SMS remains one of the most reliable communication channels even in the era of instant messengers. SMS Integrated into the standard Messages app, but many users are unaware of the hidden features, from automatic archiving to spam blocking. This article will help you understand everything from basic setup to solving typical problems.
We will look at the current versions of the firmware MIUI 14/15 (including global and Chinese builds, take into account the features of the Redmi Note models 12/13, Redmi 10/11 And other popular lines. We'll focus on customization. SMS through SIM-Two carrier cards are a feature that is in demand among owners of Dual-SIM devices. If you are experiencing problems sending messages or want to optimize the work of the messenger, here you will find proven solutions.
Basic setting SMS Xiaomi Redmi
The first step is to check the correctness of the settings SIM-Go to the settings. → SIM-Maps and mobile networks:
- 📱 Make sure that SIM-Card activated (Connected status»)
- 📡 Select the preferred network type (recommended) 4G/5G steady-work)
- 🔄 Check if the “only” mode is activated 2G» (can block SMS)
Then open the Messages app (the envelope icon on the desktop). In the first run, the system may suggest making it the default app, agree. If messages are not sent, check:
- 📶 Network signal level (at the top of the notification panel)
- 💳 Correct installation SIM-Cards (Reboot your phone if you have recently changed your card)
- 🔒 No blocking by the operator (sometimes activation of the service is required «SMS-roaming)
For models with two SIM-Cards (Redmi Note 12 Pro)+, Redmi 11 Prime is a good choice. SIM default SMS. This can be done in the settings of the application "Messages»: ⋮ → Settings → SIM-map SMS. The option is “Always Ask” – convenient if you switch between operators often.
⚠️ Note: Some Chinese Firmware (MIUI China) the Messages app may not be available, in which case use Google Messages from the Play Market or check for system updates.
Extended parameters SMS: archiving, notifications, spam
The standard Messages app on Xiaomi Redmi hides a few useful features:
- Message Archive: Automatic Save SMS into MI Cloud (includes in Settings) → Archiving and recovery. Useful when resetting your phone.
- Blocking Spam: Filtering Unsolicited Messages from Banks/Advertising (Settings) → Spam and blocking. runs on Xiaomi database.
- Notifications on the lock screen: Configure in Settings → Notifications → Messages (the option to “Show contents»).
For business users, Message Templates are useful. Create pre-built text that is frequently used:
- Open the chat with any contact.
- Press on. + → Templates.
- Add a new template (e.g., “I’m on the way, wait 10 minutes”).
| Function | Where to turn it on | What do you need? |
|---|---|---|
| Voicemail | Settings → Voicemail | Sending. SMS misspelled |
| Blacklist. | Settings → spamming → Blacklist. | Blocks messages from selected numbers |
| Delivery alerts | Settings → Additionally. → Notification of delivery | Tells me if it's reached. SMS addressee |
| Backup | Settings → Archiving | Keeps history in MI Cloud or device |
In the models with MIUI 15: The function «SMS Wi-Fi (for operators that support the RCS). To activate:
- Go to Settings. → Additionally. → Messages on Wi-Fi.
- Turn on the switch and follow the operator's instructions.
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If SMS Not sent via Wi-Fi, check if your carrier supports the technology RCS (check on the official website or on the number 0611 for MTS / Beeline / Megaphone).
Setting up SMS two-way SIM-map
Dual-SIM-enabled Redmi owners often face confusion when sending messages. SIM-The card you chose for calls, but this can be changed.
To appoint a separate SIM for SMS:
- Open “Messages” and click on ⋮ → Settings.
- Choose. SIM-map SMS.
- Enter your preferred card or activate the “Always Ask” option.
If you need to send SMS non-mainly SIM:
- Create a new message.
- Click on the icon. SIM-map next to the text input field.
- Choose the right one. SIM list.
⚠️ Attention: On some firmware (MIUI 13 and below) option of choice SIM for SMS In this case, update the system or use third-party messengers such as Google Messages.
For business users working with two numbers, it is useful to configure different notification signals for each. SIM:
- Go to Settings. → Notifications → Notification sounds.
- Choose. SIM 1 and SIM 2 separately.
- Assign unique tunes (for example, vibration for work) SIM, personal).
