How to download all data from a phone to a new Android smartphone

Changing a mobile device is always an exciting process, but it is often overshadowed by the fear of losing important information. Contacts, photos, chats in instant messengers and settings of favorite applications make up the user’s digital identity, and their loss can be a serious problem. Fortunately, the ecosystem Android offers many built-in and third-party tools to make the migration as smooth and secure as possible.

In this article, we will look in detail at how to download all the data from your old device and correctly transfer it to your new smartphone. We'll cover both cloud solutions and direct cable or Wi-Fi methods so you can choose the best option for your situation. Understanding these processes will save you from having to manually restore each contact or search for lost files in cloud storage.

Preparing devices for the transfer procedure

Before you begin directly copying information, you need to perform a number of preparatory steps. Charging batteries for both smartphones is a critical stage: the process of transferring large amounts of data, especially photos and video may take considerable time and require significant energy consumption. Make sure that the charge level on both devices is at least 50%, and it is better to connect them to a power source.

It is also worth checking the availability of free space on the receiving device. If you plan to transfer your entire media library from your old phone, the amount of data can reach tens of gigabytes. Go to Settings → Memory new smartphone and make sure that the available space exceeds the amount of transmitted information with a margin of 10-15%.

⚠️ Attention: If custom firmware is installed on the old device or received root access, standard transfer methods may not work correctly or be blocked by the security system of the new phone. In such cases, it is recommended to first return the stock firmware or use manual copying of files.

Do not forget to update the operating system on both gadgets to the latest available versions. Manufacturers often release patches that improve the stability of modules Wi-Fi Direct and Bluetooth, which are actively used for cable-free transmission. You can check for updates in the menu Settings → System → System update.

Using a Google account for cloud backup

The most universal and reliable way to save your data is to use the built-in backup mechanism Google One. This method allows you to “download” your settings, application list, call history and SMS to the cloud storage, and then automatically restore them when you turn on your new smartphone for the first time. To activate the function, go to Settings → Google → Backup.

In this section you will see a list of data that will be saved. The system will automatically offer to create a copy of contacts, calendar, notes Google Keep and even passwords saved in the Chrome password manager. It is important to make sure that the switches opposite the desired items are active and press the Start copyingbutton. The speed of the process depends on the amount of data and the speed of your Internet connection.

Particular attention should be paid to photographs and videos. Although the basic backup setup may include them, it is better to check the status separately in the application Google Photos. Go to the app's Settings and make sure that the Auto Upload feature is enabled and the sync status shows as "Done". This ensures that all your memories are stored in the cloud at full resolution or in space-saving mode.

Once the backup is complete on the old device, the restore process on the new phone occurs automatically during the initial setup. When prompted to sign in to your Google Account, enter the same credentials. The smartphone will offer to restore data from the last available copy, and all you have to do is confirm your choice.

Direct data transfer via cable and adapters

For users who do not trust cloud services or have limited Internet traffic, direct connection of devices is the ideal solution. Many modern manufacturers, such as Samsung, Xiaomi and Huaweiequip their flagships with special adapters from USB-C to USB-C or from USB-C to micro-USB. This allows you to physically connect the old and new phone.

After connecting the cable, the data transfer wizard usually automatically starts on the screen of the new device. In the environment Samsung Smart Switch or similar utilities from other vendors, you can select categories of information to transfer. A cable connection provides maximum transfer speeds, which can reach 20-30 MB/s, which is significantly faster than most wireless methods.

Connection method	Average speed	Stability	Required equipment
USB-C to USB-C	High (up to 40 MB/s)	Maximum	Adapter cable
Wi-Fi Direct	Average (5-10 MB/s)	Depends on interference	No (built-in module)
Bluetooth	Low (less than 1 MB/s)	High	No (built-in module)
SD memory card	Depends on the card class	High	Card reader or SD slot

If you do not have a proprietary cable, you can try using a standard data cable and connect both phones to the computer, using it as an intermediate link. However, this method requires more steps: first you need to copy files from one device to PC, and then from PC to another smartphone. A direct phone-to-phone connection is preferable due to the absence of an intermediate buffer.

What to do if the cable is not detected?

Make sure that you are using the cable for data transfer, and not just for charging. Cheap cables often do not have internal contacts for transmitting information. Try replacing the cable with an original or certified analogue.

Wireless transmission via Wi-Fi Direct and applications

Technology Wi-Fi Direct allows you to create a direct connection between two devices without the need to connect to one access point or router. This is the basis for most proprietary migration applications. For example, owners Xiaomi use Mi Mover, users Samsung — Smart Switch, and for universal transfer the application Send Anywhere or SHAREit.

