yashsingh1/xdaforums huggingface dataset:
[Sony Cross-Device General] ArtDC:
Gentlemen, please... fffft was sincerely trying to help, and was shearing a lot of time and knowledge in doing so. I think he was just expecting people to invest more of their time and efforts in finding the solutions to their problems. Of course, there were some idiots asking questions the answers to which they could find in the manual of their phones, if they only bothered to take a look at it. That's normal. Everyone has a right to be an idiot. Some people abuse the privilege, but that's a different story. Let's get back to the topic of the forum.
[Sony Cross-Device General] ShiAili:
An update on my efforts to add B28 to my Xperia Z2:

No luck so far. I've been able to get B28 to display in the config menu, but I haven't noticed any improved reception over B3. I'm on FarEasTone in Taiwan, which has LTE on B3 and B28.

B28 does not work alone, and if I enable stock plus B28 minus B3, I have no LTE. Unfortunately, I have no B28 compatible devices, so I have no way of doing a comparison.

I had hoped (speculation, I'm an amateur radio operator, not a dev or chip designer) that my device could be tricked into using B28 since it supports 13 and 17 out of the box - the antenna and transceiver should support that range - but no dice. I had also heard that the Z2a (1/2/3/5/7/8/28) and the Z2 were identical hardware-wise - but even if that's true, it doesn't seem to extend to their LTE radios.

I have also been able to add B12 and B14 for when I go back to the US - but there are no networks in Taiwan that use these bands, so I cannot test them.

Idiot Newbie Question: Could I flash modem/radio firmware from a Z2a onto my Z2? Is there any precedent for that kind of thing? Does anyone know how modems and radios decide which badns to connect to, beyond the values for NV6828/6829?
[Sony Cross-Device General] BlackSoulxxx:
Z2a is based on hardware design of ZL2. Technically Z2 and Z2a/ZL2 is same as hardware but we dont know if it using different Gobi MDM9xxx chip...

Try to flash Z2a or ZL2 baseband and see.....

So far I know that Z2 is unofficial support band 19,21 in SO-03F variant
[Sony Cross-Device General] Swisa:
I have htc one m8 verizon and i want to open 1800Mhz band (lte) , this guide work on my phone?

Someone can tell me what to do? Thanks
[Sony Cross-Device General] olokos:
What he said
[Sony Cross-Device General] Iverom:
Nubia Z7 mini

Hi,

I have ZTE Nubia Z7 mini. Will this guide work for LTE 800Mhz unlock?
[Sony Cross-Device General] AlexBrain(AD7):
Hello, very bad what first and third post deleted :(

If i add WCDMA 7 - Europe 2600,menu HTCDiagnostic not have Europe :(
[Sony Cross-Device General] BobbySteel:
Give it a try - directions here: http://xdaforums.com/showpost.php?p=55673438&postcount=475
[Sony Cross-Device General] Swisa:
Very thanks!

But what i start first? Can you orgenize me?

I have arhd 8.1 i need to change rom?

Thank you.

Edit: the code ##3424# dont work...
[Sony Cross-Device General] BobbySteel:
put the phone in CDMA mode before you enter the code.
[Sony Cross-Device General] Swisa:
How i do this?

i think i put cdma mode but also the code dont work.
[Sony Cross-Device General] AlexBrain(AD7):
If i unlocked all bands, sim card not working :eek:

NV_RF_BC_CONFIG_I: 2307813334319057799

HTC ONE M8 Sprint
[Sony Cross-Device General] BlackSoulxxx:
So far I know on CDMA/GSM devices, it will break GSM if you edit 441, 946, 2954 (Tested on crap Verizon phone) (On the other hand, I was able to active CDMA LTE Rev.A/B and many CDMA stuff). 1877 and 6828 will not harm it but IDK if it work.....
[Sony Cross-Device General] AlexBrain(AD7):
what values i need set for 6828 and 6829 ?
[Sony Cross-Device General] kroukes2000:
I think it's impossible with verizon LG G3 VS985, can't activate diag mode, any tips???

thx
[Sony Cross-Device General] sshark:
I can partially confirm this ...changing 1877/441/946 breaks GSM and WCDMA. But I haven't been able to activate LTE so don't know about that. This is on Verizon branded LG G2 running on ATT network.

