Method 1
1. On the S5 mobile phone, we only need to install a QQ synchronization assistant and then use QQ to log on.
2. Then we open the QQ synchronization assistant on the S5 mobile phone.
3. Then, click the "synchronize" button in the QQ synchronization assistant to import and install the address book synchronously. If a prompt is displayed that the QQ synchronization assistant is allowed to access the mobile phone for fast recording, we must click yes.
Method 2
1. We have backed up the contact to the SD card. On our mobile phone, click [contact ].
2. Now, press the Menu key on the keyboard of the mobile phone.
3. Click "settings" to enter.
4. Then we will see a [contact] here and click it.
5. Here we can click import/export, and then click Export to SD card ].
6. Then we will see the prompt "your contact will be exported to:/storage/extSdCard/contact. vcf ." Click OK ].
Of course, if you want to restore the file, you only need to select restore in step 1. You can also select backup contacts to SIM cards in step 2. They are all very simple.