Download Article
An easy-to-follow guide for activating a new or used cell phone
Download Article

If you bought your new phone from the carrier’s store, then it most likely came to you activated. If you bought your phone used or had the carrier ship it to you, then chances are you’ll need to activate it. The process is a little different for each carrier, but this How.com.vn article will guide you through the basic steps to get your phone activated with any carrier.

Easiest Way to Activate a Cell Phone

Log into your carrier’s website, select the line you want to activate the device on, and enter the IMEI number for your phone. You can find the IMEI number by dialing *#06# on your phone. If you’re having trouble activating your phone online, call your carrier or visit a retail outlet for further assistance.

Section 1 of 3:

Activating a New Cell Phone

Download Article
  1. How.com.vn English: Step 1 Get your IMEI number.
    This may not be required during activation, but it can be helpful to have around.[1]
    • Dial *#06# to display your new phone's IMEI. You can also usually find it printed on your phone's packaging.
  2. How.com.vn English: Step 2 Activate through your carrier's website.
    Most carriers have activation services that are available through their websites. This can be a much quicker method than trying to call and get a cell phone activated.
    • The process is slightly different per carrier, but generally you will need to log in, select the line you are activating a device on, and then enter the IMEI number for the phone you are activating.
    • If you're activating a prepaid plan online, you will likely need to enter an Activation Code. This is typically included with your SIM purchase. If you don't have one, you'll need to call the number below for your carrier, or go into a retail store.[2]
    Advertisement
  3. How.com.vn English: Step 3 Call the activation number from your new phone.
    If you are having difficulty activating online, or have a special case (such as activating an upgrade received from someone else's line on the same plan), calling your carrier will be the easiest way to ensure that everything activates properly.[3] You may need the account holder's SSN or other identifying information.
    • AT&T - (866) 895-1099
    • Verizon - (800) 922-0204
    • T-Mobile - (844) 730-5912
  4. How.com.vn English: Step 4 Visit a retail outlet for your carrier.
    While this is the most inconvenient way to activate your phone, it is also the most sure-fire way to activate without any problems.[4] If you aren't able to activate online or over the phone, or didn't get a SIM card with your new phone, visiting the store will get your problem quickly solved.
  5. Advertisement
Section 2 of 3:

Activating a New iPhone

Download Article
  1. How.com.vn English: Step 1 Insert your new SIM card in your new iPhone (if necessary).
    [5] Your new iPhone will come with a SIM card if your carrier requires one. The SIM card may already be inserted in your phone. Not all carriers use SIM cards.
    • The SIM tray can be found on the right side of the iPhone. Use the SIM removal tool or a small paperclip to eject the tray.
  2. How.com.vn English: Step 2 Power on your new iPhone.
    New phones will take a few moments to boot up.
  3. Step 3 Slide the "Hello" screen to start the setup process.
    • If you are trying to activate a used iPhone, you may be prompted to log in with the previous owner's Apple ID. The only way to bypass this is to perform a complete wipe and reset of the iPhone. If this still doesn't work, the previous owner reported the iPhone as stolen, and it cannot be activated.
  4. How.com.vn English: Step 4 Select a wireless network.
    Enter in the password if the network is secured.
    • If you don't have access to a wireless network, you can plug your iPhone into your computer and use iTunes or Finder to activate the device. You will be prompted to activate automatically after plugging the phone in.
  5. How.com.vn English: Step 5 Wait for your iPhone to activate.
    [6] Your iPhone will attempt to activate automatically as soon as it connects to the wireless network.
    • If you receive a SIM card error, ensure that you have the correct SIM card inserted in the iPhone.
  6. How.com.vn English: Step 6 Proceed with your iPhone's setup.
    After activating, the setup assistant will continue guiding you through the iPhone's setup process.[7]
  7. Advertisement
Section 3 of 3:

Activating a Used Cell Phone

Download Article
  1. How.com.vn English: Step 1 Purchase a SIM card if your carrier requires one.
    In order to activate your used phone, you will need to insert a SIM card for your plan.
    • Unless the device has been unlocked, it can generally only be activated on the same carrier it was originally activated on.
  2. How.com.vn English: Step 2 Get your IMEI number.
    This may not be required during activation, but it can be helpful to have around.
    • Dial *#06# to display your new phone's IMEI number. You can also usually find it printed on the phone itself, either on the back or behind the removable battery.
  3. How.com.vn English: Step 3 Call the activation number from your new phone.
    [8] The quickest way to get your used phone activated will be to call the carrier directly. It may be difficult to activate the phone using the online site, especially if it is older.
    • AT&T - (866) 895-1099
    • Verizon - (800) 922-0204
    • T-Mobile - (844) 730-5912
  4. How.com.vn English: Step 4 Visit a retail outlet for your carrier.
    [9] This is another way to easily activate your used phone. Make sure to bring in your SIM card, or let the employee know that you need to purchase a new SIM card.
    • It might be a good idea to listen to and write down any important voicemails on the old device before you activate a new one since there's a chance that your voicemail inbox may not transfer to your new device.
    • You'll also want to back up your old text messages, contacts, and any other data on your old phone. Like voicemails, there's a chance that your old text history, contacts, or other data will not transfer.
  5. Advertisement

