Stay Connected, Stay Online

TOPSIM provides global 4G/5G connectivity for all your devices. Our products include physical SIMs, eSIM plans, portable Wi-Fi routers, and specialized IoT SIM cards for cameras, drones, GPS trackers, and more. Stay connected worldwide, seamlessly and reliably. We offer four trusted brands—SmartSIM, KiwiSIM, and TALKSIM—each designed to provide seamless connectivity for all your digital needs.

Why Choose TOPSIM

  • 4G LTE network

    TOPSIM cards provide high speed 4G LTE network, and auto select top American top cellular carriers AT&T, T-Mobile, and Verizon

  • Pay as you go

    TOPSIM Card is a versatile and reliable solution for all your data connectivity needs.Our sim card provides transparent pricing data plans, no contract, no hidden fees, no activation fees, no tax, cancel your auto subscription anytime.

  • Easy devices connection

    TOPSIM cards perfect for a range of 4G unlocked IoT devices such as security cameras, router modems, mobile hotspots, smartwatches, cell phones, tablets, game/trail hunting cameras, 4G PoC walkie talkies, Android radios, and car/pet GPS tracker devices.

How to Activate SIM card

How to activate the SIM card?

  • Step 1 : Make sure your device UNLOCKED
  • Step 2 : Read your device user manual to find APN setting
  • Step 3 : Fill in APN: plus or linksnet (Refer to the APN on the product packaging.)
  • Step 4: And restart your device

How to set APN on your iPhone?

Phone Settings=>Cellular=>Cellular Date=>Cellular DateNetwork=>enter the APN information=>Enable Date Roaming

  • APN name: Customize
  • APN:plus or linksnet (Refer to the APN on the product packaging.)
  • Username and password do not need to be entered

Go to YouTube Video Tutorial

How to set APN on your Android phone(Samsung/Google/Xiaomi...)?

Phone Settings=>Mobile Network=>Select the card name=>Turn onDate Roaming=>Access Point Name(APN)=>NeW APN=>Enter the APNinformation

  • APN name: Customize
  • APN:plus or linksnet (Refer to the APN on the product packaging.)
  • Username and password do not need to be entered

Go to YouTube Video Tutorial

How to set APN on your WiFi Router/Mobile Hotspot?

Turn off the device=>Insert the card and turn on=>Connect the deviceto computer using USB cable=>Follow the device instructions to findthe configuration page and configure APN

  • APN name: Customize
  • APN:plus or linksnet (Refer to the APN on the product packaging.)
  • Username and password do not need to be entered

Go to YouTube Video Tutorial

How to set APN on camera?

Method 1：Insert the card into the phone, configure the APN of the card, and then insert the card into the camera.

Method 2：=>Power on the camera Press the "Reset" button for 5-10 seconds. After you hear the device say “system reset” Insert the card in the correct direction.

=>Enter the device's APPClick “Add a device” Then Click “Setup 4G Device”

=>Click “Blue light isn't constantly on? Click here” Click “Setup APN”

=>Click “Setup APN” Enter “linksnet” Click “OK”

=>After configuring the APN If the camera has not detected the card, you can let the device scan the QR code. If the card is detected the card, you can click“ Next”

  • APN name: Customize
  • APN:plus or linksnet (Refer to the APN on the product packaging.)
  • Username and password do not need to be entered

Go to YouTube Video Tutorial

How to set APN on SmartWatch?

Phone Settings=>Cellular=>Cellular Date=>Cellular DateNetwork=>enter the APN information=>Enable Date Roaming

  • APN name: Customize
  • APN:plus or linksnet (Refer to the APN on the product packaging.)
  • Username and password do not need to be entered

Go to YouTube Video Tutorial

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