This puts a greater importance on your move to i OS 11.4.Once you move to i OS 11.4, you’re stuck with i OS 11.3.1 and i OS 11.4 until Apple rolls out a new version of i OS.If you skipped i OS 11.2.5, you'll get 10 additional security patches including one for the malicious chai OS link exploit.
That said, there are also some reasons why you might want to temporarily hold off on an installation.
Check out the i OS 11 section of the website for more information about i OS 11.
Apple’s i OS 11.4 update is a major milestone upgrade and it could have a significant impact on your device’s performance.
Anyone can download and install it right now by either downloading the IPSW file and installing it with i Tunes or updating over the air on your device after installing the OTA profile below.
For instructions on how to install i OS 11 beta on your i Phone, i Pod touch or i Pad without having a paid developer account or UDID activation click here.