After more than twenty days, Apple updated the iOS15.3 Beta2 and iOS15.2.1 official version on the same day, many netizens want to know how the iOS 15.2.1 official version of the experience is, I think this problem has been upgraded Users have the most say, see what they say.
a: The power consumption of the update iOS15.2.1 has increased significantly, and the standby has dropped 5 points in one night, and the standby does not lose power the night before the upgrade.
b: Update iOS15.2.1 system will re-download the APP installation, or the first time to encounter, there is the same situation, is all the original APP reinstalled, put me confused.
c: Why did I update 15.2.1 after the WeChat voice delay was not resolved, and the opening camera was half a beat slower after the update.
D: The power loss is very fierce, less than nineteen percent of the minutes directly fell to sixteen percent to prepare for relegation to 15.2 go!
e: 13pm upgrade today to 15.2.1. Various dropped frames of the app. 15.2 is very good, at least brush headlines smoothly. If you want to upgrade, you can try it, and then drop it back if you are not satisfied.
f: My 12 update is indeed more power consumption, the original one charge a day, these two days are two charges a day, but the WeChat recording voice delay is solved.
According to user reviews, the performance of the official version of iOS15.2.1 does not seem to meet everyone's expectations, and there are still problems such as power consumption and APP delay. If the phone system itself is more stable, this version is not recommended to upgrade.