iPhone13PM upgrade iOS15.4beta2 initial experience feels good, battery life performance currently no deep test, after all, everyone's use of the scene is also different,

iPhone13PM upgrade iOS15.4 beta2 initial experience feels good, battery life performance is currently no deep test, after all, everyone's use of the scene is also different, personal test of today's headlines 1 hour power consumption 4%, slightly better than the previous version of 5%, iOS15.1.1 on the global 120Hz high brush is back, smooth to explode, mask mode this time Apple also gave optimization, measured a variety of low-head head up side angle can be unlocked in seconds, used the mask mode really can not go back, the recent epidemic is serious, with this function can be realized without taking off the mask can unlock the iPhone in seconds, reducing the risk of infection with the virus, the signal problem is currently stable, the network speed feels slightly faster, I don't know if it is a psychological effect, the fever does improve this time, 4K video recording 1 minute is just warm, in the previous version of the same operation of the mobile phone will have a certain fever 。 Other aspects of the temporarily do not affect the daily use of the BUG, the above upgrade iOS15.4 beta2 initial experience only represents personal feelings, there are new experiences will be shared with you at any time as a reference.