# Using current Sim card

**URL:** <https://community.braxtech.net/t/using-current-sim-card/2136>\
**Category:** General topics\
**Created:** [August 30, 2025, 9:45am UTC](https://community.braxtech.net/t/using-current-sim-card/2136 "2025-08-30T09:45:06Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Pr0t3chtm3](https://community.braxtech.net/user_avatar/community.braxtech.net/pr0t3chtm3/32/719_2.png) [@Pr0t3chtm3](https://community.braxtech.net/u/Pr0t3chtm3)\
**Post date:** [August 30, 2025, 9:45am UTC](https://community.braxtech.net/t/using-current-sim-card/2136/1 "2025-08-30T09:45:06Z")

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Continuing the discussion from [Welcome to Brax Community! 👋](https://community.braxtech.net/t/welcome-to-brax-community/5):  
Sim cards  
My question is this, if I use my vurrent sim card from my telco, will it affect the security of the phone ie: ltracking etc

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**Author:** ![Mycenius](https://community.braxtech.net/user_avatar/community.braxtech.net/mycenius/32/181_2.png) [@Mycenius](https://community.braxtech.net/u/Mycenius)\
**Post date:** [August 30, 2025, 10:12am UTC](https://community.braxtech.net/t/using-current-sim-card/2136/2 "2025-08-30T10:12:06Z")

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Welcome to the forum @Pr0t3chtm3. Search is your friend - this has been discussed in several threads. These 2 should get you started:

> [@Privacy Risks of Using Personal SIM Card on Brax3 vs. Calyx Hotspot?](https://community.braxtech.net/t/privacy-risks-of-using-personal-sim-card-on-brax3-vs-calyx-hotspot/1537):
>
> Before putting my current SIM card into my Brax3, I did some research on SIMs to better understand them. I’ve watched three video explaining them in detail: Naomi Brockwell: No SIM? No Problem! (22 min) “[https://www.youtube.com/watch?v=RyirQOCUUK8](https://www.youtube.com/watch?v=RyirQOCUUK8)” Rob Braxman Tech: Are There eSIM Hidden Dangers? (19 min) “[https://www.youtube.com/watch?v=IF1ziJ10Axk](https://www.youtube.com/watch?v=IF1ziJ10Axk)” Ditch Your Expensive Internet for THIS! (7 min) “[https://www.youtube.com/watch?v=AqV-DI3BvIU](https://www.youtube.com/watch?v=AqV-DI3BvIU)” Here’s what I understand: SIM OS itself and …

> [@Question about privacy and using an existing SIM](https://community.braxtech.net/t/question-about-privacy-and-using-an-existing-sim/1805):
>
> As I’m preparing myself to set up our Brax3s and was thinking about the SIM I’ve been using being known to be mine. I assume that to be the case. (Wife has no SIM but uses wifi) I’m in Central America and my home internet router with wifi is in my name with a local carrier, I use a “made for latin market” Chinese phone (Android with Google), and Amazon Firestick and YouTube app, both signed in with my name. Am I right to think the SIM card is the same? I mean, obviously the account through …

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