replace it.
Problem 2: Mobile Internet is not working on one of the SIMs
- 🌐 Make sure that in the settings APN (Settings → SIM-maps and mobile networks → Access points (APN)) Correct parameters of the operator are indicated.
- 📶 Check the coverage area: possibly the second SIM is in the weak signal zone.
- 🔄 Switch the data priority to another SIM customized.
Problem 3: MicroSD is not defined
- 🔌 Remove and re-insert the card (by turning off the phone beforehand).
- 🖥️ Connect the card to your PC and check for errors (via Properties) → Service → Checking for errors in Windows).
- 🔄 Format the card on your phone (all data will be deleted!).
☑️ Diagnosing problems with SIM/MicroSD
Comparison with other Xiaomi models
If you choose between Redmi 5A and other Xiaomi smartphones, it is useful to compare their capabilities to work with SIM-map:
| Model | Slot type | Max Max. SIM-map | Support for MicroSD Support | 4G on both SIMs |
|---|---|---|---|---|
| Redmi 5A | Hybrid | 2 | Yes (up to 256GB) | No. |
| Redmi Note 5A | Hybrid | 2 | Yes (up to 256GB) | No. |
| Redmi 6A | Hybrid | 2 | Yes (up to 256GB) | No. |
| Redmi Note 8 Pro | Hybrid | 2 | Yes (up to 512GB) | Yes (in some regions) |
| POCO X3 | Hybrid | 2 | Yes (up to 256GB) | Yes (4G+4G) |
As you can see from the table, Redmi 5A It is inferior to newer models of flexibility in use SIM-For example, in the POCO X3 Full support for Dual is provided 4G (Both SIMs can work on the network 4G What is not in Redmi at the same time? 5A.
If you are critical of the two SIM-card 4G, Consider the more common models, for example:
- 📱 Redmi Note 10 – hybrid slot, but with support for Dual VoLTE 4G both-sided).
- 📱 POCO M3 — similar hybrid slot, but with better power optimization in Dual mode SIM.
Recommendations for choosing a configuration
Choice between two SIM-card SIM + MicroSD depends on your priorities. Considerable scenarios:
Scenario 1: Two SIM-Cards (without MicroSD)
Who: Those who travel frequently, use a corporate and personal number, or need a backup SIM (such as roaming).
Pros:
- 🌍 The ability to use tariffs of different operators (for example, profitable Internet on one) SIM, cheap calls to another).
- 🔄 Quickly switch between numbers without rebooting your phone.
Cons:
- 📉 Limited space for applications and media files (Redmi internal memory) 5A — 16/32 GB).
- 🔋 Increased battery consumption.
Scenario 2: One SIM + MicroSD
Who: Users who care about storage for photos, videos, music or heavy apps.
Pros:
- 💾 The ability to expand memory to 256 GB (enough for 50)+ film HD 50,000 pictures).
- ⚡ Lower battery consumption (one) SIM-map = less background processes).
Cons:
- 📱 Inability to use the second number.
- 🔄 If necessary, change SIM You'll have to retrieve the microSD.
⚠️ Note: If you choose a microSD card, you should prefer a brand name card (SanDisk, Samsung, Kingston) that is cheap and often faked with an oversized number, and can fail in a few months.
The optimal trade-off for most users is to use cloud storage (Mi Cloud, Google Drive) to back up data and leave a slot under two. SIM-This will save you on tariffs and stay connected.