Forum Thread

Nexus 5 - Can it be activated on a US CDMA and GSM network at the same time?

securety10 1,682 560 November 4, 2013 at 09:52 PM
Asked this in the Nexus 5 thread, but it was quickly buried, maybe someone here has an answer.

I'm currently still in contract with Sprint but am highly considering ditching them soon and considering going with a MVNO (AIO is what I'm considering at the moment). Later this month I'm going to a rural area where my sprint coverage sucks, so I'm considering activating an AIO SIM for use in the Nexus 5 to test the reception. Now my question, would it be possible to have the phone activated on Sprint (CDMA) and switch back and forth to activated AIO SIM?

I know 'World Phones' have this capability, but I have also heard of CDMA providers blocking US based SIMs. Seeing as this is an unlocked phone I can't imagine Sprint could then lock it to their network, but who knows what telcos will try to pull off. I would think with the clean ESN Sprint should activate it no problem and I should just be able to insert the GSM SIM as needed.

TLDR: Can the Nexus 5 be activated on CDMA and GSM at the same time in the US?



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sprint will use a lte sprint sim card,but you have to order it from sprint online

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Good question. Theoretically it should work.
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Quote from askalice View Post :
sprint will use a lte sprint sim card,but you have to order it from sprint online

I had read before the SIM was only needed for LTE, but now as more information comes out (and more people try to activate), Sprint claims the SIM is required for activation. Though, that doesn't explain why they were having activation issues in regard to the EIN of the device if they are activating a SIM. If just the SIM is activated for Sprint, then all I'd have to do is just swap SIM cards, but I have a sneaking suspicion there is more to it than that.

Quote from cheap_bastid View Post :
Good question. Theoretically it should work.
Exactly. I just prefer someone else spends the money to test my theories LMAO

Though if it does work I could see some uses, eg keep a cheapo backup GSM SIM in case you have no CDMA coverage in an area. This phone is a step in the right direction to breaking the carriers choke hold on a particular device.
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The Nexus 5 is completely unlocked, should work on AT&T/T-Mobile/etc. You'll need a SIM card from Sprint, though.
You'll probably have to change roaming mode, and might have to keep changing APN for anything except calls if you switch back and forth...

I'm currently with Sprint and considering buying Nexus 5 on-contract from Sprint for $50 on Amazon.
If I get tired of Sprint I can cancel after a few months and (even after ETF) come out ahead from the $350 base price.
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Last edited by mossadacity November 19, 2013 at 10:19 PM.
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