In most part of Africa hardware wallets are not only difficult but expensive to get apart form using custodian wallets like trust wallet and metamask is there an alternative software that can help hodl Bitcoin in a flash drive. or otherwise
If the amounts are small, then you need to download the mobile version of the Electrum wallet and the Veracrypt program. Your encrypted container can be disguised on a USB flash drive as any file that you save on a few. It's safe if your computer is free of viruses, but it's fast and convenient.