Selling your iPhone goes smoother when you prepare in advance. Rush the process and you risk losing photos, leaving accounts exposed, or getting a lower offer than your device deserves. This checklist walks you through exactly what to do — and when to do it — so nothing gets missed.
One Week Before You Sell
Back Up Everything
Before anything else, create a full backup of your iPhone. This ensures your photos, contacts, messages, app data, and settings are saved before the device leaves your hands.
Two ways to back up your iPhone:
- iCloud: Go to Settings > your name > iCloud > iCloud Backup > Back Up Now
- Mac or PC: Connect your iPhone, open Finder (Mac) or iTunes (PC), and select Back Up Now
Give yourself a week in case the backup takes longer than expected or needs to be repeated.
Audit Your Apps and Accounts
Make a mental note of every app that stores login credentials on your iPhone — email, banking, social media, shopping, streaming. You’ll be signing out of all of these before you sell, so it helps to know what you’re working with ahead of time.
Check Your iPhone’s Condition
Take an honest look at your device. Screen condition, body scratches, and battery health all affect your offer price. If your screen has a minor crack or your battery is below 80%, factor that into your price expectations or get a quote now so there are no surprises later.
One to Two Days Before You Sell
Sign Out of All Apps
Log out of every app that requires a username and password. This includes:
- Email (Gmail, Outlook, Apple Mail)
- Social media (Instagram, Facebook, X/Twitter)
- Banking and payment apps
- Shopping apps (Amazon, PayPal, etc.)
- Streaming services (Netflix, Spotify, YouTube)
Leaving any account signed in means the next owner could access your personal information.
Disable iMessage
If you’re switching to Android or selling without immediately activating a new iPhone, deregister iMessage first. Otherwise you may stop receiving texts from other iPhone users.
To deregister, go to Apple’s iMessage deregistration page and follow the steps.
Remove Account Recovery Links
Go to Settings > Passwords and remove any saved passwords or account recovery methods tied to this device. This prevents the next owner from accessing recovery options linked to your personal accounts.
Transfer or Save Anything Not in Your Backup
Double-check for anything that may not be covered by your iCloud or iTunes backup:
- WhatsApp or third-party app chats
- Files saved locally in apps
- Two-factor authentication codes (move these to a new authenticator app)
The Day You Sell
Sign Out of iCloud
This is the single most important step. Signing out of iCloud removes your Apple ID from the device and disables Activation Lock — without this, the new owner cannot set up the phone.
To sign out of iCloud: Settings > your name > scroll down > Sign Out. Enter your Apple ID password when prompted and confirm.
Erase All Content and Settings
Once you’ve signed out of iCloud, perform a full factory reset.
To erase your iPhone:
- Go to Settings
- Tap General
- Tap Transfer or Reset iPhone
- Tap Erase All Content and Settings
- Enter your passcode and Apple ID password
- Confirm and wait for the process to complete
Your iPhone will restart to the setup screen. Do not complete setup — simply power it off. It’s ready to sell.
Remove Your SIM Card
If your iPhone uses a physical SIM (older models), remove it before handing over or shipping the device. Keep it for your new phone or contact your carrier about transferring service.
Clean the Device
Give your iPhone a quick wipe-down with a microfiber cloth. A clean device makes a better first impression and signals that it was well cared for — both important if a buyer or platform is making a final condition assessment.
Quick Reference: iPhone Pre-Sale Checklist
| When | Task |
|---|---|
| 1 week before | Back up to iCloud or computer |
| 1 week before | Audit all apps and accounts |
| 1 week before | Check condition and get a quote |
| 1–2 days before | Sign out of all apps |
| 1–2 days before | Disable iMessage |
| 1–2 days before | Remove account recovery links |
| 1–2 days before | Verify backup completeness |
| Day of sale | Sign out of iCloud |
| Day of sale | Erase all content and settings |
| Day of sale | Remove SIM card |
| Day of sale | Clean the device |
Frequently Asked Questions
What is the most important thing to do before selling your iPhone?
Signing out of iCloud is the single most critical step. It removes Activation Lock, which is required before a new owner can set up and use the device.
How long does it take to prepare an iPhone for sale?
With proper planning, the full process takes about a week — mostly to ensure your backup is complete. The actual sign-out and erase steps on the day of sale take less than 15 minutes.
Will a factory reset delete everything on my iPhone?
Yes. Erasing all content and settings removes all personal data, apps, accounts, and media from the device.
Does signing out of iCloud affect my other Apple devices?
No. Signing out of iCloud on your iPhone only removes your Apple ID from that specific device. Your other Apple devices remain unaffected.
Where is the best place to sell a used iPhone?
Gizmogo offers instant quotes, free shipping, and fast payment for iPhones in any condition — from like-new to cracked screens. No negotiating, no uncertainty.