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| Release Date | November 17, 2021 |
|---|---|
| Upload Date | November 12, 2021 |
| Filename | 107b9df959e721b9d03bae3b16b664a686ca01fd.zip |
| Filesize | 4.9 GiB |
| Identifier | iPhone13,4 |
iOS 15.1.1 improves call drop performance on iPhone 12 and iPhone 13 models.