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| Release Date | November 17, 2021 |
|---|---|
| Upload Date | November 12, 2021 |
| Filename | 70a9ba052f467350bfc51154e3c12e447aebe4f5.zip |
| Filesize | 4.8 GiB |
| Identifier | iPhone13,1 |
iOS 15.1.1 improves call drop performance on iPhone 12 and iPhone 13 models.