Moving to a new smartphone or replacing a SIM card is often accompanied by the need to transfer the phone book. Owners of devices based Android are faced with a situation where the numbers are stored on the old chip, and the new device requires them to be in the internal memory or cloud storage. The import process may seem confusing due to differences in manufacturer shells, such as One UI from Samsung or MIUI from Xiaomi, but the basic algorithm of actions remains the same for the entire ecosystem.
Storing contacts directly on SIM card is considered an outdated method, since the chip has strict limitations on memory capacity and record length. However, many users continue to use this media out of habit, unaware of the risks of data loss if the chip breaks down. Exporting numbers to internal storage or account Google ensures their safety and allows you to synchronize data between devices automatically.
In this article we will analyze in detail all the ways to transfer a phone book, from standard system tools to using third-party utilities. You'll learn how to work around recording format limitations and what to do if the import menu option is greyed out or missing. Following the instructions will help you quickly restore all necessary connections without losing data quality.
Preparing the SIM card and phone for transfer
Before starting the import procedure, you must make sure that the physical storage medium is working and correctly identified by the system. Insert the SIM card into the appropriate slot on your smartphone and wait until the network icon appears in the status bar. If the device supports two cards, make sure that you know which slot the card with contacts is installed in, since in the settings you sometimes need to explicitly specify the data source.
Check whether there is enough free space in the internal memory of the phone or in your account Google to accommodate all the entries. Although text data takes up negligible space, full storage can cause system applications that manage contacts to malfunction. It is also recommended to charge the device's battery to at least 30-40% to avoid sudden power cuts while data is being written.
It is important to understand the difference between copying and moving. The standard import function creates a duplicate entry in the internal memory, leaving the original on the SIM card. This is a secure approach that allows you to keep a backup copy on physical media in case synchronization fails. Only after successfully checking the imported numbers can you begin to clear the SIM card.
⚠️ Attention: Some telecom operators block writing new contacts to their SIM cards, but reading is usually always available. If you cannot save a number on a SIM card, this is a tariff restriction, not a phone malfunction.
☑️ Ready for import
Standard import method through the Contacts application
The main tool for managing the phone book is built into each device based on Android. The interface may differ slightly depending on the version of the operating system and the proprietary shell, but the logic of the actions remains the same. Open the application Contact or Phone and go to the subscriber list management section.
To access the import functions, you need to find the settings menu, which is most often hidden behind the icon with three dots in the upper corner of the screen or behind the gear symbol. In the list that opens, select Manage contacts or Import/export contacts. The system will prompt you to select the direction of data transfer: from SIM card to phone, from phone to SIM card or between accounts.
Click on the option Import from SIM card. The system will ask you to confirm the action and prompt you to select a destination for the stored numbers. This is a critical step, since the choice determines the further availability and synchronization of data. Usually, options are available to save to the internal memory of the device or to a linked account Google.
Always choose to save to a Google account and not to the internal memory of the phone. This ensures that if you lose or replace your smartphone, your phone book will be restored automatically after logging into your account.
After selecting the destination storage, the copying process will begin. The screen can display a progress bar or the number of processed records. Upon completion of the operation, the system will notify you of success or report errors if some numbers could not be read due to damage to the memory cells on the chip.
Features of import in different Android shells
Smartphone manufacturers often modify the standard interface Androidby adding your own controls and changing the menu layout. This may confuse a user accustomed to a clean interface Pixel or Moto. Let's look at the nuances of popular shells so that you can quickly find the function you need, regardless of the brand of your device.
In smartphones Samsung with a shell One UI the import path is as follows: open the application Contact, click on the menu (three horizontal bars) and select Contact management. Next comes the item Import contacts, where you need to select SIM card and tick the numbers for transfer or select All. A special feature Samsung is the ability to import from two SIM cards at once, if they are active.
Devices Xiaomi, Redmi and Poco controlled by MIUI or HyperOS have a slightly different structure. Go to the application Contact, click on the profile icon or three dots, then select Import/export contacts. Here it is important to select the source SIM card and destination Phone or Mi Account. The interface MIUI often offers additional options for merging duplicates immediately after import.
Smartphones from other brands, such like Honor or Realme, can also have unique menu item names. For example, a function may be called Copy contacts and located in the section Settings main dialing screen. If you cannot find the item you need, use the search in your phone settings by entering the query "import" or "contacts".
| Brand / Shell | Path to menu import | Features |
|---|---|---|
| Samsung (One UI) | Contacts → Menu → Contact management → Import | Multiple selection support, convenient preview |
| Xiaomi (MIUI/HyperOS) | Contacts → Menu → Import/export → From SIM card | Automatic suggestion for merging duplicates |
| Google Pixel (Stock Android) | Settings → Contacts → Import from SIM card | Minimalistic interface, direct synchronization with Google |
| Honor / Huawei | Contacts → Menu (4 dots) → Import/export | Separate menu for managing the SIM card |
Name length limitation problem and truncated contacts
One of the most common import problems is truncated contact names. The technology for storing data on SIM cards was developed decades ago and has strict technical limitations. The GSM standard allows you to store a contact name of no more than 14-16 characters in length in GSM 7-bit encoding, and when using Cyrillic (UTF-16) this number is halved, to 7-8 characters.
As a result, after transferring to a modern smartphone, you may find that the name is “Ekaterina Alexandrovna” turned into "Ekaterina A" or a set of incomprehensible symbols. This is not a phone error or a software failure, but a physical limitation of the capacity of the memory cell on the SIM card chip. It is impossible to recover lost parts of a name programmatically after import, since this data was simply not written to the media initially.
