Would you say it's easy or medium or hard to do? I'm not someone that is good at fixing things so something that is easy to many would be a bit overwhelming to me.
It depends on your tools and skills, but considering your history on this forum, I wouldn't recommend doing it!
On link you mentioned, screen costs a buck, what's there to lose?
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How about possibility of accidentally brick the hardware wallet? Anyway, SFR10 was referring to his habit when creating thread. After so many years, he still create similar/near-duplicate thread and even create 5 separate thread in same day about Nano Ledger S.
Edit 2025: Today i notice this user create 5 threads within 36 minute interval.

It seems OP is back to re-ask similar question. To other reader, you might want to read his other thread first,
Nano Ledger S Plus Firmware and Ledger Live Update?, November 29, 2023, 04:47:33 AM
Ledger Live Update?, August 29, 2023, 07:09:55 AM
Ledger Live Update?, July 15, 2023, 06:02:05 AM
Ledger Live Update?, September 03, 2022, 07:45:22 PM
Ledger Firmware Update?, November 11, 2021, 07:26:45 PM
Ledger Live Update, October 30, 2021, 05:43:11 PM
Firmware Update Questions, May 14, 2021, 05:25:03 AM
Ledger Live Update, November 22, 2020, 12:25:51 AM
How often Does Nano Ledger Have a Firmware Update? , October 19, 2020, 07:40:26 PM
Someone even made thread about his behavior on
jerry0 case.
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