Owners of the popular budget smartphone often face questions about the right connection to the cellular network.The Redmi 5 model from Chinese giant Xiaomi is no exception and requires a careful approach to choosing a carrier. The main question when buying or configuring a device remains: Xiaomi Redmi 5 SIM-The map supports and is there any format restrictions.
The device belongs to a class of modern gadgets that work with high data rates. To work correctly all functions, including 4G LTE, you need to use the appropriate plastic standard. In this article, we will discuss the technical nuances, how to install and configure two SIM cards so that you can use your smartphone as efficiently as possible.
Incorrect trimming or choosing the wrong operator can lead to unstable communication. therefore, it is important to know the exact specifications of the tray and the frequencies supported. Below is a detailed guide to help avoid common errors in the first run.
Format and type of supported SIM-map
Xiaomi Redmi 5 is equipped with a hybrid tray, which imposes certain restrictions on the choice of plastic format. The main standard for this device is Nano-SIM. It is the smallest of the existing formats, and this is what the slot requires to work properly.
Micro-SIM or Standard-SIM cards are not available without special trimming. Mechanical interference with the structure of the plastic can damage the contacts or the tray itself, so it is better to contact the communication salon for replacement. Modern operators usually issue cards immediately in the desired format or provide special frame adapters.
It is important to note that the device supports Dual technology. SIM, However, because of the hybrid design of the slot, the user is faced with the choice of using two numbers at the same time. SIM-card SIM-MicroSD card and memory card: simultaneous installation of two SIMs and a flash drive is technically impossible.
- 📱 Main format: Nano-SIM (4FF).
- 📡 Network support: 2G, 3G, 4G LTE.
- 💳 Hybrid slot: 2 SIM 1 SIM + microSD.
- 🔒 Blocking: Possible link to region (China) ROM).
When buying a new card from an operator, make sure it is activated to work on fourth-generation networks, which will provide maximum Internet speed and stable voice connection. Old cards released many years ago may not support all the necessary encryption protocols and frequencies.
Installation instructions SIM-maps in Redmi 5
The process of installing the card in Xiaomi Redmi 5 is quite simple, but requires care. The tray is located on the upper end of the case. To extract it, you will need a special metal clip that comes with the kit, or a thin point (for example, a needle).
Find a small hole next to the elongated tray, carefully insert the paper clip perpendicular to the body and press before clicking, the tray will extend, and it can be removed with your fingers. Be careful: do not exert excessive effort, so as not to damage the mechanism.
⚠️ Warning: Never insert a paper clip into a microphone located next to the tray! this will cause permanent damage to the microphone and loss of warranty.
Put the Nano-SIM card in the appropriate recess of the tray. Notice the bevelled angle of the plastic, which should match the shape of the notch. If you use two cards, place them in the intended locations. The microSD card has a separate space that shares space with the second SIM card.
☑️ Pre-installing check
After stacking, carefully insert the tray back into the case. Make sure it enters smoothly and to the end. If the tray does not enter, do not press, check the correct orientation of the map. Once the device is turned on, the system must automatically determine the new one. SIM-map.
Setting up two SIM-maps and priorities
Once the two cards are successfully installed, you need to set their priorities in the MIUI operating system. By default, the smartphone can use one card for all types of communication, which is not always convenient.
Go to the Settings section → SIM-You can see both active maps here, and you can set up voice calls for each card separately, SMS-This allows for flexible management of costs and coverage.
| Parameter | SIM 1 | SIM 2 | Recommendation |
|---|---|---|---|
| Mobile Internet | Included. | Off. | Choose a card with the best 4G |
| Voice calls | Always ask | Always ask | To control expenditures |
| SMS-message | Basic | Standby | The main one is the tariff with no limit |
| VoLTE | Included. | Off. | Depends on the operator. |
VoLTE (Voice over LTE) is a feature that should be considered, and if your carrier supports this technology, activating it will allow you to talk simultaneously using high-speed Internet without switching to 3G. However, not all carriers support this feature on global firmware versions.
Network Definition Problems and Their Solutions
Users sometimes face a situation where Xiaomi Redmi 5 does not see SIM-It's not a map or network, it could be caused by software failure, incorrect installation, or regional constraints.
If the reboot didn't work, check the network settings. → SIM-maps and mobile networks → Preferred network type select mode 4G (LTE) Sometimes automatic network selection is not working properly and manual prioritization solves the problem.
In some cases, network resets help. This action will remove stored Wi-Fi passwords and Bluetooth settings, but return network settings to factory values. Path to function: Settings → Advanced Settings → Recovery and Reset → Reset settings Wi-Fi, mobile Internet and Bluetooth.
- 🔄 Reboot your smartphone after installing the card.
- 📶 Check if the "In-Flight" mode is on".
- 🛠 Reset your network settings in the menu.
- 🧹 Clear your contacts. SIM-scatter-card.
⚠️ If the phone says “No service” or “Emergency calls only”, make sure that the phone is not in the service. SIM-mapping PIN-code that you didn't enter when you downloaded. PUK-The code requires the entry of a special code from the operator.
Features of Chinese and Global Versions
Xiaomi’s smartphone market is saturated with devices designed for the domestic market of China, such versions (China ROM) may have restrictions in working with local carriers, in particular, may not support some 4G frequencies used in Europe and the CIS.
Global ROMs are free of these issues and fully adapted to international standards. If you purchase a Chinese version, make sure your carrier is operating at frequencies that the phone modem supports. Otherwise, Internet speeds may be limited by the 3G standard.
If the name of the version has the letters "CN", it is the Chinese version. If the letters "MI" or "EU" often indicate a global or European build. If the Chinese version is in the name of the version, it is possible to flash the global version, but requires unlocking the bootloader.
4G LTE usage and speed characteristics
Redmi 5 has a modem that supports frequency aggregation, which theoretically allows you to achieve high speed downloads. However, the real speed depends on many factors: operator coverage, tower load and quality of the tower itself. SIM-map.
For full use 4G it is necessary that SIM-The map was not released before. 2014-2015 year and maintained the standard USIM. Older cards may not be authorized on networks LTE. You can replace the card free of charge in the operator’s cabin, saving your number.
You can see the status of the connection in the mobile network settings, and if the 4G or LTE symbol is on next to the network icon, then the connection is correctly installed, and if H+ or 3G is displayed, then the device cannot connect to the high-speed network.