Sometimes you need to find the version of your device's operating system to help troubleshoot a problem with the CoinZoom app. This is fairly simple for either Android or Apple devices, though the steps may vary slightly from device to device.
Android
CoinZoom Mobile (white screens): Android 6 or later
CoinZoom Pro (black screens): Android 6 or later
Check and Update Your Android Version: https://support.google.com/android/answer/7680439?hl=en
iOS
CoinZoom Mobile (white screens): iOS 14 or later
CoinZoom Pro App (black screens): iOS 11 or later
Find the software version on your iPhone, iPad, or iPod: https://support.apple.com/en-us/HT201685