Is my Cold Card Q bricked?

[Solo6R]

Now that I have a replacement unit on the way, a bit of an off-topic question if I may. Will I need to re-import my wallet into sparrow even if I'm using the same seed? I assume that would be the same XFP as well. I'm planning to just restore the cold card backup file I generated with the previous cold card.

[satscraper]

And just now received confirmation that my replacement was on the way. No questions asked. I will say that's some top notch support for the industry.

Wow, great, really the top notch which works with the speed of light.

Now that I have a replacement unit on the way, a bit of an off-topic question if I may. Will I need to re-import my wallet into sparrow even if I'm using the same seed? I assume that would be the same XFP as well. I'm planning to just restore the cold card backup file I generated with the previous cold card.

You mean to pair your new device ^{(with SEED which equals to the old one)} to Sparrow again to be able to control your stash, right? I don't think there will be a need to do this. Sparrow is the descriptor based wallet, relevant descriptor on Sparrow is kept untouched, thus your new device will posses all  power to communicate with Sparrow. ^{(Tell me when you test this If I'm wrong )}

[Pmalek]

And just now received confirmation that my replacement was on the way. No questions asked. I will say that's some top notch support for the industry.

That was quick. Good for you. It's a positive sign that Coldcard decided to send you a replacement device so fast, but it's also a bit worrying. You must have made a compelling case for them not to ask photo/video evidence and have you run through various possible fixes first. I said worrying because it seems they know exactly what happened and that it can't be fixed remotely, and it's also not something new to them. Still, this is the first case I remember seeing on Bitcointalk.

[Solo6R]

And just now received confirmation that my replacement was on the way. No questions asked. I will say that's some top notch support for the industry.

That was quick. Good for you. It's a positive sign that Coldcard decided to send you a replacement device so fast, but it's also a bit worrying. You must have made a compelling case for them not to ask photo/video evidence and have you run through various possible fixes first. I said worrying because it seems they know exactly what happened and that it can't be fixed remotely, and it's also not something new to them. Still, this is the first case I remember seeing on Bitcointalk.

Well I sent them photos and the above posted video with the original support ticket, preemptively. Try to save us both some time. Had I not shared the video of the behavior then perhaps they would have asked for one? I don't know.

[dkbit98]

Now that I have a replacement unit on the way, a bit of an off-topic question if I may. Will I need to re-import my wallet into sparrow even if I'm using the same seed? I assume that would be the same XFP as well. I'm planning to just restore the cold card backup file I generated with the previous cold card.

Never import any seed words from hardware wallet into hot wallets!
When you open Sparrow wallet just select hardware wallets from settings and connect it with your c0ldcard device.
If you have/had multiple devices from same manufacturer you still need to connect them separately with Spparow wallet.

[bitcoinfortheworld]

My ColdcardQ was fine and then decided to shut down when I inserted my Micro SD card ... several times
Then shut down before I could enter my full pin
Turned out to be the batteries !
Even though they were'nt that old.... less than a month .....duracell bunnies too

[dkbit98]

My ColdcardQ was fine and then decided to shut down when I inserted my Micro SD card ... several times
Then shut down before I could enter my full pin
Turned out to be the batteries !
Even though they were'nt that old.... less than a month .....duracell bunnies too

Are you Solo6R or someone else?
I heard reports from other people thart c0ldcard devices drains batteries very quickly, but at least you can replace them.
Maybe it's not a bad idea to buy rechargable batteries with a charger, they are not that expensive anymore.
But best thing you could do is to stop using devices from anti-open source creators, and switch to better open source alternatives.

[NotATether]

My ColdcardQ was fine and then decided to shut down when I inserted my Micro SD card ... several times
Then shut down before I could enter my full pin
Turned out to be the batteries !
Even though they were'nt that old.... less than a month .....duracell bunnies too

It would be great if you can easily find battery testers somewhere to immediately figure out when the batteries are dead.

I tried looking for some, but I don't find any in my area. I guess it's something you have better luck with ordering online.

It's not just applicable to cold wallets and would solve a lot of problems I have with various appliances 

[Forsyth Jones]

...
But best thing you could do is to stop using devices from anti-open source creators, and switch to better open source alternatives.

Correct me if I'm wrong, but coldcard has a type of license where the code is source-available, meaning its firmware is publicly accessible for review, study, audits and security checks. However, it's proprietary code, not closed, which means redistributing Coinkite's code or using it to create competing products isn't allowed.

This is why coldcard's firmware is not considered open source, yet it remains available to the public. This allows technically skilled individuals to verify whether the code does exactly what it claims or if it hides any secrets.

I just can’t recall the name of the license Coinkite started using for the code. I believe this change happened because Passport copied part of coldcard's code (please correct me if I’m wrong).

[dkbit98]

This is why coldcard's firmware is not considered open source, yet it remains available to the public. This allows technically skilled individuals to verify whether the code does exactly what it claims or if it hides any secrets.

They are also using secure elements chip that black boxes wtih closed source firmware, so strickly speaking they are not even fully source-available.

I just can’t recall the name of the license Coinkite started using for the code. I believe this change happened because Passport copied part of coldcard's code (please correct me if I’m wrong).

They first LIED for months they still have open source license even after they changed it, and they advertised this lies on their website.
Luckily we documented and saved everything for archive, so they can't deny this.
License name is Common Clause:
https://github.com/Coldcard/firmware/blob/master/COPYING-CC

Is this “Open Source”?
No.

https://commonsclause.com/

[Forsyth Jones]

This is why coldcard's firmware is not considered open source, yet it remains available to the public. This allows technically skilled individuals to verify whether the code does exactly what it claims or if it hides any secrets.

They are also using secure elements chip that black boxes wtih closed source firmware, so strickly speaking they are not even fully source-available.

I just can’t recall the name of the license Coinkite started using for the code. I believe this change happened because Passport copied part of coldcard's code (please correct me if I’m wrong).

They first LIED for months they still have open source license even after they changed it, and they advertised this lies on their website.
Luckily we documented and saved everything for archive, so they can't deny this.
License name is Common Clause:
https://github.com/Coldcard/firmware/blob/master/COPYING-CC

Is this “Open Source”?
No.

https://commonsclause.com/

Thanks for the clarification and for mentioning the license name, that said, which one do you think is better for the use case? I've been researching about Krux and Passport 2, the most well-known manufacturers like Ledger and Trezor just want to please shitcoiners and have stopped offering features that we only find in air-gapped wallets.

The only exception to USB wallets is Bitbox02 which is striving to offer a better service by bringing more innovations like BIP-85.