Apple iDevice users can expect a small over-the-air update this week to sort out connection problems that affected users with the iPhone 4S, German language online magazine iFun reported.
The 6.1.1 iOS update is 23MB in size and has been tested by carriers, according to the report.
Vodafone's British arm warned its customers over the weekend via an SMS alert and support forum post that the 6.1 update may cause problems on iPhone 4S handsets, and asked people to hold off installing it.
Soon after, Austrian mobile telco 3 also asked its customers not to install the 6.1 update, after its support team confirmed it would cause connection problems.
Users who have installed the 6.1 update have complained of overheating devices and reduced battery life, while enterprise users with iPhones connecting to Microsoft Exchange servers with the ActiveSync protocol reported that doing so causes a loop that makes log files grow to an enormous size.
At this stage, it isn't known if the 6.1.1 update will address these issues.
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