Dailysocial.id Smartphones at this time have become everyone's main need. Nowadays if you don't have a smartphone it feels like something is missing. Many smartphones on the market today are dominated by the Android and iOS operating systems. Among the two systems, Android is the one who has the most users. But you know, from the myriad of features that Android has, it turns out there are still secret features that are hidden. these secret features have many uses such as to test the smartphone condition or other features such as hard reset or soft reset. 23 Android secret codes that you must know Here are the codes: Also Read 1. *#*#4636#*#* This code serves to show the condition of the battery, network and information about your mobile. The above code can also be used to replace preferred networks such as HSDPA only or LTE only. 2. *#06# This code is used to check the Mobile IMEI number. 3. *#*#3264#*#* This code is used to