Is that safe to buy a used hardware wallet ?

[profitgenerator212]

Is there any danger to use a second hand hardware wallet ?

There could be, if the user is a smart tech savvy person he could reprogram the firmware of the device and steal your coins.

It's always a good idea to reflash a second-hand hadrware wallet before using it.

[iram3130]

Is there any danger to use a second hand hardware wallet ?

There could be, if the user is a smart tech savvy person he could reprogram the firmware of the device and steal your coins.

It's always a good idea to reflash a second-hand hadrware wallet before using it.

Yes, it's best to reflash the trezor or hardware wallets. If it supports third party softwares and if the old owner is a techy then it can be easily manipulated. It's best to buy a new one.