S4 Radio Busted? - Sprint Samsung Galaxy S 4 Q&A, Help & Troubleshoot

Plz delete. I fixed my own problem.
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Emerl said:
Plz delete. I fixed my own problem.
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How did you fix your radio problem...sorry 2 bother having issues with my sprint s4 signal...any help thanks
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DaGreatOne671 said:
How did you fix your radio problem...sorry 2 bother having issues with my sprint s4 signal...any help thanks
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Well the problem was that the LTE radio was the only radio band turned on, since I have my s4 unlocked to Metro, it wouldn't pick up the LTE band. In the "How To" guide for domestic unlock, I did the whole process again, but only when I selected "LTE ALL" in the service menu is when the rest of the bands turned back on and my signal came back.
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[Q]Possible to boost the signal

Hi everydbody. I got a question. When I go to see my girlfriend at Montreal, I got a very bad signal. There is a way to get a better signal?
Thanks
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xxjack3dxx said:
Hi everydbody. I got a question. When I go to see my girlfriend at Montreal, I got a very bad signal. There is a way to get a better signal?
Thanks
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Buy an active signal booster (ie a cell phone signal repeater).
Call your provider and compplain about coverage in the area.
Hold your phone 'right' lol.
Usually if you get bad signal in one area and good in another not much can be done at the device level to get better signal. You can try to use different bands and such but most times it wont help. Search for AWS on i337m to try, but I would guess it wont help.
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The only thing I've been able to do about little to no signal is buy a repeater. I bought a zboost yx540 (I think that's the one I have lol) and went from 0-1 bar of EDGE to 2-5 bars of 4G. I've also done signal tweaks with the app android tweaker pro and it seems to have helped.
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Is that real if I flash another modem I will got a better signal
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Highly unlikely.
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So whats is the benefits to flash another modem
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xxjack3dxx said:
So whats is the benefits to flash another modem
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Sometimes signal stability or battery life... usually nothing.
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Ok thank you everybody for your answer
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3G and Talk

Hello,
Just wondering if there is anyway to get 3G and voice at the same time? I know this is do able over 4G but just wondering if it's available over 3G like the GS3 can. Thanks!
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Short answer. No.
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On the Sprint GS4, no only on WiFi or LTE.
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Buy an Evo 4G LTE on Ebay and activate it. For some reason Samsung didn't include SVDO in the S4.
cruise350 said:
Buy an Evo 4G LTE on Ebay and activate it. For some reason Samsung didn't include SVDO in the S4.
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Lol. I have an EVO LTE and a Galaxy S3. No need to go back to those. NV is going on where I live so I'm not to worried. Was just wondering if it was something the devs here could change.
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TKS3 said:
Lol. I have an EVO LTE and a Galaxy S3. No need to go back to those. NV is going on where I live so I'm not to worried. Was just wondering if it was something the devs here could change.
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Its not possible to change it since its a physical thing on the phone. Not software.
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Okay. I never knew it was a physical thing within the phone. That's good to know though. Seems like Samsung or Sprint would have included this.
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TKS3 said:
Okay. I never knew it was a physical thing within the phone. That's good to know though. Seems like Samsung or Sprint would have included this.
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Other carriers do, not Sprint. Probably because their network is so terrible.
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Need help can you can you. Flash tmo rom on 9505?

Would like to try and get. Tmo rom so ican get wifi calling and lte speeds if ican. Thank you in advance .
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Vince211 said:
Would like to try and get. Tmo rom so ican get wifi calling and lte speeds if ican. Thank you in advance .
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1. LTE is already activated and working, on the GT-I9505.
2. Maybe LTE isn't available in your Country/Area.
3. Wifi calling is already supported.
4. What is the current Rom you are using now?
My current Rob is echo vs full the phone was bought in Australia but I live in the us
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Sorry for misspelling but I'm driving I live in LA echo rom v7
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All I get is h+ were late is supposed to be
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anybody out there able to help please just would like to know if I can use TMO rom on a 9505 live in LA and was bought in Australia flashed echo rom V7 flashed MJ5 and still only ever H+ on signal str and always have 4g lte on my note 2 please if someone could help or tell me if there is a Code I can use to turn LTE on

New update for flashing to SG5 rom

Haven't tried this. Found it on Internet. Read from website for instructions. .. http://rom-manager.blogspot.com/2014/03/download-install-galaxy-s5-rom-for-galaxy-s4.html?m=1
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pacoz said:
Haven't tried this. Found it on Internet. Read from website for instructions. .. http://rom-manager.blogspot.com/2014/03/download-install-galaxy-s5-rom-for-galaxy-s4.html?m=1
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Try it and let us know if you get it to work.
Downloading now will let you know.
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Yep tried it . Pretty good must say but I had no mobile data . Maybe cause my phone is a sprint phone. Lol.. Nah but it was fun playing with it . But I believe that version is for the international s4.
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endwhysee.bk said:
Yep tried it . Pretty good must say but I had no mobile data . Maybe cause my phone is a sprint phone. Lol.. Nah but it was fun playing with it . But I believe that version is for the international s4.
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Nice to know it boots up. You could have backed up and restored APNs to get data to work.
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daniel4653 said:
Nice to know it boots up. You could have backed up and restored APNs to get data to work.
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Will try that tomorrow and give feedback.
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I tried this with a Sammy Deluxe ROM and had little luck because the dev didn't implement an APN menu...
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TheDylantula said:
I tried this with a Sammy Deluxe ROM and had little luck because the dev didn't implement an APN menu...
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Yea that's what I'm facing... I've even flashed back to 4.3 and used APN backup and restore but APN doesn't work with 4.4...
I just nandroid restored, but I only get 3g, no 4g. Not sure how my APNs are still screwed up despite a restore...
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Are there any ideas on how to get back stock data settings? Really missing my 4g...
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TheDylantula said:
Are there any ideas on how to get back stock data settings? Really missing my 4g...
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see if *22899 helps
AOSP dialer is screwy so I just flashed a Sprint TouchWiz ROM and that fixed it, even back on CyanMod
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TheDylantula said:
AOSP dialer is screwy so I just flashed a Sprint TouchWiz ROM and that fixed it, even back on CyanMod
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did you flash the touchwiz rom on top of the s5 rom?

bought a s4

Just got another S4but this one came with NAE, is there anyway to do the Domestic Unlock while like this?
Videos, Links,tip,tricks etc greatly helpful and if it work you have a PayPal Donation coming
Holy moly, you can use the very same domestic unlock process by miller. If you searched you would have gotten your answer without having to make this thread.
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daniel4653 said:
Holy moly, you can use the very same domestic unlock process by miller. If you searched you would have gotten your answer without having to make this thread.
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I think he owes you a Pay-Pal Donation...
And it wont completely work.
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Sanadrate said:
And it wont completely work.
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what didn't work? if you say LTE or MMS on another network that's because 1)LTE won't work on any other network because of different baseband. 2) you need to set the correct APNs.
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Wont read ttmo sim
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Then you must have not followed all of the proper steps. It does in fact work.
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Confirmed NAE S4 domestic working on T-mobile and AT&T.
you need to interantional unlock first
a quick google search on sprint s4 sim unlock would get you all you need.
laofan said:
Confirmed NAE S4 domestic working on T-mobile and AT&T.
you need to interantional unlock first
a quick google search on sprint s4 sim unlock would get you all you need.
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the domestic unlock thread requires the user to complete the international unlock first.
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Did that
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Sanadrate said:
Did that
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Did you revert to MDL modem?
Could you make sure the s4 is reading sim correctly( when plug T-mobile sim, it should say unsupport sim or something).
Here is a procedure I follows.

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