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- 01 Mar 2026, 00:15
- Forum: Initialization
- Topic: [Help] Safest way to upgrade from TOS from 5.0.176-0027 (F5-221)
- Replies: 4
- Views: 125
Re: [Help] Safest way to upgrade from TOS from 5.0.176-0027 (F5-221)
If your unit supports it, I’d avoid jumping versions manually. Just upgrade step-by-step via the NAS GUI to the latest stable (non-beta) version it offers. That’s usually the safest path. And yes, if you try to install an incompatible TOS version, it should block it — but I’d definitely confirm your...