Apple has released a fix for its iOS mobile operating system to solve an issue that had seen some users of its iPhone 4S devices suffering connectivity issues.
The iOS 6.1 update was launched last week to patch a raft of issues and extend LTE wireless broadband on its iOS mobile operating system.
However, Vodafone warned its customers using the iPhone 4S not to upgrade to the software as they were aware it was causing connectivity issues, mostly relating to 3G connections.
"While Apple's investigations continue, we would recommend that anyone who has not yet installed iOS 6.1 on their iPhone 4S should delay doing so until Apple has confirmed that their problem has been fixed," it said.
But in a forum posting on Monday night by Apple confirmed the fix was now available, set as iOS 6.1.1.
"This update fixes an issue that could impact cellular performance and reliability for iPhone 4S," it said.
V3 had contacted other operators in the UK to see if their customers were being affected but O2 said it was not aware of the issue while EE and Three didn't comment.
The update marks a busy few weeks for Apple's software teams after it also posted an update to address security flaws in its OS X Server platform.
The 2.2.1 update will fix three remote code execution vulnerabilities in the server platform, which could have allowed an attacker to install malware on a targeted system without user notification or permission.
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