Buying a new smartphone is always a joyful event, which, however, can be overshadowed by the prospect of a long and painstaking setup. Modern users store gigabytes of personal information on their devices, and losing even some of it is unacceptable. Fortunately, the ecosystem Android offers several reliable and proven methods of data migration, from simple cloud synchronization to direct cable connection.
In this article we will analyze in detail each available method, evaluate their advantages and disadvantages, and also discuss the nuances associated with the transfer of specific data, such as the history of correspondence in instant messengers or banking application settings. You'll learn how to prepare your old device for file transfer and what you need to do on your new device to seamlessly restore your digital life.
Whether you're upgrading from a budget model to a flagship or simply upgrading to a device from a different brand, the principles of information transfer remain the same. The main thing is to choose the right tool for your tasks and the amount of data so that the process goes quickly and without errors.
Preparing devices for data migration
Before taking active steps, you need to make sure that both smartphones are ready for use. On your older device, you should free up some RAM space by closing background apps that might interfere with the synchronization process. It is also critical to check the battery level: both phones should have at least 50-60% charge, or even better, connect them to power sources for the duration of the entire procedure.
Make sure that Bluetooth and Wi-Fi are turned on on both devices, even if you plan to use a cable. These modules are often used for the initial handshake between devices and the exchange of service encryption keys. If you are using older models, clear the system services cache to speed up file indexing.
⚠️ Attention: Before you begin the transfer, be sure to back up your important data to an external storage device or to the cloud. While migration processes are usually safe, technical glitches are always possible, and having a backup copy will save your photos and documents.
Check for operating system updates on both phones. Different versions Android may have incompatible transmission protocols, especially if one device is running an older version and the other is running the latest. Software updates often correct errors in standard transfer utilities, such as Settings → System → Data Transfer.
If your old phone has a microSD memory card, remove it and insert it into the new smartphone after turning it on. This is the fastest way to transfer large volumes of photos and videos without using the Internet.
Using a Google account for cloud synchronization
The most universal and simplest way, which does not require cables or installing third-party software, is to use your Google account. This ecosystem automatically syncs contacts, calendar events, notes, and a list of installed applications. It is enough to log into your profile on the new device, and most of the information will be pulled up automatically in the background.
The service is used for photos and videos Google Photos. Make sure the Backup and Sync feature is turned on on your old phone. In this case, all your pictures will be saved in the cloud in original quality or in space-saving mode. On a new phone, simply install the application and log in to the same account - the entire media library will become available instantly.
However, this method has its limitations. Google's free storage is limited to 15GB, which may not be enough for users with huge archives of high-definition videos. In addition, restoring a full copy of the system (backup of settings and Wi-Fi passwords) can take considerable time if the Internet is slow.
- 📱 Contact: Synchronized automatically through the “Accounts” section in the settings.
- 📸 Media files: Requires Google Photos or Google Drive applications to download.
- 🔑 Passwords: Stored in the Google password manager and substituted when logging into applications.
Direct connection via USB cable
If the data volume amounts to tens of gigabytes, and the Internet speed leaves much to be desired, the best solution would be a direct connection cable. Modern smartphones support the protocol USB OTG, which allows you to connect two devices directly using an adapter or USB-C to USB-C cable. This method provides the maximum transfer speed and does not depend on the quality of the wireless network.
When connected by cable, the system usually automatically launches the setup wizard. The screen will ask you to copy apps and data. You will be able to select specific categories: messages, call logs, system settings and user files. The process is much faster than over Wi-Fi, and the connection is more stable.
It is important to use a high-quality cable that can transmit not only energy, but also data. Cheap "charge only" cables are not up to the task. If you have devices from different brands, you may need a special adapter, since the connectors may differ (for example, Micro-USB on the old one and USB-C on the new one).
Settings → System → Data transfer → Cable⚠️ Attention: Menu interfaces and item names may differ depending on the manufacturer’s shell (MIUI, One UI, ColorOS). Always check the official instructions for your specific smartphone model, as the location of settings may change with updates.
☑️ Preparing for cable transfer
Branded utilities from smartphone manufacturers
Large vendors such as Samsung, Xiaomi, Huawei and others develop their own migration applications that often work better than standard Android tools. For example, Samsung has Smart Switch, Xiaomi has Mi Mover, and Huawei has Phone Clone. These utilities are optimized for the hardware of specific brands and are able to transfer even system settings that are not available when using a standard Google backup.
The principle of operation of such applications is similar: you install the app on both phones (on the new one it is often pre-installed), scan the QR code to create a secure Wi-Fi channel between devices and select data to copy. A special feature is the ability to transfer the home screen layout, wallpaper and specific settings of the proprietary shell.
