Model: Huawei P30
System: emui 10.1
Yes, the specific steps are as follows:
1. Open the phone "setting options";
2. Select "system option" from the drop-down list in the setting interface;
3. Next, select the "backup and recovery" function in the system interface;
4. Next, select the "cloud backup" function in the "backup and recovery" interface;
5. Next, in the "cloud backup" interface, select the backup date before deleting the mobile phone call record.
Relevant knowledge:
Huawei P30 is a mobile phone of Huawei Terminal Co., Ltd. The phone is equipped with Hisilicon Kirin 980 processor, with a screen of 6.1 inches and a resolution of 2340 * 1080 pixels. The camera has a maximum 30x digital zoom.
After hundreds of coating tests, Huawei P30 series has achieved mass production with the highest film thickness. The sky realm is processed by 15 layers of process, in which the gradual plating process is composed of 9 layers of nano vacuum optical coating, and the thickness is only 1 / 100 of a piece of paper.