As for the fn (Function) key, I haven’t found a way to reassign or customize it, but so far, I haven’t needed it. If you don’t use features like Dictation or emoji shortcuts, you probably won’t miss it either.
A recovery key is designed as an alternative to Account Recovery ( How to use account recovery when you can’t reset your Apple Account password - Apple Support ) which is where Apple helps you regain access to your account.
In the pop-up window, enter your Recovery Key. Go to the Security section and click Edit. Remove the device you no longer wish to use to verify your identity. If you have additional devices with Find My iPhone enabled, you can verify them as trusted devices. You can also add additional trusted phone numbers. If you lost your Recovery Key
You press the key. Nothing happens. The automated call system continues; it may ask you to press a key again. By default the iPhone does not send the keypress. To fix it do this: Open Settings. Scroll down to Apps. Scroll down to Phone. Select Incoming Calls. Change the option from Banner to Full Screen. Done.
A recovery key is designed as an alternative to Account Recovery ( How to use account recovery when you can’t reset your Apple ID password - Apple Support ) which is where Apple helps you regain access to your account. However, "when you generate a recovery key, you can't use account recovery."
The Delete key opn Mac does and doesn't act the same way as the Backspace and Delete keys on a PC. Normally hitting Delete on a Mac will work as a Backspace key. To Forward Delete, normal action of the Delete key on a PC, you have to hold down the fn key and then hit the Delete key.
However, the same key DOES produce a genuine backslash in Microsoft Excel (and in this window -- see above!). So I conclude that this problem is application-specific.
A recovery key is designed as an alternative to Account Recovery ( How to use account recovery when you can’t reset your Apple ID password - Apple Support ) which is where Apple helps you regain access to your account.
A recovery key is designed as an alternative to Account Recovery ( How to use account recovery when you can’t reset your Apple ID password - Apple Support ) which is where Apple helps you regain access to your account. However, "when you generate a recovery key, you can't use account recovery."
As per the article How to generate a recovery key - Apple Support When you generate a recovery key, you can't use account recovery. Account recovery is a process that would otherwise help you get back into your Apple ID account when you don’t have enough information to reset your password. Learn more about account recovery.