Difference between revisions of "OTA Updates/Apple TV/11.4.1"

From The iPhone Wiki
Jump to: navigation, search
m (Notes)
m
Line 16: Line 16:
 
| rowspan="25" | {{date|2018|07|09}}
 
| rowspan="25" | {{date|2018|07|09}}
 
| Beta
 
| Beta
| rowspan="2" | [http://updates-http.cdn-apple.com/2018/tvos/091-73043-20180709-F857C862-7C19-11E8-B3EF-8356544C24EB/com_apple_MobileAsset_SoftwareUpdate/86e9200fce7da2325f58ada724c372b6eba0b4b1.zip 86e9200fce7da2325f58ada724c372b6eba0b4b1.zip]
+
| rowspan="2" | [https://updates.cdn-apple.com/2018/tvos/091-73043-20180709-F857C862-7C19-11E8-B3EF-8356544C24EB/com_apple_MobileAsset_SoftwareUpdate/86e9200fce7da2325f58ada724c372b6eba0b4b1.zip 86e9200fce7da2325f58ada724c372b6eba0b4b1.zip]
 
| rowspan="2" | 1,335,344,639
 
| rowspan="2" | 1,335,344,639
 
|-
 
|-
Line 26: Line 26:
 
| 13T396
 
| 13T396
 
| {{n/a}}
 
| {{n/a}}
| [http://updates-http.cdn-apple.com/2018/tvos/091-73048-20180709-958C5F92-7C17-11E8-9F3E-9151544C24EB/com_apple_MobileAsset_SoftwareUpdate/f7d5cbbcb640904da8eafb179b0be8833de2cbbc.zip f7d5cbbcb640904da8eafb179b0be8833de2cbbc.zip]
+
| [https://updates.cdn-apple.com/2018/tvos/091-73048-20180709-958C5F92-7C17-11E8-9F3E-9151544C24EB/com_apple_MobileAsset_SoftwareUpdate/f7d5cbbcb640904da8eafb179b0be8833de2cbbc.zip f7d5cbbcb640904da8eafb179b0be8833de2cbbc.zip]
 
| 1,111,949,826
 
| 1,111,949,826
 
|-
 
|-
Line 32: Line 32:
 
| 13T402
 
| 13T402
 
| {{n/a}}
 
| {{n/a}}
| [http://updates-http.cdn-apple.com/2018/tvos/091-73042-20180709-95849B40-7C17-11E8-BE35-8C51544C24EB/com_apple_MobileAsset_SoftwareUpdate/a52455801c91e80dabfb5881d7f421f1c8ed036f.zip a52455801c91e80dabfb5881d7f421f1c8ed036f.zip]
+
| [https://updates.cdn-apple.com/2018/tvos/091-73042-20180709-95849B40-7C17-11E8-BE35-8C51544C24EB/com_apple_MobileAsset_SoftwareUpdate/a52455801c91e80dabfb5881d7f421f1c8ed036f.zip a52455801c91e80dabfb5881d7f421f1c8ed036f.zip]
 
| 1,111,946,543
 
| 1,111,946,543
 
|-
 
|-
Line 38: Line 38:
 
| 13U85
 
| 13U85
 
| {{n/a}}
 
| {{n/a}}
| [http://updates-http.cdn-apple.com/2018/tvos/091-73051-20180709-95798746-7C17-11E8-8F38-9251544C24EB/com_apple_MobileAsset_SoftwareUpdate/e6ce3a9de8272c5ae71e7e85019fe968e6e2dd6e.zip e6ce3a9de8272c5ae71e7e85019fe968e6e2dd6e.zip]
+
| [https://updates.cdn-apple.com/2018/tvos/091-73051-20180709-95798746-7C17-11E8-8F38-9251544C24EB/com_apple_MobileAsset_SoftwareUpdate/e6ce3a9de8272c5ae71e7e85019fe968e6e2dd6e.zip e6ce3a9de8272c5ae71e7e85019fe968e6e2dd6e.zip]
 
| 1,111,721,471
 
| 1,111,721,471
 
|-
 
|-
Line 44: Line 44:
 
