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Best Buy customers often prefer the following products when searching for nano sim.

A nano-SIM card is smaller than the micro-SIM cards that have been used in phones for years. If you've got an older phone, you can still use your old SIM card to connect to cellular networks—but if you've got a newer phone, you'll need to get a nano-SIM card. Here are some great choices on the market today.

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  1. Cricket Wireless - 3-in-1 SIM Card Activation Kit - Front_Zoom

    Model: CRICKET NR BYOD SIM KIT SMALL
    SKU: 6129015
    Top comment

    "Absolutely good sims card for activation service...Good activation sims card from prepay phone service, easy and reliable connection for a goo price....Got a new phone and needed a nano Sim card. This was it"

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    Product Description

    Keep the phone you love and your number! Activate your SIM Kit and see how simple and reliable wireless can be on the Cricket Wireless nationwide 5G network. Stress less, smile more. Cricket 5G requires a compatible device and is not available everywhere. See cricketwireless.com/map for coverage details.
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    Top comment

    "Absolutely good sims card for activation service...Good activation sims card from prepay phone service, easy and reliable connection for a goo price....Got a new phone and needed a nano Sim card. This was it"

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    Product Description

    Keep the phone you love and your number! Activate your SIM Kit and see how simple and reliable wireless can be on the Cricket Wireless nationwide 5G network. Stress less, smile more. Cricket 5G requires a compatible device and is not available everywhere. See cricketwireless.com/map for coverage details.
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    See all SIM Cards
  2. Ultra Mobile - Prepaid SIM Card - Front_Zoom

    Model: UM001045
    SKU: 5706132
    Top comment

    "Sim...Works great! My phone needed a nano sim. Luckily I found it at Best Buy....Ultra Mobile sim...Bought Ultra Mobile sims from best buy. You can activate any plan from ultramobile.com. "

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    Product Description

    Stay connected with this Ultra Mobile card which works with most unlocked GSM phones. Monthly plans available from $19. Ultra Mobile Prepaid offers many plans with unlimited voice calls in the U.S.
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    Top comment

    "Sim...Works great! My phone needed a nano sim. Luckily I found it at Best Buy....Ultra Mobile sim...Bought Ultra Mobile sims from best buy. You can activate any plan from ultramobile.com. "

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    Product Description

    Stay connected with this Ultra Mobile card which works with most unlocked GSM phones. Monthly plans available from $19. Ultra Mobile Prepaid offers many plans with unlimited voice calls in the U.S.
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    See all SIM Cards
  3. Mint Mobile - Prepaid SIM Card Starter Kit - Front_Zoom

    Model: MINT-STKIT02
    SKU: 6310601
    Top comment

    "But if you don't need the nano size be careful when punching them out....Then if that was all good you put in the second Sim and you can activate and port in your old number if you like."

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    Product Description

    Our See For Yourself Kit is an easy, worry-free way to try Mint Mobile out before committing to one of our phone plans. Download our free Mint Mobile app to activate and test Mint where you live, work, and play. Try us for 7 days and once you know we're a match, choose the plan that's right for you. Bring your phone number with you from your current carrier or get a new one. The sooner you buy, the sooner you start saving like a fox.
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    Top comment

    "But if you don't need the nano size be careful when punching them out....Then if that was all good you put in the second Sim and you can activate and port in your old number if you like."

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    Product Description

    Our See For Yourself Kit is an easy, worry-free way to try Mint Mobile out before committing to one of our phone plans. Download our free Mint Mobile app to activate and test Mint where you live, work, and play. Try us for 7 days and once you know we're a match, choose the plan that's right for you. Bring your phone number with you from your current carrier or get a new one. The sooner you buy, the sooner you start saving like a fox.
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    See all SIM Cards
  4. H2O Wireless - Smart SIM Traveler Starter Kit 3-in-1 SIM Card for Unlocked Phones - Yellow - Front_Zoom
    Top comment

    "Ready to Use nano-SIMM...H2O - 3-in-1 UniversEnjoy national GSM coverage through H2O Wireless with this H2O Wireless 3-in-1 SIM card, which can be used as a micro, nano or standard SIM card to give you plenty of options. "

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    Product Description

    Enjoy national GSM coverage through H2O Wireless with this 3-in-1 SIM card. Get started today with H2O’s SIM starter kit for nationwide 4G LTE coverage on data plans as low as $20. Just activate the SIM and then find a plan that works for you on h2owireless.com.
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    Top comment

