Why are phone numbers not saved on the SIM-Map in Xiaomi Redmi: a full analysis of the causes and solutions

You are trying to keep an important connection to SIM-The problem is familiar to many users of the low-end and mid-end smartphones of the brand, and it arises regardless of the model: whether it is Redmi Note 12, Redmi or not. 10C Or even the flagship Redmi. K60. What is the reason for this behavior and how to make the phone work correctly with contacts on the Internet? SIM?

In practice, there can be several culprits, from simple errors in settings to hardware malfunctions. In this article, we will discuss all possible reasons why numbers are not saved on the Internet. SIM-map in Xiaomi Redmi, and also give step-by-step instructions for fixing the problem. MIUI, format SIM-If you've tried to reboot your phone or change your card, don't give up, the solution may be in the subtle details.

1. Limitations SIM-Why she can't keep her contacts

The first thing to check is yourself. SIM-The thing is, modern nanos.-SIM (And even micro-SIMs are often devoid of memory to store contacts, not a defect, but a conscious decision by manufacturers: with the development of cloud services and built-in phone memory, the need for local storage of numbers on the card has disappeared. However, many users out of habit try to keep contacts "on the SIM", not knowing that their card does not support this.

How do you know if the SIM is the problem? Use this checklist:

  • ๐Ÿ” Check the type of map: nano-SIM (The smallest ones almost always have no memory for contacts, unlike the outdated mini-SIM.
  • ๐Ÿ“ฑ Try inserting. SIM In another phone (not Xiaomi) and trying to keep in touch โ€“ if it doesnโ€™t work, the card is to blame.
  • ๐Ÿ“ž Contact the operator (MTS, Beeline, Tele2, MegaFon) with a request to check the technical characteristics of your SIM.

If the card does not support the storage of contacts, the outputs are two: either replace it with an older model (for example, micro-SIM with memory), or abandon the idea of saving SIM numbers in favor of Google Contacts or phone memory. By the way, some carriers (for example, MegaFon) still have SIM with memory โ€“ you can ask to replace the card in the communication salon.

๐Ÿ“Š What? SIM-You use the card in your Redmi?
Nano-SIM (smallest)
Micro-SIM
Mini-SIM (old large)
I don't know.

2. Phone Settings: Where Xiaomi Hide the Save Option on SIM

Even if you SIM-The card supports the storage of contacts, Xiaomi Redmi can simply not offer this option by default. MIUI The path to saving contacts isn't always obvious -- especially after updates. Here's how to find the right partition:

  1. Open the Contacts app.
  2. Press on. โ‹ฎ (three points) in upper right corner โ†’ Select Settings.
  3. Go to Import/Export Contacts.
  4. Tap on Contact Management or Contact Warehouse (name depends on MIUI version).
  5. Choose. SIM-map as default save place.

If the paragraph SIM-The card is not listed, which confirms that your card does not support the storage of contacts (see the previous section). MIUI: in certain assemblies (for example, MIUI 14 for global firmware) the option may be hidden deeper or not at all due to Xiaomiโ€™s policy of simplifying the interface.

โ˜‘๏ธ Checking the contact settings in MIUI

Done: 0 / 4

Another nuance: in some Redmi models (e.g. Redmi 9A or Redmi 8), when you create a new contact, the storage field only appears after you enter the name and number, so you first need to fill in the data, and then the system will tell you to choose whether to save it on SIM, in your phone or in your Google account.

3. conflict with MIUI firmware: bugs and their workarounds

Firmware MIUI It's known for its features, which sometimes get more intrusive than helpful, one of which is automatically redirecting contacts to the cloud or to the phone's memory, even if the user chooses to use it. SIM-This could be because of the map:

  • ๐Ÿ› Bugs in a specific version MIUI (especially relevant for beta firmware or custom assemblies).
  • ๐Ÿ”„ Conflict with Google services if the phone is tied to the account and sync is enabled.
  • ๐Ÿ“ฑ Manufacturer restrictions on budget models (e.g. Redmi) A1 or Redmi 10A).

How do we get around these restrictions?

  1. Turn off sync with Google: Settings โ†’ Accounts and sync โ†’ Google โ†’ Disable Contacts After that, try saving the number to SIM again.
  2. Reset the settings of the "Contacts" application: Settings โ†’ Annexes โ†’ Application management โ†’ Contacts โ†’ Warehouse โ†’ Clear the data โš ๏ธ Warning: this will remove all unsaved contacts from your phone's memory! VCF.
  3. Update MIUI to the latest stable version: Settings โ†’ About Phone โ†’ System Update In some cases, the bug is fixed after the update.

If the problem occurs after the update MIUI, You can try to roll back on the previous version (but it is risky and requires unlocking the bootloader). Alternatively, use third-party contact management applications, such as True Contacts or Sim Contacts, which allow you to forcibly save numbers on the bootloader. SIM.

List of Redmi models with known SIM save bugs
Owners of the following devices are more likely to face the problem: - Redmi Note 11 (MIUI 13.0.4 and 13.0.6) - Redmi 10 (MIUI 12.5.3, global firmware) - Redmi 9T (MIUI 12.0.8, Indian build) - Redmi K50i (MIUI 13.0.2, Chinese firmware) In these cases, either resetting or manual update via Fastboot helps.

Hardware problems: when the slot or communication module is to blame

If all software methods have been tried, but the contacts are still not saved on the SIM, the cause may be a hardware malfunction.

  • ๐Ÿ“ถ Bad contact. SIM-slot cards (oxidation, pollution, mechanical damage).
  • ๐Ÿ”Œ Faulty communication module (antenna unit responsible for working with the SIM).
  • ๐Ÿ”‹ Power problems with the slot (for example, after a phone drop or moisture hits).

