/Software Tech Specs > iDevice OS Index

• iPhone OS 1.0

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• iPhone OS 2.0

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• iPhone OS 3.0

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• iOS 4.0

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• iOS 5.0

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• iOS 6.0

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• iOS 7.0

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• iOS 8.0

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• iOS 9.0

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• iOS 10

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• iOS 11

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• iOS 12

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• iOS 13

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• iOS 14

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• iOS 15

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• iOS 16

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• iOS 17

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• iOS 18

  • March 31st, 2025 – Apple begins testing iOS 18.6, according to MacRumors’s visitor logs.
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  • June 16th, 2025 – iOS 18.6 beta 1 (22G5054d)
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  • June 21st, 2025 – Public Beta of iOS 18.6 is released
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  • June 30th, 2025 – Second Beta seeded to developers
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  • July 1st, 2025 – Second Public Beta, Build 22G5064d
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  • July 15th 2025 – iOS 18.6 Beta 3 (Build 22G5073b)
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  • July 30th 2025 – Final Release, Build 22G86
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• iOS & iPadOS 26

  • June 9th, 2025: Developer Beta 1, Build 23A5260n
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  • June 13th, 2025: Developer Beta 1, Build 23A5260u (No release notes)
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  • June 23rd, 2025: Developer Beta 2 (Build 23A5276f)
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  • July 7th, 2025: Developer Beta 3 (Build 23A5287g)
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  • July 22nd, 2025: Developer Beta 4 (Build 23A5297i)
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  • July 24th. 2025: Developer Beta 4 & Public Beta 1 (Build 23A5297m)
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  • August 5th, 2025: Developer Beta 5 (Build 23A5308g)
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  • August 11th, 2025: Developer Beta 6 (Build 23A5318c)
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