Transfer data to a new phone: how to make the switch

A new phone is always exciting: better camera, faster processor, more storage. But before you can really start using your new smartphone, one important question arises: how do you get all your data from the old phone to the new one? Fortunately, data transfer is easier than ever today. Whether you're switching from Android to Android, iPhone to iPhone or between the two systems, there are plenty of ways to securely transfer your contacts, photos, apps, messages and more.

25.07.2025 | Reading time: 5 minutes

What data can be transferred to the new phone?

Not all data needs to be entered or installed manually. Many types of content can be transferred completely and automatically. These include, for example:

• Contacts
• Calendar entries
• Photos and videos
• Messages (SMS and messengers like WhatsApp)
• Call history
• Apps and app data
• Wi-Fi passwords
• Music and documents

However, some system settings or app data cannot always be transferred one-to-one. This is especially true when switching between iOS and Android, where certain limitations may apply.

What are the options for transferring data?

Modern technology offers you several ways to transfer all your data to a new phone. Whether you stay within the same ecosystem or switch to a new operating system makes a difference:

• Via the cloud (e.g. iCloud or Google Drive)
• Directly using a USB cable
• Over Bluetooth or Wi-Fi connection (e.g. Quick Start or Smart Switch)
• Using specialised apps

Most smartphone manufacturers provide their own tools for this purpose, such as Samsung Smart Switch, Huawei Phone Clone, Google data transfer service, or Apple’s Quick Start feature.

Preparation is key: how to ensure a smooth transition

Before you even start transferring data, you should take a few important preparatory steps:

• Charge the battery: Both phones should have at least 50% battery life.
• Update the software: Make sure both devices are running the latest version of their operating system.
• Create a backup: Before the transfer, make a full backup using iCloud, Google Drive, or your computer.
• Check the SD card: If you use a microSD card, check whether it needs to be removed or transferred separately.

These steps will help you avoid data loss and ensure the transition goes as smoothly as possible.

Transferring data from Android to iOS

Switching from Android to an iPhone is easy with the free Move to iOS app. This app creates a direct Wi-Fi connection between the devices and automatically transfers your most important data.

Step-by-step guide:

• Download Move to iOS from the Google Play Store.
• Start your new iPhone and select “Transfer data from Android”.
• On your Android device, enter the code displayed on the iPhone.
• Choose which data you want to transfer.
• Wait for the transfer to complete.

Note: Apps are not transferred directly, but the iPhone will suggest similar iOS apps.

Transfer WhatsApp data to a new phone (iPhone)

Want to take your WhatsApp chats with you when switching? No problem! WhatsApp now officially supports transfers from Android to iOS. It's important that both devices use the same phone number and have the latest version of WhatsApp installed.

Transferring data from iOS to Android

Switching from iPhone to Android is becoming increasingly user-friendly. Depending on the manufacturer, you have different options:

• Samsung Smart Switch: possible via cable or wirelessly
• Google Pixel: direct connection via USB-C
• OnePlus Switch: app-based transfer
  
  

Transfer iCloud data to a new phone

If you want to move your iCloud data to an Android device, follow these steps:

• Log in to iCloud.com and export your contacts, calendar events, and files.
• Sign in to your Google account.
• Import the data using Google Contacts, Google Calendar, and Google Photos.

This way, your memories and appointments will also be available on your new phone.

Transferring data in a few steps: quick start or manual?

From Android to Android

• Turn on your new Android device.
• During setup, select “Copy data”.
• Connect the devices using a USB cable or via Wi-Fi.
• Choose the data you want to transfer.
• Wait for the copying process to complete.
  
  

From iPhone to iPhone

Use the Quick Start feature:

• Place both iPhones next to each other.
• The new iPhone will automatically detect the old device.
• Confirm the data transfer.
• Enter the device passcode and follow the on-screen instructions.

This method transfers all settings, photos, messages, and apps, saving you a lot of time.

Additional tips for a successful switch

SIM card or eSIM?

Decide in advance whether you want to continue using your physical SIM card or switch to an eSIM. Many Swiss mobile providers – including yallo, Swisscom, and Sunrise – now fully support eSIM.

Reset old devices

Once the data transfer is successfully completed, you should reset your old phone and erase all content to protect your privacy. Ideally, remove the device from your Google or Apple account beforehand.

Don't forget device insurance

A new smartphone is often a significant investment. Consider whether you want to take out suitable device insurance – for example, against screen damage or theft.

How to correctly transfer your WhatsApp data

Depending on the system you're switching from, there are different methods:

• Android to Android: via Google Drive backup (WhatsApp > Settings > Chats > Chat backup)
• iPhone to iPhone: via iCloud backup
• iOS to Android: using Smart Switch or the Pixel migration tool
• Android to iOS: via Move to iOS with WhatsApp integration

Important: Make sure both devices use the same phone number and have the same app version installed.

Common mistakes during data transfer – and how to avoid them

Even though most transfers work smoothly, errors can still occur. The most common causes include:

• Outdated software versions
• Interrupted Wi-Fi connection
• Incomplete backups

Tip: Restart both devices if the connection breaks and try again. Also, avoid multitasking during the data transfer.

Frequently asked questions (FAQ)

What is the fastest way to transfer my data?

The fastest method is Wi-Fi transfer using tools like Smart Switch (Android) or Quick Start (iPhone).

What happens to my photos and videos?

They are automatically transferred depending on the method used. On iOS, this works via iCloud; on Android, via Google Photos.

Will all apps still work after the transfer?

In general, yes. However, some apps – such as banking apps – may need to be set up or verified again.

Can I transfer my data later on?

Yes, with apps like Google One or iCloud, you can access your backups at any time.

How to transfer your data without stress

Whether you're switching from Android to Android, iPhone to iPhone, or between the two platforms – with the right tools and a bit of preparation, transferring data to a new phone is easy.

Use Google Drive, iCloud, or dedicated apps like Smart Switch or Move to iOS to transfer your content quickly and securely. Don’t forget to make a complete backup beforehand to avoid data loss. That way, you can start using your new smartphone with peace of mind!

Order your new smartphone now from yallo and get started in just a few clicks! Our affordable plans with plenty of data help you get the most out of your new device.