How to diagnose a hardware problem?

Symptoms.Probable causeDecision
The phone can't see. SIM-map or see it onceOxidation of slot contacts or card damageClean the slot with alcohol, replace the SIM with a new one
SIM is defined but does not allow you to keep contactsFailure of the memory module on the mapReplace the SIM with the operator
After the reboot, SIM contacts disappearProblems with powering the slot or the module firmwareCheck the phone or carry it to the service
Phone says "Mistake." SIM-"Card" when attempting to saveDamage to the file system on the mapSIM Formatting (if supported) or Replacement

If you suspect a hardware malfunction, try the following steps:

  1. Extract. SIM-map and inspect it for scratches, chips or oxidation (green plaque on contacts).
  2. Blow the slot with compressed air (for example, a canister for cleaning equipment) - sometimes dust accumulates there.
  3. Try inserting the SIM into another phone โ€“ if the problem recurs, the card is to blame.

โš ๏ธ Note: if the phone falls or gets wet, do not try to disassemble it yourself to clean the contacts - this can lead to a short circuit. Few people know, but some Russian operators deliberately restrict the functionality of the Internet. SIM-maps, including the ability to store contacts: ๐Ÿ”’ Security enhancements (so that phone theft prevents attackers from accessing numbers). ๐Ÿ“ฑ Promotion of its services (for example, cloud storage of contacts from MTS or Beeline). ๐Ÿ’ฐ Savings in production (cheap) SIM How do you know if your carrier is blocking the retention of contacts? Here are signs: Other brands (such as Samsung or iPhone) have contacts on their phones? SIM They don't survive either. The operator is actively promoting its cloud storage (for example, MTS Contacts or Beeline.Cloud), and when you contact the operator, you are offered alternative storage methods instead of solving the problem. What to do in this situation? Call the operator and see if yours is supported. SIM Ask if you can replace the card with a memory model. If the operator refuses to help, consider switching to another provider (for example, Tele2 or Yota sometimes offer a new service). SIM Use workarounds: Save contacts in Google Account and sync them. Export contacts to a.vcf file and store them in the cloud (e.g. Yandex.Disk). ๐Ÿ’กIf the operator blocks the maintenance of SIM, But it is critical to have a backup of contacts, use the Sim Card app from Google Play. It allows you to manually manage contacts on the card, even if the standard means of contacting the card. MIUI 6. Alternative ways of storing contacts: what to do if SIM Not suitable if all attempts are made to keep the numbers on SIM And they've been in vain, so don't despair, there are lots of alternatives that are more reliable and more convenient: โ˜๏ธ Google Contacts: Automatic synchronization between devices; Recovery when resetting or replacing your phone; Access from your computer via contacts.google.com. ๐Ÿ“ฑ Phone Memory: Contacts are stored in Redmi's internal memory. can be exported to a.vcf file for backup. ๐Ÿ’พ Local Backup: Use the Contact App โ†’ Imports/Exports โ†’ Export to the storage. Backup file can be copied to a computer or flash drive. ๐Ÿ”— Third-party services: Yandex.Contacts, Mail.ru Mail, iCloud (if there are Apple devices). Apps like Truecaller (with backup function) If you still want to have a physical backup of contacts (for example, to transfer to another phone), you can use the good old way: Export contacts to a.vcf file (via Settings). โ†’ Import/Export: Copy the file onto a microSD card or a flash drive, import contacts to a new device if necessary, which is more reliable than storing numbers on a new device. SIM, Since the.vcf file can be opened on any smartphone or computer, and edited manually. ๐Ÿ’กKeeping contacts on SIM-The current alternatives (Google Contacts, Cloud Services) are more reliable, safer and more convenient, especially for users of Xiaomi Redmi with frequent updates. MIUI. FAQ: Frequent questions about maintaining contacts with SIM Xiaomi Redmi Is it possible to keep contact with the SIM, Yes, there are two ways: Use third-party apps like Sim Contacts or Copy to. SIM Card from Google Play. temporarily disable sync with Google and try to save contact manually (see section below). 3). If nothing helps, yours is yours. SIM-The card doesn't physically support the storage of contacts. MIUI Contacts have ceased to exist on SIM? This is a well-known bug of some versions. MIUI (particularly 12.5 and 13). Solutions: Reset the settings of the Contacts application (see section) 3). Reverse to the previous firmware version (requires unlocking the bootloader) wait for the next update where the bug can be fixed. SIM Google Account at Redmi? Yes, for that: Open Contacts โ†’ Settings โ†’ Import/Export. Select Import with SIM-Specify Google Account as a place of saving. Enable sync in Settings โ†’ Accounts. โ†’ Google. All contacts will be copied to the cloud and synced to other devices. What to do if the phone says "Error" SIM-"cards" while maintaining contact: SIM-the card is damaged or does not support the storage of contacts. SIM It's contaminated or oxidized. Phone firmware conflicts with the card (especially if it's from another carrier). Solutions: Try another one. SIM-Clear the slot for the map. SIM Reset the network settings: Settings โ†’ SIM-maps and mobile networks โ†’ Reset network settings. How to export contacts from SIM For this purpose: Export contacts from SIM to.vcf file via Contacts โ†’ Imports/Exports. Connect the phone to your computer and copy the file (usually it is saved in the Download or MIUI folder). Open the file on your PC - it will open in any contact program (Outlook, Thunderbird, etc.). Alternatively, you can use Bluetooth or email to transfer the file.