Trouble reproducing a bug? Run this checklist to make sure you're reproducing user's environment as closely as possible:
Device
- iOS version?
- iPad/iPhone?
- CPU architecture?
- Screen size? Orientation? Slide-over/Split View?
iOS settings
- Language?
- Locale (e.g. time format)?
- Custom keyboard?
- Accessibility or other custom settings?
Compilation
- Compiler setting (debug vs release)?
- Xcode/compiler version?
- Provisioning (app store vs adhoc vs debug)?
App
- Logged in?
- Account/app settings?
- Account data?
- Reproduces after reinstall?
- How about launching from notification/Handoff/app shortcuts/widget?
Environment
- Slow network? No network?
- VPN? Bad proxy? China/corporate blocking firewalls?
- Time? Location?