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Using 5G sim for a 4G device?

C

colore

Limp Gawd
Joined
Sep 18, 2010
Messages
419
Hello

I have a 5G sim that i want to use in a 4G device.

Obviously the 5G sim can work as a 4G sim when inserted in the 4G device but i want to achieve 5G speed in the 4G device.

Is there any solution for that?

I was thinking something like a tiny USB-C module to insert tue sim and then connect it to that device
OR
maybe a tiny 5G module that is working as a router and hotspot.
OR
a software solution

In case of a hardware device, it really needs to be the tiniest possible.

Any suggestions, please?

Thank you
 
colore said:
Obviously the 5G sim can work as a 4G sim when inserted in the 4G device but i want to achieve 5G speed in the 4G device.

Is there any solution for that?
Click to expand...

Buy a 5G device :p I mean, you can use an external 5G modem/hotspot/thingie if you really want (and the carrier doesn't need you on a different plan with a different sim), but that's going to mean carrying and charging two devices and it'll be silly.
 
Get a 5g hotspot? There is no way to make a 4G phone/hotspot work at 5G speeds. The modem is physically incapable of the speeds, it's not a software issue.

Well, I say that, but even if you somehow overclocked a 4G modem, you would then also have to reprogram it to be able to speak the same language as other 5G modems, support all their features, and the various transmit frequencies (which are different from 4G, 3G, LTE, edge, etc).
 
Nobu said:
Get a 5g hotspot? There is no way to make a 4G phone/hotspot work at 5G speeds. The modem is physically incapable of the speeds, it's not a software issue.

Well, I say that, but even if you somehow overclocked a 4G modem, you would then also have to reprogram it to be able to speak the same language as other 5G modems, support all their features, and the various transmit frequencies (which are different from 4G, 3G, LTE, edge, etc).
Click to expand...

The frequency part is actually not too bad. 5G can coexist on LTE spectrum, and I'd imagine most deployments do. There's new spectrum that you'd be missing, but you could probably do ok. The big problem is an LTE modem can't do the modulation needed for 5G... just like a v.92 modem can't speak DSL or Cable and dsl and cable modems can't upgrade to the newest standards. 5G is a big jump in requirements and there's no magic button to turn an old modem into a new one.
 
toast0 said:
The frequency part is actually not too bad. 5G can coexist on LTE spectrum, and I'd imagine most deployments do. There's new spectrum that you'd be missing, but you could probably do ok. The big problem is an LTE modem can't do the modulation needed for 5G... just like a v.92 modem can't speak DSL or Cable and dsl and cable modems can't upgrade to the newest standards. 5G is a big jump in requirements and there's no magic button to turn an old modem into a new one.
Click to expand...
Problem is you won't be getting the full bandwidth on the lower frequency. It's probably still better than 4G, but also probably not exactly what op wanted.

Anyway, it's just not gonna happen. The free modem firmware is barely working on a few modems in a limited fashon as it is, but even if they got it working perfectly, it'd still be a 4G modem.
 
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