Is iOS 15.7.9 worth upgrading older models such as iPhone 6s and iPhone 7?

Careful Apple never forgets its old users who have always been with it. On the eve of the iPhone 15 series launch, Apple released the iOS 15.7.9 version update for iPhone users who are still using the old system. The internal version number is 19H365. .

Apple officials stated that iOS 15.7.9 provides important security updates and fixes ImageIO security vulnerabilities, and it is recommended that all users install it.

So how is the iOS 15.7.9 update experience? Is iOS 15.7.9 worth updating and upgrading older models such as iPhone 6s and iPhone 7?

Let’s take a look at the real experience of the first batch of Apple fans upgrading to the official version of iOS 15.7.9:

## 1. After upgrading, the old model has a new look, smoother and more power-saving.

2. 6S received the update and upgraded decisively. You can feel that the heat is reduced and it is smoother.

3. The battery life is improved, and it can be used for 1 hour longer than the previous version.

4. The killing background has been optimized.

5. The signal has been strengthened, but the battery life is not yet visible.

6. The battery life has been slightly improved and the bass is stronger.

7. The old model plans to retire for another 3 years.

8. After using it for 2 hours, I have a good experience in all aspects, and it is not too hot to use Douyin.

9. Frame drops have been significantly reduced.

10. The signal has improved, and the signal is full in the office.

11. The biggest feeling now is power saving and perfect signal.

12. Upgraded, smooth and aged version.

13. The fever after using Douyin has been significantly improved.

14. The clock-in software is faster.

15. WeChat delay has been optimized, and messages can be received basically in seconds.

16. Battery life is much better than iOS15.7.8.

17. We haven’t given up on our old model. We upgraded to iOS15.7.9 and can continue to use it for a few more years.

18. The current experience is satisfactory in all aspects and I plan to use it for a long time.

19. Unexpectedly, playing Honor of Kings has been optimized a lot, and there is no frame drop.

20. The charging fever has been reduced, and there is almost no fever during daily light use.

21. The killing background has been optimized a lot.

22. The Bluetooth headset connection performance is more stable.

23. Mobile network speed and WiFi network speed have been improved.

24. The signal is very good, and the battery life feels more energy-saving.

25. The sound quality has been enhanced, the most satisfactory version.

26. It used to be hot when making headlines, but now it’s warm and nice.

27. The power-down speed is slower than that of iOS15.7.8, and the battery life is really good.

28. The old model was perfectly resurrected after the upgrade and became the main machine again.

29. Updated, smooth and silky, power saving, good signal.

30. I can finally take care of myself.

Judging from the feedback from old fruit fans who have upgraded to iOS 15.7.9, it is still possible to optimize the old models this time. At least the security is better guaranteed. I think Friends who are new to it can feel free to use it and upgrade. If your current device usage is okay, you can also ignore this update. After all, stability is the most important thing in the later stages.

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