    "Ready to Use nano-SIMM...H2O - 3-in-1 UniversEnjoy national GSM coverage through H2O Wireless with this H2O Wireless 3-in-1 SIM card, which can be used as a micro, nano or standard SIM card to give you plenty of options. "

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    Product Description

    Enjoy national GSM coverage through H2O Wireless with this 3-in-1 SIM card. Get started today with H2O’s SIM starter kit for nationwide 4G LTE coverage on data plans as low as $20. Just activate the SIM and then find a plan that works for you on h2owireless.com.
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  5. Boost Mobile - 3 Months 5GB Plan SIM Card Kit - Front_Zoom

    Model: BMDPDSHTSIMENR03
    SKU: 6484740
    Top comment

    "Boost sim activation...I havent gotten to use the sim card yet turns out for boost mobile byod plans i need to purchase the sim starter kit also....Phones that are older cannot be used with this, and yes the SIM card size is Nano, but it can be turned into Micro."

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    Product Description

    For new customers ONLY. Boost Mobile gives you more power to choose. Get unlimited talk & text and high-speed data on our Expanded Data Network with all of our plans. Pick the one that fits you best and get exactly what you pay for, with no annual contracts, no credit checks, no monthly bills, no overage fees, and no roaming charges. Switching is simple and smooth. Bring your own phone, insert your Boost SIM card, and start your service by activating your plan. You can even choose whether to get a new number or keep the one you have. It’s quick and easy!
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    Top comment

    "Boost sim activation...I havent gotten to use the sim card yet turns out for boost mobile byod plans i need to purchase the sim starter kit also....Phones that are older cannot be used with this, and yes the SIM card size is Nano, but it can be turned into Micro."

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    Product Description

    For new customers ONLY. Boost Mobile gives you more power to choose. Get unlimited talk & text and high-speed data on our Expanded Data Network with all of our plans. Pick the one that fits you best and get exactly what you pay for, with no annual contracts, no credit checks, no monthly bills, no overage fees, and no roaming charges. Switching is simple and smooth. Bring your own phone, insert your Boost SIM card, and start your service by activating your plan. You can even choose whether to get a new number or keep the one you have. It’s quick and easy!
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    See all SIM Cards
  6. Verizon - SIM Starter Kit - Front_Zoom

    Model: VZW-UNISIM4GPP
    SKU: 6376567
    Top comment

    "Convenient SIM card in multiple sizes...I didn't have a nano size sim card for my new phone. This is a nice product because it has adapters that let you fit any sim card size....Sim card review...This is the best nano SIM card from best buy had no trouble and also it was compatible with my Verizon phone also..... "

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    Product Description

    Skip an annual contract and get access to nationwide 4G LTE through prepaid plans with this Verizon SIM kit. A triple-cut SIM with an included removal tool offers compatibility with most brands of phones and helps simplify installation. The My Verizon app lets you manage prepaid accounts tied to this Verizon SIM kit.
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    Top comment

    "Convenient SIM card in multiple sizes...I didn't have a nano size sim card for my new phone. This is a nice product because it has adapters that let you fit any sim card size....Sim card review...This is the best nano SIM card from best buy had no trouble and also it was compatible with my Verizon phone also..... "

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    Product Description

    Skip an annual contract and get access to nationwide 4G LTE through prepaid plans with this Verizon SIM kit. A triple-cut SIM with an included removal tool offers compatibility with most brands of phones and helps simplify installation. The My Verizon app lets you manage prepaid accounts tied to this Verizon SIM kit.
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    See all SIM Cards
  7. Ting Mobile - Sim Card Kit w/$30 service credit included - Front_Zoom

    Model: STRK-X3PACKRETAIL30
    SKU: 6406986
    Top comment

    "2 cards- Each card has optimal tear offs to get smaller size desired, such as Nano. Worked great....needed cheap sim card to test if phone was unlocke...has 2 sims for multiple carriers havent used service"

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    Product Description

    Choose a Ting Mobile plan that fits you. Our sim kit includes $30 service credit when you activate with us (new subscribers only). Try us out and you can enjoy savings off your monthly bill on any of our plans. Choose if you want 3 months of Unlimited T&T included on our Flex plan starting at $10/mo, or enjoy your first month included with unlimited T&T and 5GB of data on our set 5 plan for $25/mo. If you are seeking more of an unlimited option, choose from our Unlimited or Unlimited Pro plans starting at $45 and enjoy a discount off your monthly bill with this sim kit. Plus applicable taxes.
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    Top comment

