After the iOS15.4 update and upgrade, what images will be shown in terms of battery life of these iPhones on sale is a problem that fruit fans are very concerned about at present. Because every time Apple upgrades iOS, it is not perfect, and there will always be problems of one kind or another. So after the iOS 15.4 upgrade, what will be the image of the iPhone endurance of different models?
This time a total of 7 iPhones upgraded iOS15.4, namely iPhone SE, iPhone6s, iPhone7, iPhone8, iPhoneX, iPhoneXR, iPhone11, these 7 iPhones belong to the old models that have been listed for many years, so after the iOS15.4 upgrade, the images of these phones are also particularly important.
After 1 hour of battery life, the remaining battery power of iPhoneSE, iPhone6s, iPhone7, iPhone8, iPhoneX, iPhoneX, iPhoneXR, and iPhone11 is 73%, 72%, 78%, 79%, 84%, 86%, and 80%, respectively, compared with iOS15.3, which lasts the same time, the remaining battery power is 76%, 70%, 78%, 76%, 77%, 81%, and 82%, respectively. It can be seen that in addition to the decrease in the battery percentage of the iPhone SE and iPhone 11, the battery percentage of the other 5 iPhones has increased.
After 2 hours of battery life, the battery percentages of iPhoneSE, iPhone6s, iPhone7, iPhone8, iPhoneX, iPhoneXR, and iPhone11 are 13%, 37%, 58%, 58%, 68%, 70%, and 65%, respectively, compared with the same battery life of iOS15.3, the battery percentages are 25%, 38%, 52%, 53%, 66%, 65%, 66%, respectively. Still in addition to the iPhone SE and iPhone 11' battery percentage decreased, the other 5 iPhones increased their battery level.
The battery life of iPhone SE, iPhone6s, iPhone7, iPhone8, iPhoneX, iPhoneX, iPhoneXR, and iPhone11 after upgrading iOS 15.4 is 4 hours and 5 minutes, 3 hours and 54 minutes, 4 hours 30 minutes, 4 hours 40 minutes, 5 hours and 51 minutes, 6 hours and 7 minutes, and 5 hours and 21 minutes, respectively.
The battery life of iOS 15.3 is 4 hours and 7 minutes, 3 hours and 32 minutes, 4 hours and 18 minutes, 4 hours and 28 minutes, 5 hours and 2 minutes, 5 hours and 47 minutes, and 5 hours and 31 minutes, respectively.
The battery life of iOS 15.2 is 3 hours and 45 minutes, 3 hours and 53 minutes, 4 hours and 12 minutes, 4 hours and 29 minutes, 5 hours and 17 minutes, 6 hours and 11 minutes, and 6 hours and 15 minutes, respectively.
Judging from the results of the test, the battery life of iPhoneSE and iPhone11 after upgrading iOS15.4 has shrunk, and the battery life of the other 5 iPhones has improved.
brief summary
At present, upgrading iOS15.4 for most iPhones, in terms of battery life has improved, in the 7 iPhones participating in the test, iPhone SE and iPhone 11 after upgrading iOS 15.4 battery life has shrunk. According to this test result, iPhone SE and iPhone 11 are not recommended to upgrade iOS15.4, iPhone6s, iPhone 7, iPhone8, iPhoneX, iPhoneXR these can upgrade iOS15.4 no problem.