Generally choose to upgrade. Whether P20 needs to upgrade the system depends on individual users. Upgrading the system has many advantages, such as stronger mobile phone security, fewer system vulnerabilities, smoother use and better experience.

It is recommended to upgrade your mobile phone to the latest version in time. You can enter the settings, search for system updates/software updates, check the updated contents, and choose whether to upgrade as needed. If you don't upgrade, the current system can still be used normally.

It is recommended to upgrade in WLAN environment. Online upgrade will not clear user data, but in order to protect data security, it is still recommended to make data backup before upgrade (separate QQ WeChat migration backup).

Specification aspect

Huawei P20 and P20 Pro will be equipped with Kirin 970 processor, of which Huawei P20 will be equipped with 4GB memory+128GB storage, with a battery capacity of 3400mAh and 20 million+12 million Leica dual cameras. Huawei P20 Pro will be equipped with 6GB memory+128GB storage, and the battery capacity is 4000mAh, 40 million+20 million+8 million pixel Leica three cameras.

The camera level of Huawei Mate 10 Pro is at the same level as iPhone X in DxOMark ranking, so Huawei P20 series cameras are worth looking forward to.