*#*#4636#*#* Android Usage Information
Open Source Mobile OS Alternatives To Android
HarmonyOS (HMOS) (Chinese: 鸿蒙; pinyin: Hóngméng) is a distributed operating system developed by Huawei to collaborate and interconnect with multiple smart devices on the Internet of Things (IOT) ecosystem. In its current multi-kernel design, the operating system selects suitable kernels from the abstraction layer for devices with diverse resources.For IoT devices, the system is known to be based on LiteOS kernel; while for smartphones and tablets, it is based on a Linux kernel layer with AOSP compatibility libraries to support legacy APK apps, in addition to native HarmonyOS HAP apps via the Ark Compiler.
OpenAtom OpenHarmony, or abbreviated as OpenHarmony (OHOS), is an open-source version of HarmonyOS donated by Huawei to the OpenAtom Foundation. Similar to HarmonyOS, the open-source operating system is designed with a layered architecture, which consists of four layers from the bottom to the top, i.e., the kernel layer, system service layer, framework layer, and application layer.
EulerOS is a commercial Linux distribution developed by Huawei for enterprise applications.[2] First released on September 24, 2021 as OpenEuler 21.09 which was launched in the community on September 30, 2021.[3]