    "2 cards- Each card has optimal tear offs to get smaller size desired, such as Nano. Worked great....needed cheap sim card to test if phone was unlocke...has 2 sims for multiple carriers havent used service"

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    Product Description

    Choose a Ting Mobile plan that fits you. Our sim kit includes $30 service credit when you activate with us (new subscribers only). Try us out and you can enjoy savings off your monthly bill on any of our plans. Choose if you want 3 months of Unlimited T&T included on our Flex plan starting at $10/mo, or enjoy your first month included with unlimited T&T and 5GB of data on our set 5 plan for $25/mo. If you are seeking more of an unlimited option, choose from our Unlimited or Unlimited Pro plans starting at $45 and enjoy a discount off your monthly bill with this sim kit. Plus applicable taxes.
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    See all SIM Cards
  8. AT&T - SIM Kit - Front_Zoom

    Model: ATT PREPAID SIM KIT
    SKU: 6377453
    Top comment

    "Great AT&T Sim Card...Recieved AT&T sim card as described. It does have 5G capability. 3 most common different sizes possible from this one card - nano, micro, and standard. ...Sim...It would be better if a tool was supplied to open up the nano sim slot on the phone. Just a small plastic pin or something"

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    Product Description

    Switch networks and keep your device with this AT&T prepaid SIM kit. A wide selection of available phone plans let you choose one that best fits your lifestyle, and direct activation from your phone or tablet makes setup easy. The triple-cut design of this AT&T prepaid SIM kit works with a wide range of mobile devices.
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    Top comment

    "Great AT&T Sim Card...Recieved AT&T sim card as described. It does have 5G capability. 3 most common different sizes possible from this one card - nano, micro, and standard. ...Sim...It would be better if a tool was supplied to open up the nano sim slot on the phone. Just a small plastic pin or something"

    See all customer reviews

    Product Description

    Switch networks and keep your device with this AT&T prepaid SIM kit. A wide selection of available phone plans let you choose one that best fits your lifestyle, and direct activation from your phone or tablet makes setup easy. The triple-cut design of this AT&T prepaid SIM kit works with a wide range of mobile devices.
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    See all SIM Cards
  9. Mint Mobile - 5GB/mo Phone Plan - 12 Months of Wireless Service - Front_Zoom
    Top comment

    "Great Sim Card for a good value!...Great store that sells a sim card with a decent price tag. After getting hands-on I would recommend this sim card to anyone....I guess the cuts of the newer version was bad because the nano SIM of the first ones had too much play in my SIM tray. "

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    Product Description

    Mint Mobile is the easy way to save a ton on wireless. Get unlimited talk and text plus 5G · 4G LTE data on the T-Mobile Network, and you can even bring your own phone. Genius, right?
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    Top comment

    "Great Sim Card for a good value!...Great store that sells a sim card with a decent price tag. After getting hands-on I would recommend this sim card to anyone....I guess the cuts of the newer version was bad because the nano SIM of the first ones had too much play in my SIM tray. "

    See all customer reviews

    Product Description

    Mint Mobile is the easy way to save a ton on wireless. Get unlimited talk and text plus 5G · 4G LTE data on the T-Mobile Network, and you can even bring your own phone. Genius, right?
    See all SIM Cards
    See all SIM Cards
  10. TracFone - Keep Your Own Phone Sim Card Kit - Multi - Front_Zoom

    Model: TFATKTMVZPOS-TRI1
    SKU: 6506312
    Top comment

    "Replace SafeLink sim...I needed to replace my SafeLink sim and was easy told to get TracFone sim. Everything worked good...SIM works with Pixel 7 and basic plan...I read that people had problems with Tracfone SIMs in the Pixel 7, but I had no problem activating this SIM and keeping my old number with all minutes, texts and data transferred. "

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    Product Description

    Use your compatible cell phone on the Tracfone network with this Tracfone SIM kit, which contains CDMA LTE three-in-one (nano/micro/regular) SIM cards and activation instructions to suit your needs.
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    Top comment

    "Replace SafeLink sim...I needed to replace my SafeLink sim and was easy told to get TracFone sim. Everything worked good...SIM works with Pixel 7 and basic plan...I read that people had problems with Tracfone SIMs in the Pixel 7, but I had no problem activating this SIM and keeping my old number with all minutes, texts and data transferred. "

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    Product Description

    Use your compatible cell phone on the Tracfone network with this Tracfone SIM kit, which contains CDMA LTE three-in-one (nano/micro/regular) SIM cards and activation instructions to suit your needs.
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    See all SIM Cards
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