Owners of smartphones based on Android are often faced with the need to change devices, which raises many questions about information migration. Users are wondering how to save important files, settings, and unique hardware IDs when upgrading to a new model. Of particular concern is the issue of transfer IMEI, since many mistakenly believe that this number is just a setting that can be copied.
In fact, the procedure for transferring data between devices is clearly regulated by manufacturers and telecom operators. It is important to understand the fundamental difference between user data, which is subject to migration, and hardware identifiers, which are tightly tied to the hardware. In this article, we will examine in detail the legal methods of transferring all the contents of your old phone to a new one, and also explain the legal and technical aspects of working with IMEI.
Ignoring the rules for data transfer can lead to the loss of important information or blocking of the device by the operator's network. Modern ecosystems Google offer powerful tools for seamless migration, but they require proper preparation. Let's take a step-by-step look at how to make this process as safe and efficient as possible for your new gadget.
What is IMEI and why it can’t just be copied
International mobile equipment identifier, known as IMEI, is a unique 15-digit number assigned to each cell phone at the factory. This code is stored in the device's non-volatile memory and is used by GSM and LTE networks to identify a specific device. An attempt to change or copy this number from one device to another is classified as cloning.
From a technical point of view, IMEI is recorded in a special memory section, access to which is limited at the firmware and hardware level. The operating system Android does not provide standard means for changing this parameter through the settings menu. Any manipulations with this code require obtaining root access and using specialized software, which automatically voids the warranty.
⚠️ Attention: IMEI cloning is illegal in many countries, including the Russian Federation. Telecom operators can block a device with a changed or duplicate ID on their network, rendering the phone useless for calls.
Furthermore, modern security mechanisms Google and chipset manufacturers (such as Qualcomm or MediaTek) implement cryptographic binding of IMEI to other hardware components. This means that even with successful software number spoofing, the device may not pass the system integrity check when updating or restoring. Therefore, the only correct answer to the question “how to transfer IMEI” is to use a phone with its original, factory number.
What happens if the IMEI is the same on two phones?
If two devices on the same network have the same IMEI, the telecom operator will detect a conflict. As a result, both phones may be blacklisted, which will lead to a complete loss of network connection for both subscribers.
Preparing devices before migration
Successful data transfer depends 90% on the quality of the preliminary preparation of both smartphones. Before starting the procedure, you must make sure that both devices have a stable battery level. It is recommended to connect both devices to a power source or ensure that the charge is at least 80% so that the process is not interrupted at a critical moment.
The next step is to update the software on both devices to the latest available version. Manufacturers often release patches that improve the operation of data transfer protocols via Wi-Fi Direct or USB. You can check for updates in the Settings → System → System updatesection. Ignoring this step may lead to compatibility errors when transferring large amounts of information.
- 🔋 Charge both smartphones to at least 80% or connect them to chargers.
- 📶 Connect both devices to one Wi-Fi networks to speed up data transfer over the air.
- 🆔 Log in to the same account Google on both devices or prepare login information on the new one.
- 🗑️ Free up space on your new smartphone by deleting unnecessary pre-installed applications if memory is limited.
It is also important to check the amount of free memory on the receiving device. If you plan to transfer several tens of gigabytes of photos and videos, make sure your new phone has enough storage capacity. Otherwise, the process may fail in the middle, which will require repeating the entire procedure again after manually clearing the storage.
Before starting the transfer, take screenshots of important settings (APN access points, email settings), as some specific settings may not be copied automatically.
Using official Google and manufacturer tools
In the most reliable way migration is the use of built-in ecosystem tools Android. Starting from version 6.0, the system has functionality for restoring data from the cloud or direct copying during the first setup. When you turn on a new smartphone, the system will offer to copy applications and data from another device using a cable or wireless connection.
For owners of specific brands, there are specialized utilities that often work faster and more accurately than standard tools. For example, Samsung offers the application Smart Switch, and Xiaomi — Mi Mover. These apps allow you to transfer even the home screen layout and specific system settings that the standard setup wizard can ignore.
| Tool | Connection type | What it transfers | Compatibility |
|---|---|---|---|
| Google Restore | Wi-Fi / Cable | Contacts, Apps, Settings | All Android 6.0+ |
| Samsung Smart Switch | USB-C / Wi-Fi | Full copy of the system | Samsung to Samsung |
| Xiaomi Mi Mover | Wi-Fi access point | Files, SMS, Journal | Xiaomi on Xiaomi |
| Clone Phone (Oppo) | Wi-Fi Direct | Data and Encryption | Oppo/Realme/OnePlus |
The process of using third-party utilities is usually intuitive: you need to install the application on both phones, select the role “Sender” on the old one and “Recipient” on the new one. After scanning the QR code, the devices create a secure communication channel and the transmission of data packets begins. It is important not to minimize the application or lock the screen until the process is complete.