| 13U717
 
| 13U717
 
| {{n/a}}
 
| {{n/a}}
| [http://updates-http.cdn-apple.com/2018/tvos/091-73026-20180709-958333EA-7C17-11E8-9404-8051544C24EB/com_apple_MobileAsset_SoftwareUpdate/d96e5e48b5a8ee9cc175aa1fd54858a28548c0f9.zip d96e5e48b5a8ee9cc175aa1fd54858a28548c0f9.zip]
+
| [https://updates.cdn-apple.com/2018/tvos/091-73026-20180709-958333EA-7C17-11E8-9404-8051544C24EB/com_apple_MobileAsset_SoftwareUpdate/d96e5e48b5a8ee9cc175aa1fd54858a28548c0f9.zip d96e5e48b5a8ee9cc175aa1fd54858a28548c0f9.zip]
 
| 1,112,291,424
 
| 1,112,291,424
 
|-
 
|-
Line 50: Line 50:
 
| 13Y234
 
| 13Y234
 
| {{n/a}}
 
| {{n/a}}
| [http://updates-http.cdn-apple.com/2018/tvos/091-73021-20180709-957932A0-7C17-11E8-882B-7E51544C24EB/com_apple_MobileAsset_SoftwareUpdate/9c0ad884dc3d84b04476ed978f1b3c1d4471400f.zip 9c0ad884dc3d84b04476ed978f1b3c1d4471400f.zip]
+
| [https://updates.cdn-apple.com/2018/tvos/091-73021-20180709-957932A0-7C17-11E8-882B-7E51544C24EB/com_apple_MobileAsset_SoftwareUpdate/9c0ad884dc3d84b04476ed978f1b3c1d4471400f.zip 9c0ad884dc3d84b04476ed978f1b3c1d4471400f.zip]
 
| 1,005,825,276
 
| 1,005,825,276
 
|-
 
|-
Line 56: Line 56:
 
| 13Y772
 
| 13Y772
 
| {{n/a}}
 
| {{n/a}}
| [http://updates-http.cdn-apple.com/2018/tvos/091-73045-20180709-958861F8-7C17-11E8-B697-8F51544C24EB/com_apple_MobileAsset_SoftwareUpdate/3fefff1cdb10f6389e0e7514a8c5c258fd4af46e.zip 3fefff1cdb10f6389e0e7514a8c5c258fd4af46e.zip]
+
| [https://updates.cdn-apple.com/2018/tvos/091-73045-20180709-958861F8-7C17-11E8-B697-8F51544C24EB/com_apple_MobileAsset_SoftwareUpdate/3fefff1cdb10f6389e0e7514a8c5c258fd4af46e.zip 3fefff1cdb10f6389e0e7514a8c5c258fd4af46e.zip]
 
| 1,005,810,918
 
| 1,005,810,918
 
|-
 
|-
Line 62: Line 62:
 
| 13Y825
 
| 13Y825
 
| {{n/a}}
 
| {{n/a}}
| [http://updates-http.cdn-apple.com/2018/tvos/091-73016-20180709-95748B24-7C17-11E8-98D1-7C51544C24EB/com_apple_MobileAsset_SoftwareUpdate/1232a4ee69b209e68c0337130ee6fd8e2134f2bc.zip 1232a4ee69b209e68c0337130ee6fd8e2134f2bc.zip]
+
| [https://updates.cdn-apple.com/2018/tvos/091-73016-20180709-95748B24-7C17-11E8-98D1-7C51544C24EB/com_apple_MobileAsset_SoftwareUpdate/1232a4ee69b209e68c0337130ee6fd8e2134f2bc.zip 1232a4ee69b209e68c0337130ee6fd8e2134f2bc.zip]
 
| 1,005,803,623
 
| 1,005,803,623
 
|-
 
|-
Line 68: Line 68:
 
| 14T330
 
| 14T330
 
| {{n/a}}
 
| {{n/a}}
| [http://updates-http.cdn-apple.com/2018/tvos/091-73012-20180709-956B63D2-7C17-11E8-AA30-7B51544C24EB/com_apple_MobileAsset_SoftwareUpdate/040431d5944514bc02b2ccc82ae813aa52045d6a.zip 040431d5944514bc02b2ccc82ae813aa52045d6a.zip]
+
| [https://updates.cdn-apple.com/2018/tvos/091-73012-20180709-956B63D2-7C17-11E8-AA30-7B51544C24EB/com_apple_MobileAsset_SoftwareUpdate/040431d5944514bc02b2ccc82ae813aa52045d6a.zip 040431d5944514bc02b2ccc82ae813aa52045d6a.zip]
 
