After almost 48 straight exhausting hours helping members of our community in Paraguay as well as users around the world affected by this ColdCard attack I have learned that both MK3 & MK4 (could be o...
If you are worried your device is bricked or it’s not working properly / Please note that if you can still get past the security pin screen then the device is not bricked and you can try the below if the device is acting weird or buggy but still semi-functioning:
Go to
>advanced tools
>firmware upgrade
>bless firmware
This has worked for several people and sometimes resolves weird issues and restored the device to working order
Please note that this is NOT a software upgrade which is not recommended
Go to
>advanced tools
>firmware upgrade
>bless firmware
This has worked for several people and sometimes resolves weird issues and restored the device to working order
Please note that this is NOT a software upgrade which is not recommended
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