com.android.ddmlib.InstallException: Failed to establish session react-native

Question

I am trying to run react-native android app in my nexus5 emulator

adb devices
List of devices attached
emulator-5554   device

started pack

Answer 1

This issue happens to occur in Xiomi devices. In developers option, you don't have to disable MIUI optimization(disabling this won't sync your accounts) instead, enable 'USB debugging' option along with 'Install via USB' and 'USB debugging(Security settings)'. This will solve the issue :)