Apple Account & security
Most “phone locked” problems are actually account problems. Fix the account first, with the official recovery process, and keep it secured afterwards.
Apple ID recovery
Trusted device, iforgot.apple.com, then the waiting period if needed.
How to unlock an Apple ID without a password (legally)
The real options, and why paid shortcuts are not real.
Apple Account locked or disabled
Why Apple freezes accounts, and what to do during the wait.
Apple Account security checklist
Ten minutes that prevent most account takeovers.
iCloud backup and restore, explained
What a backup saves, and what it cannot unlock.
iOS security updates, explained
What patches fix and why old phones stop getting them.
iOS downgrade and signing, explained
Only while Apple is still signing that version.