Modern smartphones Xiaomi Redmi support the work with two SIM-With cards, which allow you to separate personal and work numbers, save on roaming or use tariffs of different operators, however, not all users know how to properly configure this feature to avoid problems with connection, missed calls or quick battery discharge.
In this article, we will discuss all the nuances of working with two SIM-maps on the Redmi Note 12/11/10, Redmi 13C/12C, POCO X5 And we'll focus on common errors that cause failures, and we'll give you recommendations for optimizing charge consumption.
If you just bought a smartphone with Dual support SIM Or you've been using two cards for a long time, but you're in trouble, and this is a guide to how you can set things up as efficiently as possible. SIM-maps, manage mobile Internet and solve typical problems like βno network catchesβ or βno SMS coming".
1.A check of Dual support SIM in your model
Before buying the second one SIM-Make sure your Xiaomi Redmi really supports dual physical cards.Most current models (released after 2018) feature a hybrid slot that allows you to use the two physical cards:
- π± Two nano-SIM cards
- π± One nano-SIM. + microSD card (up to 1 TB)
The exception is the flagship models of Redmi. K60 and POCO F5, wherein SIM Not a hybrid, but you can use two. SIM-Cards simultaneously with microSD.
To check the compatibility:
- Turn your smartphone over and find a tray for SIM-maps (usually left).
- Look at the icon next to the slot: if two are shown SIM-Cards: Both are supported if one SIM + SD β hybrid.
- Look at the official characteristics of the model on the Xiaomi website (the "Network" section).
In hybrid slot models, the second one is installed when microSD is installed. SIM-The card automatically turns off. For example, in Redmi Note 11 you can not use two at the same time. SIM memory card.
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If you travel frequently, choose models with a separate microSD slot (e.g. Redmi). 10C or POCO M5), so as not to sacrifice the second SIM-card.
Installation SIM-maps: step-by-step instruction
The installation of two SIM-Xiaomi Redmi cards are simple, but require care:
- π§ Paperclip or special key for extracting the tray (comes complete).
- π± Two nano-SIM cards (if you use a hybrid slot, one of them can be a microSD).
Sequence of action:
- Turn off your smartphone (optional, but recommended for safety).
- Insert the paperclip into the tray hole and press gently until it is pushed out.
- Place it. SIM-schemas in the schema (usually SIM 1 - top slot, SIM 2 - lower).
- Put the tray back in before the click.
Note: on some models (e.g. Redmi) 9A) slot SIM 2 Supports only the network 2G/3G, SIM 1 β 4G/5G. Please specify this in the specifications of your model!
Make sure that the cards are trimmed to nano-SIM|
Check the compatibility of the slot (hybrid or not)|
Turn off the phone before installation|
Place the cards according to the scheme on the tray-->
3. Setup of two SIM-maps on the smartphone menu
After installation SIM-The smartphone will automatically determine the cards, but for the correct operation you need to configure several parameters. β SIM-maps and mobile networks
Here you will see two sections for SIM 1 and SIM 2. Basic settings:
- π Names SIM-Assign names like "worker" or "personal" to avoid confusion.
- πΆ Network Priority: Choose which card to use for calls, SMS and mobile Internet by default.
- π Saving Charge: Turn off network search for unused SIM, unless you need it all the time.
For mobile Internet management:
- Go to Settings β SIM-cards and mobile networks β Mobile Internet.
- Choose which one. SIM will be used for data transmission (or enable the option "Request always").
- Activate Traffic Saving Mode if you have a limited rate.
What to do if the smartphone does not see the second SIM-map?
4. Call management and SMS: priorities and rules
One of the main features of Dual SIM It allows you to flexibly configure which card is used for calls and messages. At Xiaomi Redmi, this is done through: β SIM-maps and mobile networks β Calls.
Basic options:
- π Default calls: Select SIM 1, SIM 2 or "Always ask" (recommended).
- π¬ SMS Default: Similar to calls, but can be tied to a specific SIM.
- π Call forwarding: Set up a redirect from one SIM The other one, if one of them is not available.
For convenience, you can assign different ringtones for each SIM-map:
- Go to Settings β Sound and vibration β Call melody.
- Choose. SIM 1 SIM 2 and set up a unique tune.
An important caveat is that if you use WhatsApp, Telegram, they are tied to a phone number, and you need to use both numbers:
- Install two copies of the messenger through Settings β Annexes β Cloning of applications.