To avoid confusion in the future, it is recommended that immediately after import you go through your contact list and manually edit the truncated names. This will take some time, but will ensure that subscribers are displayed correctly in instant messengers and for incoming calls. Modern smartphones support names up to hundreds of characters long, so internal memory does not impose such restrictions.
⚠️ Attention: If during import you see hieroglyphs or question marks instead of names, this means that the encoding does not match. Try changing the phone system language before trying to import again, although this rarely helps.
There is also a limit on the number of numbers associated with one name. On a SIM card, a contact can usually only have one phone number. If there are several numbers recorded on the SIM card under the same name (home, mobile, work), when importing, the system can create several different contacts with the same name or save only one of the numbers, ignoring the rest.
Technical details of SIM memory limitations
A standard SIM card has a dedicated memory area (EF_ADN - Elementary File Abbreviated Dialing Numbers), which varies from 250 to 500 entries depending on the chip generation (2G/3G/4G/5G). Each entry has a fixed size, which dictates the limit on the length of the name and the number of characters.
Import through a computer and third-party utilities
If the phone’s built-in tools do not work or the SIM card is damaged and the smartphone does not see contacts, you can use an alternative method using a computer. To do this, you will need a special card reader capable of reading Mini, Micro or Nano SIM cards. Connect the device to the PC via USB port and install the necessary software.
There are many apps for reading and writing data to SIM cards, such as SIM Reader, CellPhoneDB or utilities from card reader manufacturers. These apps allow you to upload your phone book to universal formats, such as .csv or .vcf (vCard). The vCard format is preferred because it preserves the contact structure and is supported by all modern operating systems.
After exporting contacts to your computer as a file .vcf, you can transfer this file to your smartphone in any convenient way: via a USB cable, by email, via instant messenger or cloud storage. After opening the file on your phone, the system will offer to import the contacts it contains into the selected account. This method is especially useful for mass transfer of data between different devices.
Example of vCard file structure:BEGIN:VCARD
VERSION:3.0
FN:Ivan Ivanov
TEL;TYPE=CELL:+79990000000
END:VCARD
Using third-party software makes it possible to edit contacts before importing: remove duplicates, correct country codes or add missing data. However, be careful when choosing apps, downloading them only from official sources, so as not to infect your computer with malware that can steal your personal data.
Using a card reader and a PC is “heavy artillery” for cases when the phone does not see the SIM card or requires complex processing of the contact list before downloading.
Synchronization with Google Account is the best alternative
After successfully importing contacts from the SIM card into the internal memory of the phone, it is strongly recommended to set up their synchronization with the cloud. This will save you from having to repeat the transfer procedure in the future and protect your data from loss if your device is lost. The ecosystem Google provides unlimited storage for contacts linked to your account.
To enable synchronization, go to Settings phone, find the section Accounts or Users and accounts. Select your email address Gmail and make sure the switch next to Contact is activated. The system will automatically upload all local records to the cloud and keep them up to date on all devices where this account is logged in.
Contact management is also available via the web interface contacts.google.com. From your computer, you can conveniently edit names, merge duplicates, restore deleted records for the last 30 days, and export the database in the desired format. This is a much more functional tool than any application for working with a SIM card.
- 🌐 Availability: Contacts are available from any device via a browser or application.
- 🔄 Auto-save: New numbers are saved in the cloud instantly, without manual export.
- 🛡️ Security: Data is protected by Google two-factor authentication.
- 🧹 Cleaning: Built-in tools easily find and merge duplicate contacts.
Refusal of storing contacts on a SIM card in favor of cloud technologies is a step towards more comfortable use of a smartphone. You will no longer depend on the capacity of the chip and will be able to add photos, addresses, birthdays and notes to your contacts that do not physically fit on the old SIM card.
⚠️ Attention: Menu interfaces and item names may change after updating the operating system. If you do not find the described settings, use the search in the "Settings" section using the keywords "synchronization" or "accounts".
Frequently asked questions and problem solving (FAQ)
Why, after import, are some contacts displayed as "No name" or with numbers?
This happens if The SIM card contains only digits or special characters in the name field that the phone cannot interpret as text. This also happens when the memory sector on the SIM card is damaged. Solution: manually edit such contacts by assigning them names.
Is it possible to import contacts if the phone screen is broken and the sensor does not work?
Yes, if the phone had USB Debugging mode enabled before the breakdown, you can use the utility adb on your computer to extracting the contact database. Otherwise, you will need to connect a mouse via an OTG cable to navigate the menu or replace the screen.
What to do if the "Import" button is inactive (gray)?
Make sure that the SIM card is inserted correctly and the phone sees the network. If you are using two SIM cards, check if one of them is disabled in the settings. Also, the problem may be that there are simply no records on the SIM card - check this through the contacts display menu, selecting the source "SIM card".
How to transfer contacts from an old iPhone to a new Android?
Direct import from an iPhone SIM card is not possible, since iOS does not support recording contacts on a SIM card. Use the "Copy My Data" application or export contacts from iCloud in vCard format, then transfer the file to your Android smartphone and open it.
How many contacts can fit on a modern SIM card?
The capacity depends on the generation of the chip and the operator. Old 2G cards hold about 250 entries, modern 4G/5G can store up to 500-1000 contacts. However, the length of names on all types of cards remains limited to 14-16 characters.