[Ledger ] Transactions are all failing in main #31004
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Issue's body doesn't match any issue template.High severity; partial loss of service with severe impact upon users, with no workaround.Regression bug that was found in release candidate (RC) for release 12.15.0Issue or pull request that will be included in release 12.16.0This bug is blocking the next releaseAccounts teamSomething isn't working
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After testing the system. following are the devices being affected: (link to slack https://consensys.slack.com/archives/CTQAGKY5V/p1742232900204879)
Trezor: Forbidden key path
ledger: unsupported transaction type: undefined
QR device: device hang during scanning QR
Ledger has been identified the root cause due to this ethereumjs upgrade PR MetaMask/accounts#209
and basically the ethereumjs upgrade code change make the transaction rawTxHex contain
0xprefix which is not valid for to @ledgerhq/hw-eth-app clearSignTransaction function. that functions expect a rawTxHex without0xprefix.