Make sure both SIM active in Settings → SIM-map
Check the balance on both SIM (shipment SMS can be blocked at zero)
Designate SIM default SMS messenger-like
Send a message to each tester SIM-->
Solving problems with sending/receiving SMS
If messages are not sent or do not arrive, follow the diagnostic algorithm:
1. Network verification
- 📶 Make sure that the mobile internet is turned on or at least 2G (SMS They work even without packet data).
- 🔄 Reboot the phone – it will reset the network settings of the communication module.
- 📡 Manually select the operator network in Settings → Mobile network → Network selection (sometimes automatic mode fails).
2. Settings APN
Wrong parameters APN (access points may be blocked SMS. To throw it off:
- Go to Settings. → SIM-maps and mobile networks → [choose SIM] → Access points (APN).
- Press. ⋮ → Reset to default values.
- If the problem remains, add APN manually (options can be requested from the operator).
Problems with the annex
Xiaomi's standard messenger sometimes conflicts with updates.
- 🔄 Clear the app cache: Settings → Annexes → Communications → Warehouse → Clear the cache.
- 📥 Update the app through the Play Market (if you use global firmware).
- 🛠️ Install an alternative messenger (Google Messages, Textra).
For Redmi models with MIUI 14 and later available function "Diagnostics of the network»:
- Open the Settings. → Memory. → ⋮ → Diagnostics.
- Select Network Problems and follow the instructions.
What to do if SMS is delayed?
Security: Encryption and Protection SMS
SMS messages often contain sensitive information (confirmation codes, bank data), and Xiaomi Redmi offers several layers of protection:
Blocking the annex
Protect access to messages with a password or fingerprint:
- Open the Settings. → Privacy → Application lockdown.
- Select “Messages” and install PIN-code.
2. Encryption of backup copies
In archiving SMS into MI Cloud Enable Encryption:
- Go to Settings. → Archiving → Archiving settings.
- Activate the option “Encrypt backup”.
3. Spam filtering
V MIUI There is a spam number database built in, but it can be supplemented:
- Add fraudster numbers manually to Settings → spamming → Blacklist.
- Enable the option to “Filter messages from unknowns”.
For additional security, use container applications (e.g. Second Space in the MIUI), to separate personal and workers SMS. This is especially true for Redmi Note 12 Pro owners.+ Other flagships with support for Dual App.
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Never save. SMS cloud-coded (MI Cloud or Google Drive: Scammers can access them through data breaches or phishing.
Automation SMS: Quick answers and schedules
Automation functions in MIUI It makes it easier to work with messages:
1. Quick answers
Set up templates for frequent situations:
- 📝 Open the chat room. → + → Templates. → «Add a new one».
- 🔤 Use variables (for example, %name% for contact name).
2.A machine-responder
Set up automobility responses to missed calls or SMS:
- Go to Settings. → Voicemail.
- Select a trigger (for example, “If you don’t answer the call”).
- Write the text of the message and save it.
3. Schedule of dispatch
Delayed shipment SMS available through third-party applications (for example, SMS Scheduler, but in MIUI 15 built-in function appears:
- Create a message, but instead of sending, click ⋮ → Delay shipment.
- Choose a date and a time.
It is useful for business users to set up automatic archiving SMS It's done in the cloud at a certain frequency. → Archiving → Schedule.
Advice for Advanced Users
If you are actively using SMS For work or business, these features will save time:
1. Exports of history SMS
Save messages to.xml for analysis or backup:
- Install Backup & Restore SMS from Play Market.
- Select “Backup” and specify the save folder.
- You can open the file in Excel or Google Sheets for analysis.
Integration with CRM
For entrepreneurs: connect SMS type-system Bitrix24 or AmoCRM through API. On Redmi for that:
- 🔌 Use the Tasker app to automate your shipment.
- 📊 Set up a redirect. SMS via email IFTTT.
3.Voices SMS
Send voice messages as if they were SMS (translating):
- 🎤 In the chat, click on the microphone icon.
- 📝 The system recognizes speech and sends a text message.
For developers: in MIUI available SMS API You can find documentation on Xiaomi's official developer website.
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Voice-over. SMS It takes less traffic than audio messages in messengers, and reaches even with a weak network signal.