iOS 15.0.2 official version and iOS 15.1 Beta 4 developer preview two systems came one after another. Due to personal reasons, they happened to be dragged together for a while, sorry. Let's not talk too much nonsense, just look at the experience report.
update content
The official version of iOS 15.0.2 has no visible updates. Coincidentally, there is no update in iOS 15.1 Beta 4. It is a bug fix.
Fix content
iOS 15.0.2 official version fixes: a serious remote code execution vulnerability, a 0-day vulnerability, information album bug, iPhone 13 use iTunes restore failure, find application MagSafe leather card bag and AirTag related issues, Carplay can not be Problems such as opening the audio app normally.
iOS 15.1 Beta 4 fixes: the same serious remote code execution vulnerability, Carplay, iCloud backup and other issues.
There is a problem
Possible problems in the official version of iOS 15.0.2: Nothing found yet~
Possible problems with iOS 15.1 Beta 4:
1. There may be a problem of restarting immediately after shutting down after the update.
2. There may be a problem of no results in the App database search.
Introduction to Testing
Test system: iOS 15.0.2 official version, iOS 15.1 Beta 4.
Test content: standby, battery life, running score, background 4 tests.
Test model: iPhone 12 with 98% battery health.
Test description: The test data is for reference only.
Standby test
Endurance test
Running score test
iOS 15.1 Beta 4 has a drop in multi-core running scores~
Background test
Update suggestion
The official version of iOS 15.0.2 can be upgraded directly, so let's judge for yourself on iOS 15.1 Beta 4.
Creation statement
It is purely to use love to generate electricity. The measured data can be reproduced, but it must be stated in a conspicuous position that “reproduced from V play krypton”.
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