Changing a smartphone is always stressful, especially when it comes to the safety of personal data. Losing phone numbers can be a real disaster, because we rarely write them down on paper in the modern world. Fortunately, the ecosystem Android offers many built-in and third-party tools for seamless migration of information.
In this article we will analyze in detail all the available copying methods. Notebook. You'll learn how to use cloud services, local connections, and even good old SIM cards to keep your contacts completely safe. The choice of method depends on the model of your device and personal preferences in matters of privacy.
Synchronization via Google account
The most reliable and modern way is to use cloud storage. If you already use the services of the search giant, then your contacts are most likely already safe. Google Contacts automatically synchronizes with the server when you have an Internet connection.
To get started, make sure that synchronization is enabled on your old device. Go to system settings, find the “Accounts” section and select your Gmail profile. Make sure the switch next to Contacts is active.
⚠️ Attention: Make sure that the contacts are saved in your Google account, and not in the phone memory or on the SIM card, otherwise the synchronization will not work.
On a new smartphone, just log into the same one Google account. The system will automatically pull up all saved records from the cloud. This process can take from a few seconds to a couple of minutes depending on the size of the database.
Enable two-way synchronization so that changes made on one device are instantly displayed on all your other gadgets.
You can check the availability of a backup through the web interface. Go to the site contacts.google.com from your computer. If you see your numbers there, it means the process was successful and the data is ready to be transferred to any new device.
Export and import via VCF file
Sometimes using the cloud is not possible due to lack of Internet or privacy concerns. In such cases, the file format VCF (vCard) comes to the rescue. This is a universal standard that is supported by almost all email clients and phone books.
To create an export file, open the Contacts app on your old phone. In the settings menu, find the “Contact Management” or “Import/Export” item. Select the “Export to .vcf file” option.
- 📂 The file will be saved in the internal memory of the device, usually in the root or folder
Downloads. - 📤 You can send this file via messenger, email or copy to your computer.
- 📥 On a new device, just open the received file, and the system will offer import records.
This method is good because you get a physical file with data that can be stored for years. However, if the file is damaged or lost, it will be impossible to restore the information without another copy.
☑️ Preparing the VCF file
When importing a large file (more than 1000 numbers), the process may take some time. Don't close the Contacts app until you see a success notification.
Using a SIM card for transfer
Although considered obsolete, this method remains the only universal option when other methods fail. SIM card has limited memory and does not support saving additional fields such as photos or email addresses mail.
However, for basic transfer of names and numbers, this method is ideal. Insert the SIM card into your old phone, go to contacts settings and select “Copy to SIM card”. After that, move the card to the new device and perform the reverse procedure - “Import from SIM card.”
| Parameter | Internal memory/Google | SIM card |
|---|---|---|
| Contacts limit | Thousands and millions | Usually up to 250 |
| Name length | No restrictions | Often cut to 10-15 characters |
| Additional. fields | Photo, email, address | Name and number only |
| Reliability | High (cloud) | Medium (risk of chip loss) |
Owners of phones with two SIM cards need to be more careful. Copying occurs only to the card that is selected in the default settings for storing contacts.
⚠️ Attention: Before copying to a SIM, make sure that it is not locked with a PIN code, otherwise the process may be interrupted halfway.
Local transfer via Bluetooth and Wi-Fi
Modern smartphones from Samsung, Xiaomi i Huawei often have their own utilities for data migration. They use a direct wireless connection, which provides high transfer speeds without consuming Internet traffic.
For example, the application Smart Switch from Samsung or Mi Mover allows you to transfer not only contacts, but also messages, system settings and even the home screen layout. To operate, both devices need to install the same application.
Why is transfer via Wi-Fi Direct faster than Bluetooth?
Wi-Fi Direct technology provides data transfer speeds of up to 250 Mbit/s, while classic Bluetooth is limited to a speed of about 2-3 Mbit/s, which is critical when transferring gigabytes of data.
The process usually looks like this: on the old phone you select the “Sender” mode, and on the new one – “Recipient”. The devices scan the air, find each other and establish a secure connection.
If there are no proprietary utilities, you can use a standard module Bluetooth. Highlight the contacts you want in your phone book, select Share, and send them via Bluetooth. On the receiving side, you must confirm the pairing and receipt of the file.
Third-party applications for migration
The store Google Play presents many specialized solutions if standard methods for some reason do not suit you. Such applications often have more flexible data filtering settings.
Popular solutions like Copy My Data or SHAREit work on the principle of creating a temporary network between devices. They allow you to select specific types of data to transfer, ignoring unnecessary garbage.
- 🚀 High speed due to optimized compression algorithms.
- 🔒 Possibility of encrypting transferred data to protect against interception.
- 📱 Supports transfer between different operating systems (for example, from iOS to Android).
When using third-party software, carefully monitor the requested permissions. Some free versions of applications may contain intrusive advertising or collect telemetry.
Solving common problems
Sometimes the transfer process does not go smoothly. Users may encounter duplicate entries or missing numbers after import. This is most often due to the wrong choice of data source.
If you see duplicates, use the Merge Duplicates feature in the Google Contacts app. It automatically finds entries with the same names or numbers and merges them into one card.
In cases where contacts are not displayed after import, check the display settings in the phone book. Perhaps the “Show only contacts from the phone” checkbox is checked, and new entries were saved to a Gmail account or vice versa.
⚠️ Attention: Menu interfaces may differ depending on the version of Android and the manufacturer’s shell (MIUI, OneUI, ColorOS).
Regularly creating backup copies in the cloud is the only guarantee that you will not you will lose data if your device breaks down or is stolen.
Frequently asked questions (FAQ)
Will photos of contacts be transferred?
When synchronized via Google Account, photos are transferred automatically. When using a SIM card or a simple VCF file, images may be lost, since these media do not always support image data.
What should you do if contacts are duplicated after transfer?
Go to the Contacts application, open the settings menu and find the "Manage contacts" option. There should be a "Merge Duplicates" or "Correct and Manage" option that will automatically clear the list.
Is it possible to transfer contacts if the screen of your old phone is broken?
Yes, if USB debugging is enabled on your phone and you can connect it to your computer. You can also try connecting a mouse via an OTG cable to control the device blindly, or remove the SIM card.
How long does it take to synchronize 1000 contacts?
With a stable Internet connection, synchronizing this amount of data via the Google cloud takes no more than 1-2 minutes. Local transfer via cable or Wi-Fi Direct occurs almost instantly.