Community Q&A

Search
Add New Question
  • Question
    How do I activate an old flip cell phone that won't turn on?
    How.com.vn English: Community Answer
    Community Answer
    You could take it to a mobile phone or electronics retailer and ask the staff there for assistance with it.
  • Question
    How do I activate an old flip cell phone?
    How.com.vn English: Community Answer
    Community Answer
    You can buy time for it at the store on a card, or get a monthly plan online.
  • Question
    How much does it cost to activate a phone?
    How.com.vn English: Community Answer
    Community Answer
    The price depends on the mobile carrier and the cell phone plan, too, as well as taxes.
See more answers
Ask a Question
200 characters left
Include your email address to get a message when this question is answered.
Submit
      Advertisement

      Tips

      • Cell phones are programmed specifically to work with certain networks unless they are advertised as unlocked. If you wish to activate a pre-owned phone from one provider to another, such as activating a T-Mobile phone on Verizon, you might need to have the original provider unlock the phone.
      • Some cell phone providers use a communication process called global system for mobile communications (GSM) which requires a SIM card. Other providers use a process called code division multiple access (CDMA) which uses a card called a Removable User Identity Module (R-UIM) . A GSM phone will not work on a CDMA network or vice versa. If you are activating a phone that is not specified for your specific provider, call your provider to ensure that you can activate the phone on their system.
      • If your phone requires a SIM card, it should come with the phone. If not, you will need to purchase one specific to your intended provider. Removable User Identity Module (R-UIM) come with the phones and are not accessible on most CDMA phones without taking the phone apart.
      Submit a Tip
      All tip submissions are carefully reviewed before being published
      Thanks for submitting a tip for review!
      Advertisement

      References

      1. Linh Le. Certified Mobile Repair Specialist. Expert Interview. 10 February 2022.
      2. https://www.verizon.com/support/knowledge-base-209087/
      3. Linh Le. Certified Mobile Repair Specialist. Expert Interview. 10 February 2022.
      4. Linh Le. Certified Mobile Repair Specialist. Expert Interview. 10 February 2022.
      5. Linh Le. Certified Mobile Repair Specialist. Expert Interview. 10 February 2022.
      6. Linh Le. Certified Mobile Repair Specialist. Expert Interview. 10 February 2022.
      7. https://www.att.com/support/article/wireless/KM1008711/
      8. Linh Le. Certified Mobile Repair Specialist. Expert Interview. 10 February 2022.
      9. Linh Le. Certified Mobile Repair Specialist. Expert Interview. 10 February 2022.

      About This Article

      How.com.vn English: Linh Le
      Co-authored by:
      Certified Mobile Repair Specialist
      This article was co-authored by Linh Le and by How.com.vn staff writer, Darlene Antonelli, MA. Linh Le is a Certified Mobile Repair Specialist and the Owner of SC Mobile Repairs in San Clemente, California. With more than 12 years of experience, he specializes in smartphone, tablet, and smartwatch hardware repair. Linh has an iTech Mobile Device Repair Certification and an iOS Certification. He holds a Bachelor’s degree from The Franciscan University of Steubenville. This article has been viewed 421,091 times.
      How helpful is this?
      Co-authors: 15
      Updated: April 20, 2024
      Views: 421,091
      Categories: Cell Phones
      Thanks to all authors for creating a page that has been read 421,091 times.

      Is this article up to date?

      ⚠️ Disclaimer:

      Content from Wiki How English language website. Text is available under the Creative Commons Attribution-Share Alike License; additional terms may apply.
      Wiki How does not encourage the violation of any laws, and cannot be responsible for any violations of such laws, should you link to this domain, or use, reproduce, or republish the information contained herein.

      Notices:
      • - A few of these subjects are frequently censored by educational, governmental, corporate, parental and other filtering schemes.
      • - Some articles may contain names, images, artworks or descriptions of events that some cultures restrict access to
      • - Please note: Wiki How does not give you opinion about the law, or advice about medical. If you need specific advice (for example, medical, legal, financial or risk management), please seek a professional who is licensed or knowledgeable in that area.
      • - Readers should not judge the importance of topics based on their coverage on Wiki How, nor think a topic is important just because it is the subject of a Wiki article.

      Advertisement