The principle of operation of such applications is similar: the app is launched on both devices, the “Sender” mode is selected on one, and “Recipient” on the other. Smartphones find each other using a unique code or QR code, after which a secure connection is established. The advantage of this method is the absence of wires and the ability to transmit data even if the phones are in different rooms (within signal range).

However, the wireless method has its own nuances. The transmission speed may fluctuate depending on the congestion of the airwaves with other wireless devices. Additionally, the process can consume a lot of energy, causing phone cases to heat up. It is recommended not to run heavy games or video recording on smartphones during data migration.

⚠️ Attention: When using third-party applications to transfer files, carefully monitor the permissions. Some apps may request access to contacts or location without explicit need. Give preference to official utilities from smartphone manufacturers.

Migration of messages and call history

The most sensitive part of migration is often SMS messages and call logs. Google's standard cloud backup does this well, but sometimes you need more granular control, especially if you need to transfer conversations from specific applications or maintain folder structure. For these purposes, there is a specialized application SMS Backup & Restore.

This utility allows you to create a complete XML archive of all your messages and call logs, which can be saved locally on the device or uploaded to cloud storage (Google Drive, Dropbox). After installing the application on a new phone and restoring it from the created archive, all messages will appear in the standard Messages application in chronological order.

It is important to note that some recovery features may require you to set the application as the default temporary SMS handler. The Android system will ask you to confirm this action for security reasons. After completing the process, do not forget to return the SMS processor settings back to the standard application of your smartphone through the menu Settings → Applications → Default applications.

Messengers deserve special mention, such as WhatsApp and Telegram. Telegram stores all correspondence history on their servers, so to restore access you just need to enter your phone number. WhatsApp requires a local or cloud backup. Before transferring, go to WhatsApp on your old phone and click “Create a backup copy.” Settings → Chats → Chat backup in WhatsApp on your old phone and click "Backup".

Manual copying of files via computer

Sometimes automatic systems fail, or the user needs to transfer only specific folders, for example, downloaded documents or music from non-standard sources. In such cases, the good old method of connecting to a computer remains the most reliable. Connect the old smartphone to the PC via a USB cable and select the file transfer mode MTP in the notification shade.

On the computer, open Explorer, find the device and copy the necessary directories. Pay special attention to the folders DCIM (photos and videos from the camera), Download (downloads), Music and Pictures. If you use third-party cameras or editors, check for folders with their names in the root of the internal memory.

After copying the files to your computer's hard drive, disconnect the old phone and connect the new one. Copy the data from the temporary folder on your PC to the internal storage of the new device, maintaining the same folder structure. This is especially important for applications that search for media files in strictly defined directories.

Folder structure for manual copying:
/Internal memory/DCIM/Camera
/Internal memory/Download
/Internal memory/Music
/Internal memory/Pictures

This method also allows you to “audit” the data. While the files are on the computer, you can delete duplicate photos, unnecessary screenshots or outdated documents so as not to clog the memory of your new clean device with unnecessary digital junk.

⚠️ Attention: Menu interfaces and item names may vary slightly depending on the version of Android and the manufacturer's shell (MIUI, One UI, ColorOS). If you cannot find the item you need, use the search in the settings.

Frequently asked questions (FAQ)

Will applications with paid access be transferred?

Yes, when restoring from a Google account, the list of installed applications will be downloaded automatically. However, the applications themselves will have to be downloaded again from the Play Market store. Licenses for paid applications are tied to your Google account, so a second purchase is not required, but in-game purchases sometimes need to be restored through the settings of the game itself.

What to do if the new phone has less memory than the old one?

In this case, a complete data transfer is not possible. You will have to manually filter the information on the old device before starting the migration. Delete unnecessary videos, old photos or transfer them to your computer/cloud, leaving on your phone only the most important things that will fit in the new amount of memory.

Is it safe to transfer data via public Wi-Fi?

Using public networks to transfer personal data is strictly not recommended. Branded applications create a secure direct connection (Wi-Fi Direct) that does not go through the router, so they are safe even in public places. But downloading backups from the cloud via public Wi-Fi without a VPN carries the risk of data interception.

Is it possible to interrupt the data transfer process?

Interrupting the process is highly undesirable. If the transfer is interrupted in the middle, you may end up with corrupted files or an incomplete contact database. In the worst case, this can lead to errors in the new phone's system, requiring a factory reset. Wait for the process to complete.

Do you need to insert a SIM card into the new phone before transferring data?

For most transfer methods to work, a SIM card is not required, since the process is done via Wi-Fi or USB. However, if you use SMS verification to log into your Google account or instant messengers, having an active SIM card in one of the devices (usually in the old one, before removal) or installing it in the new phone before setting up will simplify the verification process.