1 Developed by Amazon 2 Developed by HTC 3 Developed by Microsoft 4 Developed by Xiaomi 5 Developed by Samsung Electronics 6 Developed by Cyanogen Inc. 7 Aftermarket Android custom ROM 8 Developed by Huawei. Now used on HarmonyOS. 9 Developed by Honor since 2021. Formerly developed by Huawei. 10 Developed by Vivo, Now used on OriginOS 11 Developed by Oppo
1 Developed by Amazon 2 Developed by HTC 3 Developed by Microsoft 4 Developed by Xiaomi 5 Developed by Samsung Electronics 6 Developed by Cyanogen Inc. 7 Aftermarket Android custom ROM 8 Developed by Huawei. Now used on HarmonyOS. 9 Developed by Honor since 2021. Formerly developed by Huawei. 10 Developed by Vivo, Now used on OriginOS 11 Developed by Oppo