| 874,113,113
 
| 874,113,113
 
|-
 
|-
Line 74: Line 74:
 
| 14U71
 
| 14U71
 
| {{n/a}}
 
| {{n/a}}
| [http://updates-http.cdn-apple.com/2018/tvos/091-73030-20180709-9586F584-7C17-11E8-ABB4-8451544C24EB/com_apple_MobileAsset_SoftwareUpdate/2c68a669d31c3e235f44c72aeb8258689af9669b.zip 2c68a669d31c3e235f44c72aeb8258689af9669b.zip]
+
| [https://updates.cdn-apple.com/2018/tvos/091-73030-20180709-9586F584-7C17-11E8-ABB4-8451544C24EB/com_apple_MobileAsset_SoftwareUpdate/2c68a669d31c3e235f44c72aeb8258689af9669b.zip 2c68a669d31c3e235f44c72aeb8258689af9669b.zip]
 
| 874,014,886
 
| 874,014,886
 
|-
 
|-
 
| 14U100
 
| 14U100
 
| {{n/a}}
 
| {{n/a}}
| [http://updates-http.cdn-apple.com/2018/tvos/091-73027-20180709-9577CF3C-7C17-11E8-B9FA-8251544C24EB/com_apple_MobileAsset_SoftwareUpdate/affd95931917c3b0b183268b4f4cc02afdba4a45.zip affd95931917c3b0b183268b4f4cc02afdba4a45.zip]
+
| [https://updates.cdn-apple.com/2018/tvos/091-73027-20180709-9577CF3C-7C17-11E8-B9FA-8251544C24EB/com_apple_MobileAsset_SoftwareUpdate/affd95931917c3b0b183268b4f4cc02afdba4a45.zip affd95931917c3b0b183268b4f4cc02afdba4a45.zip]
 
| 874,014,856
 
| 874,014,856
 
|-
 
|-
Line 85: Line 85:
 
| 14U593
 
| 14U593
 
| {{n/a}}
 
| {{n/a}}
| [http://updates-http.cdn-apple.com/2018/tvos/091-73039-20180709-9582ADA8-7C17-11E8-A272-8A51544C24EB/com_apple_MobileAsset_SoftwareUpdate/8f95332c1f06839bb2ebf718f9d73645ecd588f2.zip 8f95332c1f06839bb2ebf718f9d73645ecd588f2.zip]
+
| [https://updates.cdn-apple.com/2018/tvos/091-73039-20180709-9582ADA8-7C17-11E8-A272-8A51544C24EB/com_apple_MobileAsset_SoftwareUpdate/8f95332c1f06839bb2ebf718f9d73645ecd588f2.zip 8f95332c1f06839bb2ebf718f9d73645ecd588f2.zip]
 
| 872,203,492
 
| 872,203,492
 
|-
 
|-
Line 91: Line 91:
 
| 14U712a
 
| 14U712a
 
| {{n/a}}
 
| {{n/a}}
| [http://updates-http.cdn-apple.com/2018/tvos/091-73036-20180709-956A550A-7C17-11E8-870C-8851544C24EB/com_apple_MobileAsset_SoftwareUpdate/1e796720310e2493e8aceed2cfe58ad97c31ba17.zip 1e796720310e2493e8aceed2cfe58ad97c31ba17.zip]
+
| [https://updates.cdn-apple.com/2018/tvos/091-73036-20180709-956A550A-7C17-11E8-870C-8851544C24EB/com_apple_MobileAsset_SoftwareUpdate/1e796720310e2493e8aceed2cfe58ad97c31ba17.zip 1e796720310e2493e8aceed2cfe58ad97c31ba17.zip]
 
| 872,210,946
 
| 872,210,946
 
|-
 
|-
Line 97: Line 97:
 
| 14W265
 
| 14W265
 
| {{n/a}}
 
| {{n/a}}
| rowspan="3" | [http://updates-http.cdn-apple.com/2018/tvos/091-73033-20180709-957C0764-7C17-11E8-9798-8651544C24EB/com_apple_MobileAsset_SoftwareUpdate/41e2741fa0998cdb239844bb266ec3a96b7936e3.zip 41e2741fa0998cdb239844bb266ec3a96b7936e3.zip]
+
| rowspan="3" | [https://updates.cdn-apple.com/2018/tvos/091-73033-20180709-957C0764-7C17-11E8-9798-8651544C24EB/com_apple_MobileAsset_SoftwareUpdate/41e2741fa0998cdb239844bb266ec3a96b7936e3.zip 41e2741fa0998cdb239844bb266ec3a96b7936e3.zip]
 
