Earlier today, on September 21, tech giant Apple booted up the official version of iOS 15 to users. According to multiple reports from IT grounds, Apple abruptly stopped signing iOS 14.7.1. This insinuates that iPhone users who have upgraded to the new version iOS 14.8 or iOS 15 can no longer be capable of downgrading to iOS 14.7.1.

Apple iOS 14.8 unleashed a pivotal security update to the system that settled a zero-day vulnerability. Zero-day is defined as a computer software vulnerability in a core system or a mobile device that crops up divulged but is not yet mended. Profoundly zero-day broke down Apple’s BlastDoor security system oft known as a firewall.

From the credible reports from IT, grounds was learned that Apple had launched iOS 14.7.1 in July of this year; it was Released to tackle down the bug that damaged the amalgamation betwixt Apple iPhone and watch.

Fortunately, the update fixed an issue where iPhone equipped with Touch ID could not open the paired Apple Watch. 
If Users were experiencing a prime bug issue after updating to the new version of iOS like performance issues, battery problems, user interface lags, keyboard stutters, crashes, glitches with apps, and chiefly Bluetooth connectivity troubles.

To buckle down the bugs, users often use a reverse mechanism. It means users try to reinstate the previous version of iOS. It might not be a perfect process. Still, it will be helpful sometimes. 

If users are experiencing intense bug issues while using newly launched iOS 15 or iOS 14.8, it will be better if you wait for further updates from Apple instead of rushing back to the older version 14.7.1. Never go backward, but you can if you can. Apple intensely evolved in past years to gratify the fervent supporters of the iPhone.