Using native software is especially important if you are moving within the ecosystem of one brand (for example, from Samsung to Samsung). In this case, the likelihood of conflicts and errors is minimized, and the process runs as smoothly as possible. However, when switching between different brands, the functionality may be reduced.
| Brand | Application name | Features | iOS support |
|---|---|---|---|
| Samsung | Smart Switch | Transferring screen settings and alarms | Yes (partially) |
| Xiaomi | Mi Mover | High speed via Wi-Fi Direct | Yes |
| Huawei | Phone Clone | Works without the Internet, creates its own network | Yes |
| OnePlus | Switch to OnePlus | Optimized for quick setup | Yes |
What to do if the proprietary application does not see the second phone?
Make sure that the Both devices have power saving mode disabled. Also try temporarily disabling VPN and antivirus apps that may block the creation of a local network between devices. Sometimes rebooting both smartphones before trying again helps.
Transferring WhatsApp and other instant messengers
A separate headache for many users is transferring the history of correspondence to WhatsApp, Telegram and Viber. The standard Google backup often does not pick up this data correctly when changing devices, especially if the phone number or operating system changes. For WhatsApp, it is critical to create a local or cloud backup within the application before resetting your old phone.
In WhatsApp settings, go to the section Chats → Chat backup and click the “Create a copy” button. Make sure you have a copy uploaded to Google Drive. When installing the application on a new phone and entering the same number, the system will offer to restore the history from the found copy. Without this step, all messages will be lost forever.
For Telegram the situation is simpler: all data is stored on the messenger servers. Simply log into your account on your new device, and all chats, media files and settings will appear automatically. No additional manual steps are required to transfer files, with the exception of secret chats, which cannot be synchronized.
⚠️ Attention: When transferring WhatsApp to a new phone with a different phone number, a standard backup will not help. You must use the "Change Number" function within the application on your old device before creating a copy.
Some manufacturers include the function of transferring instant messenger data directly into their migration utilities (for example, Smart Switch from Samsung). This allows you to transfer WhatsApp history directly via cable without using the cloud, which is convenient for large volumes of media files in correspondence.
Always make a manual backup of chats inside the messenger itself before resetting or selling your old phone. Cloud synchronization of the system does not always guarantee the safety of databases of third-party applications.
Manual transfer of files via a computer
If automatic methods are in doubt or do not work correctly, there is always a proven “old-fashioned” method - using a computer as an intermediary. Connect the old smartphone to the PC via a USB cable, select the file transfer mode (MTP) and copy the folders DCIM (photos), Download (downloads) and Documents to your hard drive.
Then connect a new smartphone and transfer the saved data to the appropriate directories. This method gives you full control over which files will be transferred and allows you to audit the archive, removing unnecessary junk before downloading to a new device. This is also a great way to free up space on your old phone before selling it.
The main disadvantage of this method is that it is labor intensive. You will have to manually restore your folder structure, and application and system settings will not be transferred. In addition, this method is not suitable for transferring contacts and SMS, unless they are exported to separate file formats .vcf or .xml.
- 💻 Control: You see each file and decide whether to copy it or not.
- 🗑️ Cleaning: Ability to remove duplicates and garbage before transfer.
- 🔌 Reliability: A cable connection to a PC is more stable than wireless methods.
Frequently asked questions (FAQ)
Will data be deleted from the old one? phone after transfer?
No, the process of copying information to a new smartphone does not affect the data on the old device. They will remain safe until you perform a factory reset yourself (Wipe Data/Factory Reset). This is convenient, as it allows you to use both phones in parallel for some time.
Is it possible to transfer data if the screen of the old phone is broken?
This is a difficult situation, but possible. If the sensor does not work, but there is an image, you can connect a USB mouse via an OTG adapter for control. If the screen is completely black, only removing the memory card or connecting to a computer will help, if USB debugging mode was previously enabled and trust in this PC.
How long does it take to transfer 100 GB of data?
The time depends on the method. Using a USB 3.0 cable, the process will take about 15-20 minutes. Via Wi-Fi Direct (proprietary utilities) - approximately 40-60 minutes. Through the Google cloud, with average Internet speed, this can take several hours or even days.
What to do with banking applications after the transfer?
Banking applications and authenticators (Google Authenticator) are not transferred along with the data for security reasons. You will have to reinstall them from the application store and go through the authorization procedure, often requiring confirmation via SMS or a call to the bank.
Will passwords from Wi-Fi networks be transferred?
Yes, if you use a login through a Google account with synchronization enabled or a proprietary utility from the manufacturer (for example, Smart Switch). When manually copying files via a computer, Wi-Fi passwords will not be transferred; they will have to be entered again.