iOS 9.9.12.3 (16F5156a) for iPhone X (GSM) ✗ This OTA is not signed. OTA firmwares cannot be restored to. IPSW Downloads collects them for
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Release Date May 10, 2019 Upload Date May 8, 2019 Filename ef28d87c911f1ab1b1bc68b436346a7eb91d8d6e.zip Filesize 2.6 GiB Identifier iPhone10,6
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