There are two solutions to implement the default horizontal screen: First method: Directory device/rockchip/rk356x/BoardConfig.mk SF_PRIMARY_DISPLAY_ORIENTATION := 90 Second way: The Android system displays vertical screen by default. If you want to complete horizontal screen display, follow the following steps to configure the function
ota_update
Foreword: Three upgrade methods First, classify Android upgrades into categories, namely Non-A/B system updates A/B (seamless) system updates Virtual A/B upgrade (Virtual A/B overview) Non-A/B System Updates The official website documents are as follows: https://source.android.com/docs/core/ota/nonab?hl=zh-cn Non-A/B upgrade is the traditional Andr