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iOS 17.7 Build: 21H16 Battery Life / Drain / Performance Test
The final release of iOS 17.7 Build 21H16 was made available on September 16, 2024. Devices were updated to this build and allowed 36 hours to stabilize before testing.
For the test, all devices were set to 25% display brightness with auto brightness disabled. They were configured identically and connected to the same access point.
Geekbench Battery Test Explanation:
Geekbench 4 measures battery life by running processor-intensive applications, providing a consistent workload. It generates a score based on the work done while the battery discharges and the time taken for this discharge.
The test can be run in Full Discharge mode (from 100% to 0%) for high confidence in battery performance, or in Partial Discharge mode for 3 hours. If stopped after 10 minutes, the result is saved and can be uploaded. Scores from…