iOS 14.7.1
IOS 15 vs iOS 14.7.1 Speed Comparison
IOS 15 has been iterated to Beta 8 and is getting closer to the GM semi-official →
iPhone showing ‘no service’ bug? iOS 14.7.1 is the issue, and Apple has suggested a fix
iOS 14.7.1 landed back in July, and some who have upgraded have been reporting a bug →