An Indonesian user reported finding an extra circuit board with a cellular module and antenna between the screen and main board of a Trezor Safe 5 bought from CryptoBilis via Tokopedia in August 2026.

From the articleTrezor warns of suspected crypto-theft implant in hardware walletAlso in Trezor Warns of Suspected Hardware Implant in One of Its Wallets Sold by CryptoBilis, Trezor Warns of Compromised Hardware Wallet Following $93M Ledger Security Scare