OTA Updates/iPhone/12.5.1

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iPhone 5s

N51AP

Users still running older versions of iOS (up to 9.3.5) are now presented with a dummy update file, and are instructed to use iTunes to install software updates.

Version Build Prerequisite Version Prerequisite Build Release Date Release Type OTA Download URL File Size
12.5.1 16H22 N/A 11 January 2021 N/A 27a19142ba0c27a746e12f5dbd3488d7c7795902.zip 2,261,584,794
12.5 16H20 N/A 7b0276c5f00da4bf16bed2a274720c1371f25a19.zip 34,710,103
12.4.9 16H5 N/A 88fe9eb76f2b0aa6c03b2567d8c28d67aeac5f6e.zip 199,369,321

N53AP

Users still running older versions of iOS (up to 9.3.5) are now presented with a dummy update file, and are instructed to use iTunes to install software updates.

Version Build Prerequisite Version Prerequisite Build Release Date Release Type OTA Download URL File Size
12.5.1 16H22 N/A 11 January 2021 N/A 4ba3fabe6f5b92049c503a4e1e302f30dbfbe0f2.zip 2,261,584,785
12.5 16H20 N/A 17001d39255a111ccc0fc7b1d776abf46d70e3e9.zip 34,710,248
12.4.9 16H5 N/A e4fcf54bba7cbf051a8a30747bc62a80b22ee69e.zip 199,370,173

iPhone 6

Users still running older versions of iOS (up to 9.3.5) are now presented with a dummy update file, and are instructed to use iTunes to install software updates.

Version Build Prerequisite Version Prerequisite Build Release Date Release Type OTA Download URL File Size
12.5.1 16H22 N/A 11 January 2021 N/A 7a59831e3b5071ffdbc8129726d5c155a1d2450b.zip 2,283,105,375
12.5 16H20 N/A c8bbb13f8975372ea8e4c70b5d89c46e0965214f.zip 35,688,608
12.4.9 16H5 N/A 91e704d978c210c2bd4e07d8b93fbd4a266d54d2.zip 199,845,192

iPhone 6 Plus

Users still running older versions of iOS (up to 9.3.5) are now presented with a dummy update file, and are instructed to use iTunes to install software updates.

Version Build Prerequisite Version Prerequisite Build Release Date Release Type OTA Download URL File Size
12.5.1 16H22 N/A 11 January 2021 N/A 2f9c4201b8bf38e9560a0bc154273671cfc6ab65.zip 2,425,267,468
12.5 16H20 N/A 6e2ca904507545db309117e2123196407b304236.zip 35,924,751
12.4.9 16H5 N/A 28cec80e64c0aae9e506dc8567f9c6b7f353b82c.zip 201,397,137