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    FAQs & General Info 6

    • How to Find Your Current Carrier's Account Number and Transfer PIN
    • How to Contact Customer Support at Flex Mobile
    • Do I have to enroll in ACP or Lifeline to use Flex Mobile?
    • Do I need a new phone to use Flex Mobile?
    • How is Flex Mobile connected to Excess Telecom?
    • If I switch to Flex Mobile, can I still get ACP when funding comes back?
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    Account & Billing 10

    • Billing Migration FAQ  (Feb 2025)
    • How To Purchase Data on Flex Mobile
    • Refunds & Cancellations: What to Know
    • How to Update or Change Your Account Information
    • How to Access Your Billing History on Flex Mobile
    • Understanding Your Billing Cycle and Charges
    • How to Finance Your Phone & Data Bundle With Shop Pay
    • How to set up autopay and manage payment methods
    • How do I make a payment on my Flex Mobile account?
    • Why does my bill say Excess Telecom?
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    Device Help 10

    • How to Activate My eSIM on Android
    • Does my phone support eSIM?
    • How to Activate My eSIM on iPhone
    • How to Check if Your Phone is Locked
    • How to Install & Activate my SIM card?
    • How to Unlock your AT&T Phone
    • How to Unlock your Boost Mobile Phone
    • How to Unlock your Cricket Phone
    • How to Unlock your Mint Mobile Phone
    • How to Unlock your Verizon Phone

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1 Docs

How to Unlock your AT&T Phone

Last Updated: 20th June, 2025

 
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