Previously, foreign media conducted good tests on the models of iPhone 5s, iPhone 6, iPhone 6s, iPhone 7 and iPhone 8, and installed iOS 12.4 and iOS 12.3. The test results show that each model has different degrees of expansion after upgrading. IPhone 5S extended 18 minutes, iPhone 6 extended 34 minutes, iPhone 7 extended 34 minutes, iPhone 8 extended 19 minutes, and iPhone6S did not change.
It can be seen that iOS 12.4 still has a certain improvement effect on the battery life of iPhone 7.
In addition, in the model running test, the improvement of iPhone 7 in processor running score is the most obvious among all models. In addition, iOS 12.4 upgraded the baseband firmware and optimized the signal of iPhone. Most users said that the cell phone signal did improve after the upgrade.
In addition, iOS 12.4 adds a super practical function, iPhone data migration. This function can transmit data from old equipment to new equipment by wireless and wired way, which saves the trouble of data transmission when users change machines.