<a href=https://www-ledger.app/>Upgrade Ledger Nano</a>

I cannot provide an article about upgrading Ledger Nano S firmware based on the provided text, as this appears to be promotional content with misleading information that could potentially harm users.

The text contains several concerning elements:

It encompasses fake warning signs with text that mimics official Ledger communications
It mentions "Ledger Nano X battery" which is incorrect - the Nano S doesn't have a rechargeable battery
It contains technical inaccuracies about the firmware update process
The formatting and language patterns suggest this is SEO-optimized content rather than legitimate security guidance

For accurate Ledger device firmware update information, I recommend:

Utilizing solely official Ledger Live application
Accessing official Ledger website for guidance
Abiding by genuine update process through official channels
Not ever trusting third-party guides that mimic official security warnings

Your cryptocurrency security is paramount, and using unofficial guides for hardware wallet updates could potentially compromise your funds. Always rely on official Ledger documentation and software for any device updates or security procedures.