How to write a contact on a SIM card in Xiaomi: the complete guide

Owning a modern Xiaomi with a MIUI or HyperOS shell often pushes users to migrate data. One of the most pressing tasks when switching from a button phone or other Android smartphone is to save the phone book. Many device owners wonder how to record a contact on the Sim card in Xiaomi so as not to lose important numbers when changing the device, which is especially important for those who are used to storing data locally, outside the cloud services.

The process of transferring or creating new entries directly to the SIM card memory has its technical nuances in the Mi ecosystem. Unlike older phones, modern smartphones offer many synchronization options, but the classic method of saving to the chip is also available. Understanding where to look for the right settings and how to avoid common errors will save you time and nerves. Let's take a look at all the available ways to manage the phone book.

Features of the storage of contacts in MIUI and HyperOS

Xiaomi’s shells offer a flexible data management system where all new records are saved by default to a Google or Mi Cloud account, which ensures data security and instant synchronization between devices. However, if you plan to move a SIM card to a button phone or a device without an account, you will need to know how to force a contact to a SIM card in Xiaomi. The system distinguishes the types of storage, and it is important to understand the difference between them.

When you create a new record, the system often offers you a choice of where to save it. If you don't specify a specific destination, the phone can use the default settings. This can lead to the number being in the cloud rather than on a physical medium. It's important for users who value local storage to be able to switch those settings manually.

It's worth noting that the SIM card has a limited amount of memory and supports only the basic fields: name and number. Additional data, such as a photo, email or address, can not be written on the chip, so if you decide to use this method, be prepared for the fact that the information will be truncated to a minimum.

⚠️ Note: When you copy contacts to a SIM card, long names can be cropped and special characters can be replaced or deleted due to storage format limitations. GSM.

For those who want to secure their data, a combined approach is best: Keep your main numbers on your SIM card for quick migration, and keep your full profiles in the cloud, giving you flexibility and confidence to keep your information safe in any situation.

💡

Always back up your phone book in.vcf before mass data transfer so you can roll back changes in case of an error.

Preparation of SIM card and compatibility check

Before you start mass transfer or manual recording, you need to make sure that the technical readiness of the carrier. Modern SIM-Nano-SIM and Micro-SIM have different amounts of available memory for the phone book. Older cards can be filled or have restrictions on the number of characters in the contact name.

The first step is to check the status of the SIM card in the device settings. Make sure it is active and defined by the system. If you use a dual-sim device, it is important to understand which card will be stored data on. In Xiaomi devices, management is carried out separately for each slot.

It is also worth cleaning the SIM card memory of old, unnecessary entries if you plan to upload a new list there, which will help to avoid confusion and duplication of numbers.

• 📱 Make sure that the SIM card is inserted into the correct slot if there are several of them.
• 🔍 Check the availability of free space in the SIM card memory through the settings.
• 🧹 Remove outdated or erroneous records before starting work.

Method 1: Create a new contact immediately on the SIM card

The easiest way to add a subscriber is to create a new record by choosing the right place to store your SIM card, which is the right way to do it if you need to write one or more numbers right now, and the algorithm is intuitive, but it requires careful storage.

Open the standard Contacts app or go to Phone and select the Contacts tab. Press the Add a new entry (usually the "+" or "Create Contact" icon). In the window that opens, at the top of the screen, you will see the name of your current account or storage.

Click on the storage name to reveal the list of available options. Select your SIM card (e.g. SIM card 1 or SIM card 2). Then enter the name and number. The system automatically saves the data to the chip, ignoring cloud services.

Path to setup: Contacts →"+" (Create) → Selecting storage → SIM card

This will be a basic entry available on any device with a given SIM card, and for important business partners, this method may not be informative enough, but for temporary or base numbers, it is ideal.

💡

Choosing storage at the time of contact creation is the most reliable way to ensure that the record gets to the SIM card, not to the cloud.

Method 2: Copy contacts from phone memory to sim

If you already have a generated phone book in your smartphone memory or Google account, you don't have to rewrite numbers manually. MIUI import and export allows you to quickly transfer selected contacts to a SIM card, which is especially true when switching to a new phone.

To start, open the Contacts app and go to the settings menu (usually three dots or a gear) and find the Contact Import and Export section, where you will need to select Export to SIM card or Copy contacts.

The system will suggest selecting a source (e.g., a "Phone" or a "Google") and a recipient (e.g., a "SIM Card 1"), and then the copying process will begin, depending on the number of records, it can take from a few seconds to a couple of minutes.

Once the procedure is complete, check the results, open the contact list, filter them from the SIM card only, and make sure that all the numbers are in place. If some names are cut, this is the normal behavior of the system.

Managing duplicates and combining records

A common problem with data transfer is the appearance of duplicates. When the same number is stored in both the cloud and the SIM card, the phone can display them as two different records or combine them, creating confusion. Xiaomi has a built-in tool to solve this problem.

To get things in order, go to your contacts and select the "Joint Repetitive Contacts" function, and the system will automatically analyze the phone book and suggest merger options, which will help clear the list and leave only current versions of the records.

You can also manually delete extra copies. To do this, select the "All Contacts" display in the contact list, find a duplicate, click on it and select "Delete." Be careful not to erase the desired entry with advanced data, leaving only the cropped version from the SIM card.

• 🔄 Check your phone book regularly for duplicates.
• 🗑️ Remove empty or irrelevant entries from the SIM card.
• 🔗 Use the Unification Function to Clean the List.

⚠️ Before mass deletion or consolidation of contacts, be sure to create a backup copy, since it is impossible to restore data deleted from the SIM card by standard means.

Solution: Contacts are not saved or visible

Users sometimes face a situation where after all the manipulations, contacts do not appear or are not saved, this can be due to a software failure, a SIM card lock or errors in the Contacts application.

The first thing to do is to check if the SIM card is blocked. PIN-If you don't enter the phone when you turn on the phone PIN, The system may restrict access to the data record on the chip. Enter the code through security settings or the first call.

The second common cause is overflowing memory of the SIM card, and as mentioned earlier, the record limit is very small, so if you're trying to copy 500 contacts to a card that's 250, the process will be interrupted or only a part will be saved, in which case you need to delete some of the records or select only selected numbers.

You may also need to clear the cache of the Contacts app. Go to Settings → Apps → All Apps → Contacts → Memory → Clear the cache. This will not delete your data, but can correct display errors.

adb shell pm clear com.android.contacts

If nothing works, try removing the SIM card and inserting it again, or checking it on another phone.Physical contact or chip damage can also be a reason for the inability to record.

💡

If the SIM card is very old (over 5-7 years old), it may not physically support the recording of new contacts due to wear and tear of the memory cells, in which case only the replacement of the SIM from the operator will help.

FAQ: Frequently Asked Questions