3g to 4g - Vibrant Q&A, Help & Troubleshooting

Is there any way to convert 3g to 4g or is a hardware related? thanks

there is no way to get our phones to work with the actual 4g. the hardware in our phones wasn't built to support those speeds.

Its hardware based, you can't.

thanks for your information.

Akaskriller did it!
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bfranklin1986 said:
Akaskriller did it!
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Lol, I know what he "thinks" 4g is, and so do some people on the 3g vibrant section.
The "H" mod that is included with roms is NOT 4g speeds, but you are connected to hspa (or whatever the accurate acronym is) but you're still limited to the Max speed the hardware in your phone supports. Period.
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Related

galaxy s 2

if i was to buy a glaxay s 2, and connect it to t-mobile's service, would it still be possible for me to get the 4G network? just curious
4g? Hell no.
3g? No.
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That's something you should ask T-Mobile about. They have a website and everything
geoffcorey said:
4g? Hell no.
3g? No.
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So only 2G? pretty dumb
FATEOWNZYOU said:
So only 2G? pretty dumb
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Um, what unbranded phone works with tmo-us 3g bands? You have to be able to receive the correct frequencies in order to get 3g, and tmo-us uses non-worldly 3g bands, unlike att.
So, while dumb, it's the reality of the situation.
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Nokia n9 is coming with a pentaband radio, so it will work on Tmobile 3g.
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So has there been a release estimate yet on the hurcules? Bout as close as I will be able to get to Sgs2
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no release estimate yet but we do have developers ready to develope for it.
http://forum.xda-developers.com/group.php?groupid=426

4g boost?

I would like to know why is it i see alot of tweaks to boost 3g but none to boost 4g?
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diamantericos said:
I would like to know why is it i see alot of tweaks to boost 3g but none to boost 4g?
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Because 4g/LTE is not available everywhere. and there is no boost available, on a system that does not exist yet.....
Many cities are getting these enhanced backhaul improvements, but not everywhere, and certainly not soon enough...
We need true 4g/LTE speed to improve them....g
diamantericos said:
I would like to know why is it i see alot of tweaks to boost 3g but none to boost 4g?
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i guess its not a boost but maybe this will help...(depending on carrier/location/rom..etc)
http://forum.xda-developers.com/showthread.php?t=1684711
My fault i didn't clarify I'm using T-Mobile and by 4g i meant HSDPA+ . Sorry. I was hoping
If there was a boost it would help T-Mobile users achieve better speeds. I saw there was a way to force 4G but that was on stock Gb roms i believe.
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4g question

Thinking of upgrading to this phone and was wondering if the whole thing with the phone not picking up Wimax is software based or something with the hardware. I'm in Saint Louis, MO and it doesn't look like we are getting LTE from sprint anytime soon.
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LTE only
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Thanks for the response but that did not answer the initial question of whether this is software or hardware issues as to why.
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Check out this thread:
http://forum.xda-developers.com/showthread.php?t=1975647
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Yes and not to sound indignant but the way I worded the question the knowledge that the phone only picks up LTE is already there. I was asking why that is and if it was a software or hardware issue, not for clarification on the type of network the phone can use.
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Thanks for the link.
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No problem. Reading back over this thread, are you wanting to know about the LTE connectivity issue, or why an LTE phone won't work on Wimax?
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Wanting to know exactly why, if it is a software issue there may be a work around, if it is hardware then obviously there is nothing to be done.
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nateandjess07 said:
Wanting to know exactly why, if it is a software issue there may be a work around, if it is hardware then obviously there is nothing to be done.
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Wimax and LTE are two different types of 4G, and they operate on different frequencies, therefore they aren't compatible with one another. As far as the LTE connectivity issue that many EVO LTE users have complained about, it's not entirely known whether it's a hardware issue, software issue, or both. The thread I provided you the link to above deals with the connectivity issue.
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Wimax support requires an entirely different radio chip inside the phone, which the EVO 4G LTE does not have (one of the main reasons being battery life). It will never have Wimax support.
So it is hardware then. Buying the phone next weekend anyways, the 3g speeds here in St Louis aren't that terrible until you go inside a building. Thanks for that confirmation.
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T-Mobile LTE already in Kansas City!