| rowspan="3" | 862,147,945
 
| rowspan="3" | 862,147,945
 
|-
 
|-
Line 111: Line 111:
 
| 15J381
 
| 15J381
 
| {{n/a}}
 
| {{n/a}}
| rowspan="5" | [http://updates-http.cdn-apple.com/2018/tvos/091-89195-20180709-958557F6-7C17-11E8-98A5-9C51544C24EB/com_apple_MobileAsset_SoftwareUpdate/815278f3a5784a4bc892ff602e704421e53c9b1e.zip 815278f3a5784a4bc892ff602e704421e53c9b1e.zip]
+
| rowspan="5" | [https://updates.cdn-apple.com/2018/tvos/091-89195-20180709-958557F6-7C17-11E8-98A5-9C51544C24EB/com_apple_MobileAsset_SoftwareUpdate/815278f3a5784a4bc892ff602e704421e53c9b1e.zip 815278f3a5784a4bc892ff602e704421e53c9b1e.zip]
 
| rowspan="5" | 562,108,189
 
| rowspan="5" | 562,108,189
 
|-
 
|-
Line 133: Line 133:
 
| 15K600
 
| 15K600
 
| {{n/a}}
 
| {{n/a}}
| [http://updates-http.cdn-apple.com/2018/tvos/091-89194-20180709-958C944E-7C17-11E8-B1DC-9B51544C24EB/com_apple_MobileAsset_SoftwareUpdate/33fbb95f3e779a03bb47b4b37f41ef9b4b297d70.zip 33fbb95f3e779a03bb47b4b37f41ef9b4b297d70.zip]
+
| [https://updates.cdn-apple.com/2018/tvos/091-89194-20180709-958C944E-7C17-11E8-B1DC-9B51544C24EB/com_apple_MobileAsset_SoftwareUpdate/33fbb95f3e779a03bb47b4b37f41ef9b4b297d70.zip 33fbb95f3e779a03bb47b4b37f41ef9b4b297d70.zip]
 
| 503,767,176
 
| 503,767,176
 
|-
 
|-
Line 139: Line 139:
 
| 15L211
 
| 15L211
 
| {{n/a}}
 
| {{n/a}}
| [http://updates-http.cdn-apple.com/2018/tvos/091-88716-20180709-95887382-7C17-11E8-AFFB-9A51544C24EB/com_apple_MobileAsset_SoftwareUpdate/35c6b0e68b08227942717eaa003bc29538ad2e0d.zip 35c6b0e68b08227942717eaa003bc29538ad2e0d.zip]
+
| [https://updates.cdn-apple.com/2018/tvos/091-88716-20180709-95887382-7C17-11E8-AFFB-9A51544C24EB/com_apple_MobileAsset_SoftwareUpdate/35c6b0e68b08227942717eaa003bc29538ad2e0d.zip 35c6b0e68b08227942717eaa003bc29538ad2e0d.zip]
 
| 261,788,588
 
| 261,788,588
 
|-
 
|-
Line 145: Line 145:
 
| 15L577
 
| 15L577
 
| {{n/a}}
 
| {{n/a}}
| [http://updates-http.cdn-apple.com/2018/tvos/091-86399-20180709-9580BCB4-7C17-11E8-8856-9451544C24EB/com_apple_MobileAsset_SoftwareUpdate/26bb9739344584c2b7e3f8f23ab2ab2f3935124d.zip 26bb9739344584c2b7e3f8f23ab2ab2f3935124d.zip]
+
| [https://updates.cdn-apple.com/2018/tvos/091-86399-20180709-9580BCB4-7C17-11E8-8856-9451544C24EB/com_apple_MobileAsset_SoftwareUpdate/26bb9739344584c2b7e3f8f23ab2ab2f3935124d.zip 26bb9739344584c2b7e3f8f23ab2ab2f3935124d.zip]
 
| 64,605,375
 
| 64,605,375
 
|}
 
|}
Line 166: Line 166:
 
