Please tell us some basic information before asking for help: Model Name: Asus zenfone live L1 (ZA550KL (2gB RAM Firmware Version:WW_ZA550KL_15.01.2003.137_20200307 Rooted or not: NOPE I want to upgrade my system but when i saw the firmware says that it upgrades to android 10 developer version so i think i t will be unestable? what firmware i have to download?