Was just heading to oak park mall and noticed I have 4G LTE. I figured it was a fluke but here's my speed test results.
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You mofo
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We will get LTE with tmobile on the i717.........i thought att and tmobile used diffrent lte bands???
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Yeah I'm using stock ROM rooted with stock modem. I'm pretty sure T-Mobile is using 1900mhz for LTE and ATT uses 1700. Really digging the late though. Download and upload isn't a big concern but the ping has dropped to about half of what it was. Very happy with T-Mobile. I think the lte will spread quickly like their 4G did.
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RunsWithWood said:
Yeah I'm using stock ROM rooted with stock modem. I'm pretty sure T-Mobile is using 1900mhz for LTE and ATT uses 1700. Really digging the late though. Download and upload isn't a big concern but the ping has dropped to about half of what it was. Very happy with T-Mobile. I think the lte will spread quickly like their 4G did.
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T-Mobile doesn't use 1900Mhz for LTE, only AWS 1700Mhz.
Regardless the i717 doesn't support LTE over 1900Mhz.
RunsWithWood said:
Yeah I'm using stock ROM rooted with stock modem. I'm pretty sure T-Mobile is using 1900mhz for LTE and ATT uses 1700. Really digging the late though. Download and upload isn't a big concern but the ping has dropped to about half of what it was. Very happy with T-Mobile. I think the lte will spread quickly like their 4G did.
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Oh wow this is awesome!!!! Could you please get into your ServiceMode (dial *#0011#) and take a screenshot of your ServiceMode?
Did you change any of your APN settings in order to access LTE or you're running default epc.tmobile.com ?
Thanks!
I'll post a picture of it in service mode around 5pm. I'm at work right now and LTE isnt coming through the building very well. Also to answer your APN question I am indeed running the stock epc.tmobile.com. also thanks for clearing up the frequency bands ok both networks I wasn't quite sure.
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Here's another screenshot of the speedtest.net result saying it was LTE
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since last year tmobile has been switching there infrastructure to accomadate the bandwidth needed to support unlocked iphone on 3g nd hspa+
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RunsWithWood said:
I'll post a picture of it in service mode around 5pm. I'm at work right now and LTE isnt coming through the building very well. Also to answer your APN question I am indeed running the stock epc.tmobile.com. also thanks for clearing up the frequency bands ok both networks I wasn't quite sure.
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Thanks for clearing up about APN settings. This tells us that T-Mobile is near ready the commercial launch. Waiting for the service mode screen.
Thanks agsin!
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No problem. Here's your screenshot. Hope its what you needed!
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RunsWithWood said:
No problem. Here's your screenshot. Hope its what you needed!
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Awesome! Thank you!!!
milan03 said:
Awesome! Thank you!!!
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IF you dont mind me asking. What does this mean to you?
RunsWithWood said:
IF you dont mind me asking. What does this mean to you?
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I like the techie stuff. For instance, in that screenshot I can see that they're using Band 4 (AWS 1700/2100Mhz), LTE bandwidth is 5Mhz which tells me that the maximum possible download/upload speeds are 37mbps down / 12mbps up in that particular market, EARFCN 2175 means that they're using C block of the AWS spectrum which is 10Mhz slice (5Mhz used for downlink, and 5mhz for uplink).
Most consumers don't care about this kinda stuff, but I do
Thanks again!
Oh wow. Makes sense. Glad I could help and I'm sure this would help others too.
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RunsWithWood said:
No problem. Here's your screenshot. Hope its what you needed!
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One quick question, how old is your sim card?
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Its about a 7 months old.
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I would like to give you guys an update on the speeds in my area. Seems to be getting better!
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Nice, keep us updated if you get any higher. Oh and is it reliable, any problems? Can you compare your experience vs hspa+?
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This is awesome!
Can't wait to have this same experience in NYC.
My Nexus 4 is ready!

How to get 4g speed on unlocked device on Cincinnati Bell

sorry if this has been answered before but i have been looking and found nothing.
i have a s3 thats unlocked that im using on cincinnati bell. right now i only get 2g speeds. i am looking for a way to get 3g or 4g speeds. i think all i have to do is change the apn settings. i called cincinnati bell support and the guy had no clue what i was talking bout and said the device isnt compatable but i know theres a way to do it. thanks in advance.
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Lol
4G is not possible in the S3 unless you buy the LTE version.
Make sure you have a plan for 3G and in settings, the network mode is auto.
Also a place where you can get 3G connections.
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Tovagulet said:
Lol
4G is not possible in the S3 unless you buy the LTE version.
Make sure you have a plan for 3G and in settings, the network mode is auto.
Also a place where you can get 3G connections.
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i knew the 4g was a long shot lol. i have the correct plan for 3g and 3g comes in where i live. i have the network mode set to auto also. im still getting edge. are there ne other steps to take.
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pitbullmommy45245 said:
i knew the 4g was a long shot lol. i have the correct plan for 3g and 3g comes in where i live. i have the network mode set to auto also. im still getting edge. are there ne other steps to take.
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Are you sure its edge and not 3G?
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Tovagulet said:
Are you sure its edge and not 3G?
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ya it has a E by the single bars
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