| rowspan="10" | {{date|2018|07|09}}
 
| rowspan="10" | {{date|2018|07|09}}
 
| Beta
 
| Beta
| rowspan="2" | [http://updates-http.cdn-apple.com/2018/tvos/091-73031-20180709-F857CA9C-7C19-11E8-B3EF-8256544C24EB/com_apple_MobileAsset_SoftwareUpdate/e539d92e5da10404719d0ee15bff693c8488039f.zip e539d92e5da10404719d0ee15bff693c8488039f.zip]
+
| rowspan="2" | [https://updates.cdn-apple.com/2018/tvos/091-73031-20180709-F857CA9C-7C19-11E8-B3EF-8256544C24EB/com_apple_MobileAsset_SoftwareUpdate/e539d92e5da10404719d0ee15bff693c8488039f.zip e539d92e5da10404719d0ee15bff693c8488039f.zip]
 
| rowspan="2" | 1,524,741,418
 
| rowspan="2" | 1,524,741,418
 
|-
 
|-
Line 176: Line 176:
 
| 15J381
 
| 15J381
 
| {{n/a}}
 
| {{n/a}}
| rowspan="5" | [http://updates-http.cdn-apple.com/2018/tvos/091-89197-20180709-958ADC9E-7C17-11E8-809E-9E51544C24EB/com_apple_MobileAsset_SoftwareUpdate/79eba9e1ed8f0e12c4aa789530829c1e1f5da41d.zip 79eba9e1ed8f0e12c4aa789530829c1e1f5da41d.zip]
+
| rowspan="5" | [https://updates.cdn-apple.com/2018/tvos/091-89197-20180709-958ADC9E-7C17-11E8-809E-9E51544C24EB/com_apple_MobileAsset_SoftwareUpdate/79eba9e1ed8f0e12c4aa789530829c1e1f5da41d.zip 79eba9e1ed8f0e12c4aa789530829c1e1f5da41d.zip]
 
| rowspan="5" | 695,526,973
 
| rowspan="5" | 695,526,973
 
|-
 
|-
Line 198: Line 198:
 
| 15K600
 
| 15K600
 
| {{n/a}}
 
| {{n/a}}
| [http://updates-http.cdn-apple.com/2018/tvos/091-89196-20180709-95873C9C-7C17-11E8-B7B6-9D51544C24EB/com_apple_MobileAsset_SoftwareUpdate/c40751ce89f54cc36b3c6227303b3ffe6faabb38.zip c40751ce89f54cc36b3c6227303b3ffe6faabb38.zip]
+
| [https://updates.cdn-apple.com/2018/tvos/091-89196-20180709-95873C9C-7C17-11E8-B7B6-9D51544C24EB/com_apple_MobileAsset_SoftwareUpdate/c40751ce89f54cc36b3c6227303b3ffe6faabb38.zip c40751ce89f54cc36b3c6227303b3ffe6faabb38.zip]
 
| 635,033,318
 
| 635,033,318
 
|-
 
|-
Line 204: Line 204:
 
| 15L211
 
| 15L211
 
| {{n/a}}
 
| {{n/a}}
| [http://updates-http.cdn-apple.com/2018/tvos/091-88715-20180709-958B1498-7C17-11E8-933C-9851544C24EB/com_apple_MobileAsset_SoftwareUpdate/a4e4a183f85a925759c34b72698b88eddeccf9c6.zip a4e4a183f85a925759c34b72698b88eddeccf9c6.zip]
+
| [https://updates.cdn-apple.com/2018/tvos/091-88715-20180709-958B1498-7C17-11E8-933C-9851544C24EB/com_apple_MobileAsset_SoftwareUpdate/a4e4a183f85a925759c34b72698b88eddeccf9c6.zip a4e4a183f85a925759c34b72698b88eddeccf9c6.zip]
 
| 390,443,006
 
| 390,443,006
 
|-
 
|-
Line 210: Line 210:
 
| 15L577
 
| 15L577
 
| {{n/a}}
 
| {{n/a}}
| [http://updates-http.cdn-apple.com/2018/tvos/091-86400-20180709-9589AB9E-7C17-11E8-AC59-9651544C24EB/com_apple_MobileAsset_SoftwareUpdate/ccfb95c5d751d7349052e2ade967b9c242590887.zip ccfb95c5d751d7349052e2ade967b9c242590887.zip]
+
| [https://updates.cdn-apple.com/2018/tvos/091-86400-20180709-9589AB9E-7C17-11E8-AC59-9651544C24EB/com_apple_MobileAsset_SoftwareUpdate/ccfb95c5d751d7349052e2ade967b9c242590887.zip ccfb95c5d751d7349052e2ade967b9c242590887.zip]
 
| 66,556,447
 
| 66,556,447
 
|}
 
|}

Revision as of 13:16, 1 July 2020

Apple TV (4th generation)

