firmware update

SandB
SandB Posts: 17
First Comment Third Anniversary
 Freshman Member
edited April 2021 in Security
Firmware of our usg40 is 4.11. I'd like to upgrade firmware to 4.35.
I found following recommendation in old release note.

Recommended upgrade to ZLD4.32 C0 or later version first before upgrading
to ZLD ZLD4.35.

Recommended upgrade to ZLD4.30 C0 or later version first before upgrading
to ZLD4.33.

Recommended upgrade to ZLD4.20 patch2 C0 or later version first before
upgrading to ZLD4.30.

Recommended upgrade to ZLD4.13 patch2 C0 or later version first before upgrade to
ZLD4.20.

Should I upgrade 5 times, 4.11 to 4.13, 4.13 to 4.20, 4.20 to 4.30, 4.30 to 4.33, 4.33 to 4.35 ?

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