How To Fix

Understand blue and green iPhone message bubbles, iMessage, SMS, MMS, RCS, carrier texting, group messages, read receipts, encryption, and fallback behavior.

Fix iMessage when messages are green, stuck, not delivered, or missing by checking activation, Apple ID, Send & Receive, connection, time, outages, blocking, and deregistration.

Use iPhone Personal Hotspot over Wi-Fi, USB, or Bluetooth, change the hotspot password, check carrier support, manage Family Sharing, and control data use.

Understand the difference between iCloud and iCloud Drive, including backups, photos, files, storage sharing, Files app access, syncing, and account storage.

Use the iPhone Measure app to measure objects, estimate height on LiDAR models, use the Level tool, improve accuracy, and save measurement photos.

Use the iPhone Passwords app to find saved logins, add passwords, manage passkeys, view Wi-Fi passwords, share groups, and fix weak or leaked passwords.

Use Apple Translate on iPhone for typed text, voice translation, Conversation Mode, camera translation, offline languages, favorites, and accuracy cautions.

Use Visual Look Up on iPhone to identify plants, pets, landmarks, art, books, food, photos, videos, Safari images, and Quick Look images.

Use Apple Journal on iPhone to write entries, use suggestions, add media, set reminders, lock entries, search, sync with iCloud, and manage privacy.

Use iPhone App Library to find apps, search alphabetically, send new downloads there, delete apps, restore Home Screen icons, and hide pages.