And please if you have any opinion concerning that my friend with faulty device , it will be appreciated. Because I know there’s no way the other is going to get his back , and please try and learn from this so that you won’t make same mistake, losing your hard earn funds is not funny at all .
When it comes to cryptocurrency where everything is done through a network and transactions are processed with the internet, a topic you should take very seriously is the subject of security. The much you can keep always comes down to how secure you are. Either in the ways you handle your wallets per the type of wallet you choose to save your coins and the way you keep your private key.
If the motherboard is bad beyond repairs, ask your repairer to extract the storage chip (eMMC) from the bad motherboard and look for a good card reader to extract the data ( if it's iPhone or higher version android phone) he would need a good specialist with forensic skills to decrypt the data because most advanced phones encrypt their Data for security reasons.
It's going to cost him some money but if those data/ coins are worth it why not.
Stop screenshoting your backups, it takes less than 50 seconds to write and less than 60 secs to find a safe location.
When it’s got to do with IOs devices, you wouldn’t find much lock without having your iCloud details. That could save you a lot of trouble as, it could transfer what you’ve got on a damaged device into a new one. You’ll be sure to have backed it up though.