Supported Upgrade Paths – FortiAP

Upgrading to 5.4

The tables below show the upgrade paths from earlier versions of the supported firmware to the latest version of FortiAP and FortiAP-S.

To make it easier to find the correct row for your upgrade, enter the current firmware version running on your device in the Search field. Only rows with the contents of the Search field will be shown.

Supported Upgrade Path to Latest FortiAP Version 5.4

Starting VersionBuild #Path               
5.4.20354Latest build
5.4.10339>>5.4.2
5.4.00327>>5.4.1>>5.4.2
5.2.60262>>5.4.1>>5.4.2
5.2.50254>>5.4.1>>5.4.2
5.2.40245>>5.4.1>>5.4.2
5.2.30234>>5.2.4>>5.4.1>>5.4.2
5.2.20225>>5.2.4>>5.4.1>>5.4.2
5.2.10216>>5.2.4>>5.4.1>>5.4.2
5.2.00212>>5.2.4>>5.4.1>>5.4.2
5.0.100098>>5.2.4>>5.4.1>>5.4.2
5.0.90086>>5.2.3>>5.2.4>>5.4.1>>5.4.2
5.0.80075>>5.2.2>>5.2.4>>5.4.1>>5.4.2
5.0.70064>>5.2.0>>5.2.4>>5.4.1>>5.4.2
5.0.60060>>5.2.0>>5.2.4>>5.4.1>>5.4.2
5.0.50048>>5.0.7>>5.0.8>>5.0.9>>5.0.10>>5.2.0>>5.2.4>>5.4.1>>5.4.2
5.0.40039>>5.0.7>>5.0.8>>5.0.9>>5.0.10>>5.2.0>>5.2.4>>5.4.1>>5.4.2
5.0.30032>>5.0.7>>5.0.8>>5.0.9>>5.0.10>>5.2.0>>5.2.4>>5.4.1>>5.4.2
5.0.20031>>5.0.7>>5.0.8>>5.0.9>>5.0.10>>5.2.0>>5.2.4>>5.4.1>>5.4.2
5.0.10024>>5.0.7>>5.0.8>>5.0.9>>5.0.10>>5.2.0>>5.2.4>>5.4.1>>5.4.2
5.0.00021>>5.0.7>>5.0.8>>5.0.9>>5.0.10>>5.2.0>>5.2.4>>5.4.1>>5.4.2

Supported Upgrade Path to Latest FortiAP-S Version 5.4

Starting VersionBuild #Path     
5.4.30166Latest build
5.4.20153>>5.4.3
5.4.10136>>5.4.2>>5.4.3
5.4.00121>>5.4.1>>5.4.2>>5.4.3

A comprehensive post of all supported FortiOS versions, build numbers, and their supported upgrade pathways can be found here:

Supported Upgrade Paths – FortiOS

Adam Bristow

Adam Bristow

Technical Writer at Fortinet
Adam Bristow is a Technical Writer working for the FortiOS technical documentation team. He has a Honours Bachelor of Arts in English and Minor in Film Studies and a graduate certificate in Technical Writing from Algonquin College. Stay tuned for more FortiOS Cookbook videos!
Adam Bristow

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  • Chris

    What if my firmware version is v5.4, build 0127, not 0327 like listed above.

  • ricotovi

    Hello,
    I would like to get some clarification on the “Product integration & support” section of the release notes for FortiAP devices; I have checked the release notes for 5.0.8 & 5.0.9 and in the section for FortiOS says:

    FortiAP v5.0 Patch Release 8 is supported by:
    • FortiOS v5.0.8 build 0291
    • FOS v5.0 Feature Branch fg_5-0_wifi_11ac/build_tag_4601, based off FOS v5.0.8 build
    0291.
    • FortiOS v5.2.0 build 0589

    So, my question is, does that mean that FortiAP 5.0.8 supports FortiOS v5.0.8 through v5.2.0 or just those two specifically? I ask because on the release notes for FortiAP 5.0.9 it says pretty much the same except the first version it mentions is FortiOS v5.0.10 and the last is v5.2.2

    Thanks,
    Ricardo