Use APKPure App
Get Zeroner ios9.0 upgrade old version APK for Android
Quick update firmware program an app
1 to upgrade the firmware, help users quickly adapted IOS9 adaptation problems
2 bluetooth must be 4.0, the system of 4.0 over the phone
3 apple IOS9 system users can with the help of colleagues and friends of mobile phone to upgrade the firmware
And then use the new zero one App can with IOS9 adaptation.