Assuming LG G2 and G3 have same connection type when connecting to laptop... Changing connection mode from "Installer/Media" to "Modem" or "Ethernet" puts phone into diagnostic mode.

It seems that at least for G2, necessary commands for diagnostic mode are not baked into OS...so when putting phone into MODEM OR ETHERNET activates RNDIS !(?) ...my conclusion.

Let me know if this works.
[Sony Cross-Device General] JustLiveIt:
LTE (sort of) working in US on LG G3 D855 on AT&T

I have a LG G3 D855 on AT&T and have been working through activating LTE in this thread: http://xdaforums.com/galaxy-s5/general/how-to-add-rf-lte-frequency-bands-to-t2886059. But now that thread is closed so I will complete my work here.

Summary: I have LTE working on AT&T on Band 4 in Los Angeles, California. However, when i run a speed test i have an odd result. I get 8Mbs download speeds but only like 0.33 Mbs upload speeds. For Band 4, i believe the down load happens on 2110 – 2155MHz while the upload is on 1710 – 1755MHz. Out of the box my phone says it works on 2100 but not 1700.

Can someone with a LG G3 D855 please post their original values for the following NV items? i want to start over from scratch.

NV #441 : XXXXX

NV #946: XXXXX

NV #2954: XXXXX

NV #1877: XXXXX

LTE #06828: XXXXX

LTE #06829: XXXXX
[Sony Cross-Device General] ShiAili:
I tried flashing various permutations of the basebands using flashtool - but the baseband version in the "about" section of the settings never changed. I tried various NV values, but everything was the same as before. I didn't see any errors when flashing the baseband, but I'm wondering if I didn't do something wrong? Unchecked the "Wipe" boxes and checked the "Exclude" boxes - except for the baseband.

What am I do wrong? Is the Z2 baseband just not going to cooperate with this hack?
[Sony Cross-Device General] Product F(RED):
Any phone that is the Verizon Galaxy S4 or later is an XLTE device on Verizon which means it supports Band 4 LTE. Verizon itself is starting to use Band 4 for LTE.
[Sony Cross-Device General] kroukes2000:
I used all of these and it doesn't work but diag mode must be activated from hiddenmenu, and verizon removed this hiddenmenu and can't access with ## 3424 #, I copied the at&t hiddenmenu to system/app and used shortcut master To run it but no succes

Any idea ?
[Sony Cross-Device General] sshark:
There is a Verizon hiddenmenu apk in LG G2 Z general forum. But that apk doesn't have ability to start diagnostic mode....at least on G2.

One more try, Did you follow instructions to create port in QPST after activating diagnostic mode?
[Sony Cross-Device General] kroukes2000:
Yes I do it but I get an error when I click read phone due to diag mode
[Sony Cross-Device General] Swisa:
The code ##3424# dont work on my htc one m8 verizon (arhd 8.1), how i can go to cdma mode?

thanks.
[Sony Cross-Device General] BlackSoulxxx:
If you mean to switch CDMA to GSM/etc....Try to *#*#4636#*#*, if they are blocked use 4636 tool on Play Store (there are plenty of them, find the app with radioactive icon, that will work with Verizon phone but plenty of ads)
[Sony Cross-Device General] kroukes2000:
HAHAHAAAAAAAA It work with LG G3 verizon VS985, I have 4G in France I used blacksoulxxx for Z2
[Sony Cross-Device General] Swisa:
4636 code is work, but i dont have diag mode or nothing.

Very thanks blacksoul!
[Sony Cross-Device General] sshark:
Can you summarize steps for me. I can get into diagnostic mode but can't change call me for 6828 and 6829.

I have Verizon LG G2 on ATT.

