Owning a modern Xiaomi smartphone involves constantly interacting with dozens of phone numbers that often accumulate over the years. Switching to a new device or simply having to back up the most important contacts often raises the question of how to transfer the records directly to the user. SIM-This is especially true for those who are used to classical communication management or plan to change the device to a button phone without the support of cloud services.
But the MIUI and HyperOS ecosystems have their own unique features that make it different from pure Android. Interfaces can vary depending on the firmware version, and some default options are hidden from the eyes of the average user. In this article, we will go through all the possible ways to transfer data so that you can save the phone book in any format.
It is worth noting that the process does not always go smoothly due to the technical limitations of the format of storage on the SIM card chip. Unlike the internal memory of a smartphone, the SIM has strict limits on the number of characters in the name and number, understanding these nuances will help to avoid loss of information or incorrect display of names after transfer.
Preparation of the device and compatibility check
Before you start manipulating the phone book, you need to make sure that your Xiaomi or Redmi device correctly recognizes the installed phone book. SIM-Often users try to export data without checking the connection status, which leads to errors in the menu. PIN-code and displayed in the status bar.
It is important to understand the difference between storage formats. A modern smartphone contact can contain a photo, email, address, multiple numbers and social networks. SIM-The map is an outdated medium that is technically incapable of storing such information, and when you transfer it, you will inevitably encounter pruning data, so it is better to duplicate critical records in the cloud.
⚠️ Note: Before mass transfer, make sure that SIM-Older cards can hold no more than 250 records, and trying to write more will lead to an error or overwriting of existing data.
It’s also worth checking which SIM card is the default for operations if your Xiaomi uses dual-sim mode.The system can default to offer export to SIM 1, whereas physically you need to save data to SIM 2. You can switch the active card to work with contacts in call settings or directly in the export interface.
Standard way of export through the Contacts app
The easiest and most reliable method that doesn’t require installing third-party software is to use Xiaomi’s built-in Contacts app. MIUI has provided a native export feature that is available in most shell versions. First, open the app and go to the settings menu, which is usually hidden behind three dots or a gear.
In the menu that opens, you need to find the item Import / Export contacts. When you click on it, you will see a list of available actions. SIM-The system will warn you that some data may be lost due to format limitations, which is a standard warning that confirms that long names will be cropped.
☑️ Pre-export verification
After selecting the source (usually a Phone or Device) and the recipient (SIM-The map, the system will suggest you select specific numbers to transfer, you can mark all contacts at once or select only favorite ones, the copying process takes a few seconds, after which a notification will appear on the successful completion of the operation.
If the standard menu does not contain a direct indication of the SIM card, try changing the contact list displayed. In the app settings, find Display Contacts and select All Contacts or Device Memory specifically. Sometimes the export option becomes active only after you explicitly indicate that you are working with your phone's local memory, not a cloud account.
Use of the manager SIM-maps in Android settings
In some versions of MIUI or HyperOS, direct exports from the contact app can be hidden or reworked, and the system layer of SIM management comes to the rescue, a more in-depth method that allows you to manage the data on the chip directly, bypassing some of the limitations of the phone book interface.
To access this tool, you need to go to your Xiaomi Settings, then select the Application section and find Settings. SIM-In some builds, this item may be immediately in the main settings menu or in the Connections and Sharing section.
Inside the SIM management menu, find the Contact Management or Contact Copy button, and here you can choose the copying direction from phone to SIM card or vice versa, and the good thing about this method is that it works at the system level and is less prone to the bugs of a particular caller application.
⚠️ Note: When using a system manager SIM-The process may look slower than in the contact app. Do not interrupt the operation and do not remove the SIM card tray until the final notification appears.
The advantage of this method is that it often allows you to see the real amount of free space on the SIM card before the operation begins, and if the memory is full, the system will issue a warning and suggest that you delete old records or select fewer contacts to copy.
What if the SIM control point is not in the settings?
Work with format limitations and coding
One of the most common problems with transferring contacts to Xiaomi is name distortion, which is because the GSM standard used by SIM cards has strict restrictions on character encoding, and Russian letters can turn into question marks or unreadable characters if unsupported encoding is used.
The storage format on a SIM card is usually limited to 10-14 characters for the name and a standard number format. If the contact name in your Redmi or POCO is longer, it will be automatically cropped. For example, the name "Alexander Pushkin" is likely to turn into "Alexander C.", which may make it difficult to search in the future.
💡
Tip: For critical contacts that you transfer to a SIM card, it is recommended to pre-rename them by shortening the name to a surname or first word to avoid automatic and unpredictable pruning by the system.
In addition, the SIM card does not support storing additional numbers for one contact, and if a person has a mobile, work and home phone, the SIM card will usually only retain the first number on the list, and all other data will be ignored when exported.
To minimize losses, it is recommended to conduct a phone book audit before exporting, remove duplicates, combine repeating entries and make sure that the numbers are recorded in an international format, which will increase data compatibility with possible future migration to other devices.
Alternative methods and third-party applications
If MIUI’s regular tools are not working well or are not working properly, proven third-party solutions come to the rescue. Google Play Store offers a variety of applications specializing in contact management. One of the most reliable is the Copy My Contacts app or similar utilities with high ratings.
Using third-party software gives you more control over the process, so you can select specific export fields, filter contacts by group, and even back up.vcf before transferring to a SIM card, which creates an additional layer of data security.
Another effective method is to use cloud services as an intermediary, so you can sync your contacts with Google Contacts and then import them to the SIM card via a web interface or a special application on another device, but you still need a phone to write directly to the SIM card.
| Method | Difficulty | Saves a photo. | Saves the email. | Risk of data loss |
|---|---|---|---|---|
| Built-in application | Low. | No. | No. | Low. |
| SIM settings | Medium | No. | No. | Low. |
| Third-party annexes | Medium | No. | Partially. | Medium. |
| Manual input | Tall. | No. | No. | High (human factor) |
💡
Third-party applications are only justified if standard Xiaomi features are blocked or are error-prone, and 95% of the time, the built-in functionality is sufficient.
Frequent mistakes and ways to solve them
During the transfer process, Xiaomi users often encounter a message that says “failed to keep contact” or “Memory”. SIM-The first error often occurs when the number is written in the wrong format or contains characters that are not acceptable for the SIM card (for example, letters in the number or special characters.
The second problem is to delete old records, and the SIM card is a static memory, and if it's filled with 250 contacts, the new one just won't sign up, so you have to go into the SIM card contact management and delete unnecessary or duplicate entries.
Sometimes, after export, contacts appear, but without names, only numbers, which is a classic sign of a problem with encoding or overflowing the name field, in which case only manual editing of the most important numbers directly in the SIM card memory through the control menu will help.
⚠️ Note: Never use the "Delete all contacts with" function SIM-maps inside the contact app, unless you're sure the backup is done, it's almost impossible to recover data deleted from the SIM card.
It’s also worth considering that some carriers block the recording of contacts on their branded SIM cards. If you use a corporate SIM card or an old-style card from a particular carrier, the recording feature may not be technically available.