Version Build Prerequisite Version Prerequisite Build Release Date Release Type OTA Download URL File Size
11.4.1 15M73[1] N/A 9 Jul 2018 Beta 86e9200fce7da2325f58ada724c372b6eba0b4b1.zip 1,335,344,639
15M73 N/A N/A
9.0 13T396 N/A f7d5cbbcb640904da8eafb179b0be8833de2cbbc.zip 1,111,949,826
9.0.1 13T402 N/A a52455801c91e80dabfb5881d7f421f1c8ed036f.zip 1,111,946,543
9.1 13U85 N/A e6ce3a9de8272c5ae71e7e85019fe968e6e2dd6e.zip 1,111,721,471
9.1.1 13U717 N/A d96e5e48b5a8ee9cc175aa1fd54858a28548c0f9.zip 1,112,291,424
9.2 13Y234 N/A 9c0ad884dc3d84b04476ed978f1b3c1d4471400f.zip 1,005,825,276
9.2.1 13Y772 N/A 3fefff1cdb10f6389e0e7514a8c5c258fd4af46e.zip 1,005,810,918
9.2.2 13Y825 N/A 1232a4ee69b209e68c0337130ee6fd8e2134f2bc.zip 1,005,803,623
10.0 14T330 N/A 040431d5944514bc02b2ccc82ae813aa52045d6a.zip 874,113,113
10.0.1 14U71 N/A 2c68a669d31c3e235f44c72aeb8258689af9669b.zip 874,014,886
14U100 N/A affd95931917c3b0b183268b4f4cc02afdba4a45.zip 874,014,856
10.1 14U593 N/A 8f95332c1f06839bb2ebf718f9d73645ecd588f2.zip 872,203,492
10.1.1 14U712a N/A 1e796720310e2493e8aceed2cfe58ad97c31ba17.zip 872,210,946
10.2 14W265 N/A 41e2741fa0998cdb239844bb266ec3a96b7936e3.zip 862,147,945
10.2.1 14W585a N/A
10.2.2 14W756 N/A
11.0 15J381 N/A 815278f3a5784a4bc892ff602e704421e53c9b1e.zip 562,108,189
11.1 15J582 N/A
11.2 15K106 N/A
11.2.1 15K152 N/A
11.2.5 15K552 N/A
11.2.6 15K600 N/A 33fbb95f3e779a03bb47b4b37f41ef9b4b297d70.zip 503,767,176
11.3 15L211 N/A 35c6b0e68b08227942717eaa003bc29538ad2e0d.zip 261,788,588
11.4 15L577 N/A 26bb9739344584c2b7e3f8f23ab2ab2f3935124d.zip 64,605,375

Apple TV 4K

Version Build Prerequisite Version Prerequisite Build Release Date Release Type OTA Download URL File Size
11.4.1 15M73[1] N/A 9 Jul 2018 Beta e539d92e5da10404719d0ee15bff693c8488039f.zip 1,524,741,418
15M73 N/A N/A
11.0 15J381 N/A 79eba9e1ed8f0e12c4aa789530829c1e1f5da41d.zip 695,526,973
11.1 15J582 N/A
11.2 15K106 N/A
11.2.1 15K152 N/A
11.2.5 15K552 N/A
11.2.6 15K600 N/A c40751ce89f54cc36b3c6227303b3ffe6faabb38.zip 635,033,318
11.3 15L211 N/A a4e4a183f85a925759c34b72698b88eddeccf9c6.zip 390,443,006
11.4 15L577 N/A ccfb95c5d751d7349052e2ade967b9c242590887.zip 66,556,447

Notes

  1. ^ a b Apple inflated the build number in its mesu.apple.com listing, presumably to make the device recognize the update. (e.g. 15M73 was listed as 15M6073.) The listings on this page use the build number displayed on the device.