Please also share what values you used...
[Sony Cross-Device General] kroukes2000:
No need for diag mode, use serial driver COM, then use blackSoulxxx steps.

but I have some problems now, when I'm in an elevator for example and the phone lost signal, it doesn't search signal after that, must search manually any idea please

And this happen every time I lost signal
[Sony Cross-Device General] BlackSoulxxx:
Before you did this, any problems with signal? That's weird because my mod has side effect: boost signal. People on OPO and S5 and confirm this, they cant unlock band due to hardware restriction but it boost signal...
[Sony Cross-Device General] kroukes2000:
I think it's due to Verizon restrictions, must find someone with stock g3 nv to look at this a little closer, or maybe due to cdma that not used in Europe, and tv rf, I don't know, if someone can give me hex to block cdma to test
[Sony Cross-Device General] BobbySteel:
In phone info, are you set to just gsm/wcdma/lte mode?
[Sony Cross-Device General] kroukes2000:
Yes of course, the problem is when phone need to change antenna, after that phone ask to set global mode or no
[Sony Cross-Device General] sshark:
I was exactly going to point to same thing...can you set it to global?

Even in US, I lose signal on ATT but it searches and automatically latches on the network again.

I am using VZW LG G2 ON ATT.
[Sony Cross-Device General] kroukes2000:
No connexion in global mode nothing :( :confused:
[Sony Cross-Device General] JustLiveIt:
[MENTION=5733862]BlackSoulxxx[/MENTION] or [MENTION=5353566]fffft[/MENTION],

Do either of you know how to get the stock NV values for an LG G3 D855? I want to set my LG G3 D855 back to stock but failed to make a NV backup before i started making changes. Not smart i know. I tried flashing stock ROM but the NV values remain unchanged.

Are the NV values contained in any system dump files? There is a system dump for my phone available on XDA that i have downloaded.
[Sony Cross-Device General] marocampos:
Try to flash your baseband again
[Sony Cross-Device General] kroukes2000:
On my LG g3 Verizon when I set lte on, it can not Connect to another gsm antenna if it lost the first one signal, any idea? Any stock nv also for europe variant?

---------- Post added at 05:04 PM ---------- Previous post was at 05:02 PM ----------

Try .tot file it work for me but am on Verizon
[Sony Cross-Device General] xxxrichievxxx:
[MENTION=5733862]BlackSoulxxx[/MENTION] The only one question I have is, was the Docomo SH-04F rooted? I see that unlocking the LTE bands was successful but how?

Since the only way to unlock all bands is to have root, does that mean someone was able to root the phone? I'm only able to get HSPA with on and off HSPDA, so if I'm able to LTE I'd be one happy clam :laugh:

Currently using this phone on AT&T :)
[Sony Cross-Device General] botwa2000:
Hi folks, I'm trying to unlock band B20 @ 800MHz on my S5 LTE-A SM-G906K.

I could follow all the steps through and write the additional bands values in NV 06828 & 06829.

The good thing is that the values stick after reboot. The bad thing is that I still got no LTE.

Someone suggested there might be another configuration file possibly in efs partition that needs to be edited.

Anyone knows where next I should look?
[Sony Cross-Device General] botwa2000:
Hi do you know if a credible source of information exists that will list the antennas packed in a particular Sammy device? My early testing confirms your view - I was able to edit the LTE NV values and make them stick in my SM-G906K but I still lack actual lte reception by the device even knowing the band I 'unlocked' is supported by my carrier.

Sent from SM-G906K using XDA Premium app
[Sony Cross-Device General] kroukes2000:
Si tu Verizon LG G3 hidden menu I'm was able to enable lte 3/7 (1800/2600mhz) but not lte 20(800mhz) for that #6828 nv value must be 4174
[Sony Cross-Device General] sshark:
Do you mind uploading LG G3's Hidden Menu.apk ?

I hav tried your method from PM for LG G2 but I don't have that option available !
[Sony Cross-Device General] kroukes2000:
oh sorry

It's deodexed
[Sony Cross-Device General] sshark:
[MENTION=975722]kroukes2000[/MENTION] Here is option in LG G2 HiddenMenu for changing LTE band.

But just like NV edits, changing LTE band from this menu doesn't stick. I am suspecting that since I am on stock ROM, I may have some restrictions imposed by Verizon.
[Sony Cross-Device General] kroukes2000:
It seem that it's not the same
[Sony Cross-Device General] kroukes2000:
Try to choose all bands

---------- Post added at 10:34 PM ---------- Previous post was at 10:19 PM ----------

Which nv value have you for #1877 and #2954
[Sony Cross-Device General] BobbySteel:
Has anyone gotten this app working on a m8?
[Sony Cross-Device General] sshark:
Stock value for 6828 is 4104 which can be accessed and overwritten but changes do not stick after boot.