- Or use work profiles (on Android 12)+).
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Always ask for a call and SMS let him choose SIM-card just before the action, which is convenient if you often switch between numbers.
5. Optimization of battery consumption when using two SIM
One of the main problems of Dual SIM This is an increased charge consumption, because the smartphone is constantly maintaining a connection to two networks:
- π Disable Network Search for Unused SIM: Settings β SIM-map β [choose SIM] β Searching the net β Manually.
- β‘ Enable Energy Saving Mode in Settings β Battery.
- πΆ Turn it off. 5G, If you do not need it (go to Settings). β SIM-map β Network type and select 4G).
It is also useful to set a background activity limit for applications that use mobile Internet:
- Go to Settings β Applications β Permissions β Autorun.
- Turn off auto-start for unnecessary applications.
- B Settings β Battery β Battery Optimization Include Limitations for Energy-intensive Programs.
Comparison of battery consumption in different modes:
| Mode of work | Charge consumption (in 8 hours) | Quality of communication |
|---|---|---|
| Two. SIM into 4G | 25-30% | High. |
| SIM 1st 4G, SIM 2nd 2G | 18-22% | Average (SIM 2 without internet) |
| One. SIM active, second off | 12-15% | Low (missing calls to the second) SIM) |
| Aircraft mode with Wi-Fi | 5-8% | No mobile phone. |
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If you rarely use the second SIM-map, turn it off overnight via the Quick Settings panel (swipe down from the top edge of the screen) β icon SIM-map).
6. Solving common problems
In the case of two SIM-Xiaomi Redmi users often face typical problems. Let's consider the most frequent and ways to fix them:
Problem 1: Not catching a network on one of the SIM-map
- π Reboot your smartphone.
- πΆ Check if the flight mode is on for this one. SIM (sometimes it works by accident).
- π§ Reinstall. SIM-card.
- π‘ Manually select the network: Settings β SIM-map β [choose SIM] β Searching the net.
Problem 2: The battery goes down quickly
β οΈ Note: If the smartphone is more than 50% post 4-5 during normal use, check the settings β Battery β Battery use: If you see high consumption of the Android System, or SIM Toolkit, disable automatic network search for one of the SIM-map.
Problem 3: They don't come SMS one-way SIM
- π¬ Make sure that SIM-card activated by the operator.
- π₯ Check if the lock is not included. SMS In Settings β Annexes β Communications β Blocking spam.
- π Restart the phone or remove/paste SIM-map.
Problem 4: Mobile Internet is not working on the second SIM
- π Make sure you have an internet connection.
- πΆ Check the settings. APN: Settings β SIM-map β [choose SIM] β Access points (APN).
- π Switch the network type to 4G: Settings β SIM-map β [choose SIM] β Type of network β 4G.
What to do if your smartphone stops seeing both SIM-map?
7. Additional chips and hidden settings
Xiaomi Redmi has a few hidden features that do the job with two SIM-maps are even more convenient:
1. Quick switching between SIM-map
Add the switching panel SIM note-curtain:
- Swipe down from the top of the screen to open the notification bar.
- Click on the pencil icon (or "Edit").
- Find the tile. SIM-Maps and drag it to the active area.
Now you can quickly turn off/on SIM-Maps or switch mobile Internet directly from the curtain.
2. setting up notifications for each SIM
You can assign different notification sounds and vibrations to call from different locations. SIM-map:
- Go to Settings β Sound and vibration β Notification sounds.
- Choose. SIM 1 SIM 2 and set up unique signals.
3.Using two WhatsApps on the same phone
If you need to use WhatsApp on both numbers:
- π± Install the second application through Settings β Annexes β Cloning of applications.
- π Or use work profiles (on Android 12)+): Settings β Users and accounts β Add a user.
4.Saving traffic with Dual SIM
If you have different rates for SIM-maps (for example, unlimited on one and limited traffic on the other), set up data usage rules:
- Go to Settings β SIM-cards and mobile networks β Mobile Internet.
- Choose which one. SIM It is used for the Internet by default.
- For individual apps (e.g. YouTube), limit background traffic to Settings β Annexes β [select] β Mobile data.
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Use the βBackground Limitβ feature in your mobile data settings so that apps (such as social media) donβt consume second-hand traffic. SIM-cards without your knowledge.