☑️ Check before starting migration
Manual transfer of contacts and multimedia files
If automatic methods do not work for some reason or you prefer complete control over the process, you can use manual transfer. Contacts are the most critical element and their safety should be a priority. The easiest way is synchronization with your account Google, which occurs automatically if the Internet is available.
To transfer photos and videos, you can use a computer as an intermediate link or cloud storage. Connect the old phone to the PC in file transfer mode (MTP), copy the folders DCIM and Pictures to your hard drive. Then connect your new phone and move the files to the appropriate directories. This method ensures that file metadata (date of shooting, geolocation) will not be lost.
An alternative option for contacts is to export to a file format .vcf. Go to the Contacts application, select the export menu and save the file to internal memory or to a card SD. This file can be easily transferred via messenger or Bluetooth and imported on a new device through the same contacts menu. This method is universal and works even when switching between different brands.
⚠️ Attention: When manually copying folders via a computer, make sure that you do not duplicate files if the new phone already has cloud synchronization. Duplicates can clog up the gallery and complicate the further organization of media files.
Do not forget about messages SMS and the call log. It is difficult to transfer them using standard Android tools, but there are specialized applications, such as SMS Backup & Restore. They create a backup copy of correspondence in XML format, which can be restored to a new device, returning the entire communication history in its original form.
Migration of applications and their data
Migration of installed apps is one of the most difficult stages, since not all application data can be transferred for security reasons. When using a Google Account, the list of installed apps is automatically pulled into the store Play Market, and you can start their bulk download. However, the data itself (logins, game progress, cache) often remains on the old device.
To transfer data from specific applications, you need to check the availability of a backup function inside each of them. Messengers, such as WhatsApp or Telegram, have their own built-in tools for creating backups to the cloud or to a local disk. Without performing this procedure, you risk losing your correspondence history when installing the application on a clean phone.
Banking applications and apps with a high degree of security (two-factor authentication, linking to a device) will require re-authorization and configuration from scratch. This is done intentionally to protect your finances. In such cases root access will not help, since checking the integrity of the runtime environment (SafetyNet/Play Integrity) will block the application from running on a modified system.
Tip: Before selling or disposing of your old phone, be sure to sign out of all accounts and unlink the device in Google security settings. This will prevent login problems on the new phone if the system decides that the login is from a suspicious device.
Automatic application transfer restores only shortcuts and installation files. To save progress and settings inside games and apps, separate synchronization through the developer's cloud is required.
Common errors and ways to fix them
During the migration process, users often encounter the process freezing at a certain percentage or the “Insufficient space” error. Most often, the problem lies in an unstable Wi-Fi connection or background processes consuming traffic. The solution is to pause downloading system updates and close all unnecessary applications before starting the transfer.
Another common problem is incorrect display of contacts after the transfer, when names are duplicated or displayed as numbers. This happens when synchronizing from the SIM card and Google Account at the same time. To fix this, go to your contacts display settings and select only one source, or use the merge duplicates feature in the contacts app.
If cable transmission is interrupted, check the quality of the cable itself. Not all wires support data transfer; some are only for charging. Use the original cable included in the package or a certified analogue that supports high-speed data transfer. Also try replacing the USB port on your computer or using another OTG adapter.
Is it possible to legally transfer IMEI during repairs?
Yes, if the motherboard is replaced at an authorized service center. Engineers have access to factory equipment that allows the original IMEI (from the box or old board) to be written to the new memory chip. This is the only legal situation for changing IMEI.
What to do if the new phone does not see the old one during setup?
Try resetting the network settings on both devices, rebooting them and bringing them as close to each other as possible. Make sure Bluetooth and geolocation are turned on on your old phone as they are used to locate the pair.
How long does it take to transfer 100 GB of data?
When using a USB-C to USB-C cable, the speed can reach 30-40 Mbps, which will take about 40-50 minutes. Over Wi-Fi, the process will be much slower, from 2 to 4 hours, depending on the quality of the signal and the Wi-Fi standard (5 GHz is preferable).
Will photos from WhatsApp disappear when you change your phone?
Photos will not disappear if you have previously backed up your chats in WhatsApp settings (Google Drive). When installing the application on a new phone and logging in to the same account number, the system will offer to restore the history from the copy.
Do I need to format the old phone before selling it?
Required. After transferring data, perform a full factory reset (Settings → System → Reset settings). This will delete all your personal data and accounts, making the device safe to transfer to a new owner.