I want to update my software latest
Update software
iPhone 6s, iOS 13
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Detailed instructions ➡️ Update your iPhone, iPad, or iPod touch - Apple Support
Where these updates can go wrong: don’t use add-on VPN apps, don’t try an update via cellular connection, no low-powered mode, iPhone fully-charged, sufficient free storage, and the update itself via via Wi-Fi or local Mac or Windows only.