---------- Post added at 04:07 PM ---------- Previous post was at 03:53 PM ----------

Can you pl upload your HiddenMenu.apk?
[Sony Cross-Device General] kroukes2000:
6828 for me with activating lte bands 3/4/7/13 is 4172

And hiddenmenu uploaded is mine now
[Sony Cross-Device General] Dubster93:
Anyone tried this? I tried but i stuck in the 3rd step (*#*#8778#*#*) and nothing happen. How can i open the Diag Mode (Diagnostic Mode) ?

I have a Lenovo Vibe Z (K910) This guide works for unlock the LTE ? (Because have other version, K910L)
[Sony Cross-Device General] sshark:
I can't find attachment...which post you are referring to?
[Sony Cross-Device General] kroukes2000:
Here is
[Sony Cross-Device General] botwa2000:
Hi there,

I was wondering if you actually managed to unlock any extra lte frequencies on a Sammy device and can give an advice.

I outlined the steps I tried here

http://xdaforums.com/showthread.php?p=56092221

As you will have seen I haven't been successful although my NV edits stuck.

Any advice you might have is much appreciated, either through PM or in the thread.

Cheers
[Sony Cross-Device General] JustLiveIt:
My progress with LG G3 D855 in USA so far:

NV edits stick and LTE works on Band 2 and 4 but not on Band 17 in Torrance, California like stock AT&T LG G3 D850 models do.

Examining the AT&T model, it is clear the antennas are different. The G3 has 3 exposed antennas at the top of the device. 2 of my antennas on my D855 differ from the D850 model. There may be other antennas on the bottom of the device too but I have not checked that yet. If they are there they are covered.

The AT&T baseband is also different. The hidden menu has options for LTE-A.

So I think it is possible to make a D855 work like a D850 in the US if you change the antennas and possibly the baseband. I am not convinced a baseband change is necessary. However I am convinced the antennas must be changed. I experienced the ability to download on Band 4 but not upload, etc.

More to come.

Please post stock NV values for the D855 model as well as the D850 if you know them. I need to know values for 441, 946, 1877, 2954, 6828
[Sony Cross-Device General] Product F(RED):
Band 4 = 2100 MHz download and 1700 MHz upload. So your model doesn't do 1700 MHz, but it does 2100 MHz.
[Sony Cross-Device General] JustLiveIt:
Agree. Not sure if 1700 MHz is a SW limitation or a hardware one. Antennas maybe?
[Sony Cross-Device General] kroukes2000:
Change #6828 NV to "4172" and don't touch others

and if someone can give me stock nv for Verizon G3 vs985 #1877? I forgot to backup
[Sony Cross-Device General] JustLiveIt:
Great information! I am learning so much!

If the limitation is firmware related such as calibration information, etc., Is there a portion of an OTA or ROM package that can write this type of information? Or are the NV values strictly only written by Qualcomm software being connected to the device?

For example, can I examine ROMs or other SW update packages for a model that can work on the bands I am interested in to locate this missing information?

---------- Post added at 02:04 PM ---------- Previous post was at 02:02 PM ----------

Thanks. I will try this!
[Sony Cross-Device General] kroukes2000:
Or try this also because with my lg g3 verison it wont get connected on lte and this worked for me

http://xdaforums.com/showpost.php?p=55331643&postcount=33
[Sony Cross-Device General] sshark:
Looks like a good solution for band switching issue that I have when using Verizon branded LG G2 on ATT.

Did you come across any issues or is this pretty straightforward to complete? I am little wary since one of the step requires flashing.
[Sony Cross-Device General] kroukes2000:
No need to flash, flash is for HTC to activate diag mode

I have a question, gsm network auto search doesn't work any more, when phone lost signal, it won't connect after must reboot or make new search any idea?
[Sony Cross-Device General] bender19911:
C6603

Can somebody help me please?

I've tried to unlock C6603 Xperia Z, but I stucked on the 16-th step. HTC modem is installed, but my PC doesn't open the COM-port. So, I can't go ahead. