Download and install OnePlus Switch on your
old phone.
3. Tap Continue on your new phone.
4. Open OnePlus Switch in your old phone,
select I'm an old phone, and scan the QR
code on your new phone to connect the two
phones.
5. After connecting the two phones, select the
data you want to migrate from your old
phone. Tap to start. Then wait until the
transfer is completed.
If the old device is iPhone:
1. Sync the data of your iOS device to iCloud.
2. Open OnePlus Switch app.
3. Choose I'm a new phone and then tap on
"iPhone".
4. Sign in to your iCloud account and start
importing data.
5. It's recommended to complete the whole
data transfer process while connected to a
Wi-Fi network, and OnePlus Switch should
always stay on the screen. If you ever get
disconnected from the iCloud server, please
try logging into iCloud again and pick up with
the data transmission. Please note that only
certain format of data can be transferred due
to compatibility issues.