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Common question · Data and security

How do I remove everything from an old phone?

Sign out of every account first, then erase the phone with its built-in reset (Erase All Content and Settings on an iPhone, factory data reset on Android), take out the SIM and memory card, and remove the phone from your Apple or Google account online. Your cloud copies stay safe. At SubSell, every phone is also wiped with professional erasure software before resale.

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Answered by the SubSell team · Family-run · Québécois and Canadian shop · Montreal, since 2017 · Updated

Remove what is on the phone

On an iPhone, Erase All Content and Settings does not just hide your files: according to Apple, erasing destroys the device’s encryption keys, which makes all user data unreadable. On Android, recent phones are encrypted by default, and a factory data reset has the same effect. The traces that remain are mostly on old unencrypted Android models and on memory cards, which a reset does not always erase.

Remove what the phone is connected to

  • Your Apple ID or Google account: sign out on the phone, then remove it from your devices on iCloud.com or in your Google account.
  • Your Samsung account on a Galaxy, which has its own lock.
  • Your bank: some apps make the phone a “trusted device”; remove it in the app or on the bank’s website.
  • Your two-factor codes: move the authenticator app before you erase.
  • Your Apple Pay or Google Wallet cards: remove them; they also go when you sign out and erase.
  • WhatsApp and your messaging apps: back up your chats before you erase, so they come back on the new phone.

What SubSell does on top

  1. You keep control of your accounts

    Back up, then sign out of iCloud or Google and turn off Find My before you sell. If you are unsure how, the counter walks you through it in front of you: you type your own password, on your own phone.

  2. The phone is checked

    Model, condition and IMEI: every phone is checked against stolen-phone databases before we buy it, and you show photo ID as the law requires for used goods.

  3. Professional erasure, not just a reset

    Before any resale, the phone goes through professional data-erasure software. The software wipes every user file, account and setting, the same way on every phone, whoever is at the counter that day.

  4. Checked again before it goes back on sale

    A phone only goes back on sale once it starts on the first setup screen, with no account and none of your data on it.

  5. Unsellable? Destroyed, not resold

    A device we cannot put back in circulation goes to recycling, where its storage is physically destroyed by our partners, recyclers compliant with Québec standards.

Is a reset enough?

Done properly on a recent phone, a reset makes your data unreadable. The risks are human: resetting before signing out (the phone stays locked to your account), forgetting a memory card, or an old Android model. That is why we erase every phone again with professional software, the same way every time. Too old to resell? It is recycled, with its storage physically destroyed.

Before you come in

Related questions

Does a factory reset remove everything?

On a recent iPhone or Android, it removes your data from the phone for good, because the encryption keys are erased. It does not remove the phone from your online accounts (do that yourself on iCloud.com or in your Google account), and it does not touch what you stored in the cloud.

Will erasing my phone delete my iCloud photos?

No, if you sign out first: erasing the phone does not touch the copy kept in iCloud. Do not delete your photos on iCloud.com, only the phone.

How do I remove an old phone from my Apple ID?

On iCloud.com or in Settings → [your name], pick the device and remove it from the account. If you already sold it without signing out, use Find My on iCloud.com to erase it remotely, then remove it from your account.

Straight answers

Other questions people ask us

  • How to wipe a phone before selling?

    Back up, sign out of your accounts, then reset: on an iPhone, Settings → General → Transfer or Reset iPhone → Erase All Content and Settings; on a Samsung, remove your Google and Samsung accounts, then Settings → General management → Reset → Factory data reset. Take out the SIM. SubSell then wipes every phone a second time with professional software.

  • What should I do before selling my phone?

    Back up your data, unpair your Apple Watch, move your eSIM and two-factor codes, sign out of iCloud (Find My off) or your Google and Samsung accounts, then erase the phone and take out the SIM. Bring photo ID. At SubSell, every phone also goes through professional data-erasure software before it is ever resold.

  • Does removing SIM card from phone delete everything?

    No. Removing the SIM card deletes nothing on the phone: your photos, messages, apps and accounts live in the phone’s storage and in your online accounts, not on the SIM. The SIM mostly identifies your phone line. To remove your data, sign out of your accounts and erase the phone, then keep the SIM.

  • Which is the most hacked phone?

    There is no official “most hacked phone” ranking. By volume, Android phones face far more malware, largely because of their numbers and apps installed from outside official stores; iPhones are targeted less often, and when they are, it is mostly by rare spyware aimed at specific people. The biggest risks are a phone that no longer gets updates, phishing, and an old phone sold without being erased.

  • Which is the best place to sell old phones?

    For old phones, the best place is a shop that buys older and broken models and takes the rest back for free: ads for old phones mostly attract lowball offers. SubSell buys every iPhone from the iPhone X on, Samsung Galaxy phones and Google Pixels, pays cash on the spot, and recycles what cannot be resold, free of charge.

All our answers

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757 Rue Beaubien East, Montréal • Mon-Sun 9 AM-9 PM • Walk-ins welcome