The official version of iOS 17.6 has closed verification_iOS 17.6RC can still be downgraded!

The official version of iOS 17.6 has closed verification, which means it can no longer be downgraded to iOS 17.5.3 or earlier versions. However, if you missed the opportunity to downgrade, there is still a savior - iOS 17.6RC. Downgrades are still allowed in this release candidate. So if you are in dire need of a downgrade, be sure to take advantage of this opportunity. This article will introduce in detail how to use iOS 17.6RC to downgrade and help you safely restore to an older version of the iOS system.

iOS 17.6 RC version can be downgraded

With the official version of iOS 17.6 closed, iOS 17.6 RC version has become the latest version that can be downgraded.

iOS 17.6 RC version test data

1. System operation

• smooth and no lag
• APP loads quickly
• background operation is stable

2. performance

Test model : iPhone 15 Pro Max

• Performance score: 1628017 points
• Body temperature control: Game maximum 40.5°
• Game performance: Average frame rate 117, latency 55ms
• Comprehensive battery life: 2 hours of comprehensive power consumption 25%

Test model: iPhone 11

• Performance score: 807880 points
• Body temperature control: Game maximum 41.3°
• Game performance: Average frame rate 58.9, latency 55ms
• Comprehensive battery life: 2 hours Comprehensive power consumption 35%

Sound effect test

• Bass: iOS 18beta3 = iOS 17.6beta4 > iOS 17.6RC
• Midrange: iOS 18beta3 = iOS 17.6beta4 = iOS 17.6RC
• Voice: iOS 18beta3 = iOS 17.6beta4 = iOS 17.6RC
• Treble: iOS 18beta3 = iOS 17.6beta4 = iOS 17.6RC

Downgrade tips

Friends who want to downgrade the iOS 17.6 RC version, please download and flash in time. Once the verification channel is closed, it will no longer be possible to downgrade.

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