Hello
I have a i9505 s4 mobile. When I change modem I always use modems from a tread here in XDA developers and flash them with odin.
But I am wondering about the difference between GSM and LTE modem.
If I flash the LTE modem, does only the 4G/3G LTE modem gets updated and not the GSM?
And if I flash only GSM does the same happens visa versa?
Should I update both modems?
I always switch between GSM and 3G when im in different areas to make my mobile last longer...
Related
Hi, guys.
I have ls980 on stock ZVA, rooted and GSM unlocked. 3g works fine, but there is no LTE. I live in Russia, and our LTE bands are 7,20,38.
So, is there any way to enable other LTE bands than Sprint's 25,26,41? To flash proper radio or baseband may be?
Thanks!
the same question. Any solve?
No I don't believe you can just flash different modem and enable bands because the phone has different models... Chances are it is a difference in hw and flashing an incompatible modem may cause a brick
Hi,
I just purchased a Galaxy s5 sm-g9006v. This is the chinese unicon Samsung galaxy s5. It's unlocked.
I have a t-mobile sim. The phone works fine but the only problem is that it's only running 2g speeds! and i've been reading and i think it's a problem with the bands the phone is working on.
I've also been reading about changing the firm-ware modem but I need a little help.
My question :
Can I change the bands that my phone is using to t-mobile compatible bands to run hspa+ or lte or 4g ?
If so, is it as simple as flashing flashing t-mobile firmware from sammobile (sm-g900t) to my phone via odin?
And if I can fix it without having to flash the whole original firmware by just flashing the modem (which is 5mb), where can i get the modem for that firmware and how do I flash it alone ?
Thank you
N9005 flash the N9005XXUFNF2 modem ,then cann't use 4G (LTE),even selcect the "LTE Only model" and seach the LTE networks.
Dear all
I encountered a big issue，
My N9005 is Hongkong version.
when i flash the newest modem version N9005XXUFNF2,
then I can not use 4G LTE ,but i used it before.
Even I flash back the N9005ZHUENF1,the issue is the same.
Other two guys also encountered the same issue,
it is the commom issue.
It seems like the "N9005XXUFNF2_Modem" has the 4G Lock,that make the LTE fuction disable.
I cann't selcect the "LTE only" model,
In the seivicemode ,
I cann't selcect any LTE Band,all disabled .
In Mobile networks setting ,if i select the "LTE/WCDMA/GSM" as network mode.
and use manual search networks,only can seach 3G and 2G networks,no LTE networks.
I try a lots of way to solve that, but no works.
So I want get help from you.
Thanks
I think I have the same problem. Before flashing the exact same modem I had 4G in my house. After I have NOTHING. Only 3G.
I have tried flashing other modems, but some of them gives me unknown baseband and unknown imei.
But when I go downtown I can get 4G again, but not in my house.
Have you tried seeing if you can get 4g coverage anywhere at all?
/CK
I tried lots of times,
try different sim card,different place,
because in my home,other phones have 4G signal,
but n9005 even cannot search the 4G networks!
AFAIK, you can't flash a Un-China ROM if you are using China device. (Same thing in Un-China devices, we can't flash China firmware stuff it will probably end up with hardbrick or IMEI lost). Hong Kong ROMs are different from others.
no,I didnot flash note3 Chinese ROM,
the Chinese note3 versions are different from others.
I just flash the European version .
Because i flashed European baseband of n9005 ,than encountered this issue.
pls,help me!
nforce4 said:
pls,help me!
Click to expand...
Click to collapse
pls，help
Hi there,
Im not sure if this was discussed about this particular situation.
I recently switched from Wind mobile to Fido which offers LTE connection. Unfortunately Wind disabled Lte network mode And the only mode I can connect to is 3g.
I have rooted the phone and tried various methods on how to enable LTE
including guide on xda how to enable all bands.
The only thing i have not tried is flashing new modem firmware.
Here is my question:
1. Would flashing new modem firmware enable lte network mode?
if so which modem firmware should i use and is there a guide?
2. Would upgrading to new rom solve the issue?
Please help me, thank you for any suggestions.
Senya
Anyone?
U can use videotron or Unknow Firmewire on Sammobile u will get LTE enable already
I own a i9505 International LTE model. My carrier has soon went for TDD LTE in Romania which is a first here. As everybody knows this far the i9505 only supports FDD LTE.
There seems to be two S4 models i9507 and I9507V that both support TDD LTE bands and are available in HK and Australia.
Tried flashing the LTE modem from those models but my bootloader refuses the file and i get an error in ODIN.
I used QXDM and modified the phone. DFS CDMA tool uppon scan now shows my phone accepts the stock LTE bands + Band38 but when
the phone attempts to connect to the Band38 it goes with no signal no network then falls back into 3G.
I believe i enabled the permision to connect to Band38 but because the modem has no instructions of it , it still can't communicate on Band38
There have been reports of i9507+-V users that flashed i9505 roms and theyre modem got overwriten resulting in no more DATA connection for them. It's clear FDD modem on a TDD network will not work.
Is there any chance of forcing the LTE modem from i9507V onto the i9505 phone ? Would Heimdall overpass the bootloader's check ?
The i9505 latest bootloader and modem is OH2 , on I9507V there is OH3
Also what is the worst case scenario ? I would imagine FDD network loss and/or wifi. Is that impossible to recover from or flashing the correct modem over would fix it ?
Anyone encoutered flashing the wrong modem file and recovered from it ?
I don't care if i loose FDD networks since my carrier only has TDD on 4G.
Also. Would it be possible to combine the i9505 5.0.1 sources against i9507V 5.0.1 sources and come up with a combined/hybrid modem ?
You are from Romania?
Yes.
I read that it can be activated with QXDM on lg g2 and sam. s5. Did you tried it?
I used QXDM and added band38 , when LTE is enabled in network type it works 5%. It tries to connect to the 4g signal then drops dead with no network no signal and goes back to 3g.
QXDM only adds permision to connect to certain bands , the i9505 modem does not have the instructions on how to communicate with a TDD network (band38 is TDD not FDD)
Nobody owning a G2 , G3 or S5 managed to add a functional TDD band. You can add more FDD bands thats for sure but not TDD without a proper modem.
That's why i'm curious about binding the i9507V modem with I9505 somehow so it gives it the instructions on how you can communicate on TDD networks.
That is sad. Because to the and of this year rcs will introduce lte in my city as well.