iOS 18 beta4 review, is the new version of iOS 18 beta4 worth updating?

iOS 18 beta4 has been officially released. What new changes does it bring? Want to be the first to know about the new features of iOS 18 beta4? PHP editor Baicao brings you a detailed review of iOS 18 beta4, comprehensively introducing the highlight features of this update to help you judge whether it is worth upgrading to this version. Stay tuned for details below.

Last weekend Apple urgently released a new version of iOS 18beta4. This version mainly fixes the bug that the screen brightness automatically adjusts to the minimum after the screen is turned off. Are there any other changes? Watch along:

1. System operation

The new version of iOS 18 beta4 is still smooth in daily operation, but it is slightly inferior to iOS 18 beta3, giving people a slightly different feeling. The system still has flaws in third-party compatibility, third-party apps cannot run well, and crashes still occur. The multi-functional operation and high performance of the version are destined to not be well compatible with old models, and models with small running memory will still kill the background.

2. Performance test

The results of this test still select 2 representative models:

Test model iPhone 15 Pro Max:

Performance score: 1519581 points
Body temperature control: Game maximum 42°
Game Performance: average frame rate 117, latency 55ms
Comprehensive battery life: 2 hours of comprehensive power consumption 24%
Test model iPhone 11:

Performance score: 870966 points
Body temperature control: game maximum 42.7°
Game performance: average Frame rate 58.8, latency 55ms
Comprehensive battery life: 2 hours comprehensive power consumption 40%
Playback sound quality adopts DSD 2.4G lossless HIFI test:

Bass: iOS 18beta3 = iOS 17.6beta4 > iOS 18beta4
Midrange: iOS 18beta3 = iOS 17.6beta4 = iOS 18beta4
Voice: iOS 18beta3 = iOS 17.6beta4 = iOS 18beta4
Treble: iOS 18beta3 = iOS 17.6beta4 = iOS 18beta4
Playback performance: iOS 18beta4 The bass dive is not enough, and the bass is not surging enough at higher volumes. , there will be slight noise regardless of bass, midrange, or treble.

3. Upgrade Recommendation

The new version of iOS 18beta4 can only be said to be quite satisfactory, not particularly eye-catching or particularly poor in performance. In terms of gaming, the frame rate and latency are still excellent, the smoothness is OK, and the battery life has also been improved.

Friends who care more about battery life and gaming performance can upgrade. Friends who are more concerned about sound quality are recommended to choose iOS 18beta3 version.

Attached is the iOS 18 beta4 version upgrade method:

※1. Please back up important data before flashing, or check "Keep user data before flashing" to prevent the loss of important data;

※2. Please ensure that the mobile device Activation lock is not turned on, or the ID lock account and password are known, otherwise the device may not be activated after flashing;

※3. After the device is upgraded to iOS 18 beta4, it will no longer be able to downgrade to the "Apple has turned off verification" firmware version , even if you have used SHSH to back up before, you cannot downgrade.

※4. After upgrading the device to iOS 18 beta4, if you want to downgrade to other "Apple has not turned off verification" versions, it is not recommended to check "Keep user data for flashing", as the flashing may fail or the device will be abnormal after flashing is successful; it is recommended First use classified backup data and then perform a new flash. After success, classify and restore the data;

Flash steps:

1. First download and install the latest version, connect the mobile device to the computer with a data cable; click "Smart Flash" above to enter "One-click flashing" interface, the firmware will be automatically matched if the connection is successful;

(You must upgrade to the latest version to flash the phone successfully)

2. Select the iOS 18 beta4 version among the flashable versions, click "Import", and then It will automatically download the firmware and flash your phone for you;
If you have downloaded the firmware, you can click "Import" and then "Flash Now"; if you do not want the device data to be cleared, please check the "Keep User Data Flash" option.

3. Next, the flashing will be carried out automatically. During the process, keep the data cable connected and wait for the flashing to be completed. After flashing is completed, the mobile device will automatically power on;

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