Apple has just released its fourth update to the iOS 12 operating system, you can download the update through Settings - General - Software Update. iOS 12.1.1 is a bug fix update that addressed issues with eSIM activation on the iPhone XS, XS Max, and XR, also includes a fix for cellular connectivity issue in Turkey:
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iOS 12.1.2 includes bug fixes for your iPhone. This update:Since we are talking about eSIM here, it's understood that many cellular carriers are now supporting the feature, include the T-Mobile, Verizon, and AT&T in the US. The eSIM feature can activate a cellular plan from a carrier without the need to use a physical SIM card, thus it enabled dual-SIM functionality on your iPhone XS, XS Max, and XR, it is super handy for users who travel a lot, that they don't need to install another physical SIM card.
- Fixes bugs with eSIM activation for iPhone XR, iPhone XS, and iPhone XS Max
- Addresses an issue that could affect cellular connectivity in Turkey for iPhone XR, iPhone XS, and iPhone XS Max
Image Via WccTech