16 GB 版 iPhone 系統與預裝 App 佔用超過 4 GB 空間,讓用戶苦不堪言。iOS 9.3 確實開放了刪除內建 App 的機制,但並非一般用戶可直接操作:需升級至 iOS 9.3 Beta、註冊開發者帳號(年費 79 英鎊)、使用 Apple Configurator 2 部署「不允許預裝 App」的設定檔,並輸入各 App 的 Bundle ID 才能移除。
com.apple.stocks)。

| App 名稱 | Bundle ID |
|---|---|
| Tips | com.apple.tips |
| Videos | com.apple.videos |
| com.apple.mobilemail | |
| Notes | com.apple.mobilenotes |
| Reminders | com.apple.reminders |
| Calculator | com.apple.calculator |
| Maps | com.apple.Maps |
| Music | com.apple.Music |
| Wallet | com.apple.Passbook |
| Health | com.apple.Health |
| Phone | com.apple.mobilephone |
| iTunes Store | com.apple.MobileStore |
| Messages | com.apple.MobileSMS |
| Voice Memos | com.apple.VoiceMemos |
| Weather | com.apple.weather |
| Podcasts | com.apple.podcasts |
| Game Center | com.apple.gamecenter |
| Watch | com.apple.Bridge |
| Find Friends | com.apple.mobileme.fmf1 |
| iBooks | com.apple.iBooks |
| Find iPhone | com.apple.mobileme.fmip1 |
| Clock | com.apple.mobiletimer |
| Photos | com.apple.mobileslideshow |
| Settings | com.apple.Preferences |
| Camera | com.apple.Camera |
| FaceTime | com.apple.facetime |
| Contacts | com.apple.MobileAddressBook |
| News | com.apple.news |
提醒:此流程門檻極高,非越獄用戶或開發者請勿嘗試,以免造成裝置異常。蘋果官方正式版推出後,可能會提供更友善的「移除內建 App」介面,敬請期待。