Mobile phone: Xiaomi Red Rice Note 9 Pro

System: MIUI 12.0

1. Take a photo of the office document that needs to be signed and send it to your mobile phone, and then click the photo album function of your mobile phone.

2. Open the picture to be signed, and click the edit button at the bottom of the picture to prepare the signing information.

3. Click the Edit button to find the text button, and then click the text button.

4. Click the text button and the following interface will appear. Click the first button (red circle) to sign manually.

5. At this time, the signature interface will appear, and the finger can sign.

6. After signing, the location, size and direction are inappropriate. At this time, just drag the signature box to adjust.

7. The adjusted signature looks like this, and then the picture can be saved.