In a nutshell: To transfer a SIM card to a new phone with a Straight Talk account, turn off both phones and locate the SIM trays. Use a tool to open the trays, then transfer the SIM from the old phone to the new one. After securing the SIM, power on the new
If you just got a new phone then you probably want to transfer your SIM to your new phone. After all, your SIM is what identifies your device to your phone company as belonging to your account, and it is where so much of your personal information is stored. If you have a Straight Talk account, there are a couple of different ways you have of doing this, depending on what type of SIM card you have.
Please note that not every SIM card will fit every phone. A nano SIM, for example, won't fit into a tray designed for a micro SIM. Also, some Straight Talk phones use eSIMs instead of physical SIMS.
To transfer an eSIM, skip to step 16.
The location, if it is not obvious, should be in your phone's manual.
Straight Talk home page
You can also use your phone's serial number.
Straight Talk activation page
When prompted, choose the option to activate a phone with a transferred number.
Stop here. Do not continue with the next step.
The More Options menu will open.
A verification code will be sent to you.
If you need help transferring your SIM, call a Straight Talk customer support agent for assistance. The customer support service is available 24 hours a day, seven days a week.

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