How to undo "Carrier Update".
Hi,
I am using iPhone 5S and have iOS 7.1 on it. Can anyone tell me to downgrade or restore the carrier update on iPhone? Since the day I have got the carrier update, I am facing issues in call receiving. The carrier update which I have received is mainly for LTE however the area in which I reside supports only 3G and because of that I ofter see signals blinking from zero to five many times in a day. And I am facing this issue since I have updated the carrier settings. Also, Apple has bundled carrier update in iOS 7.1 as I did factory restore 3-4 times but still it does not remove the carrier update. Please help with this problem.
Thank you very much in advance!
Gaurang
iPhone 5s, Other OS, iOS 7.0.5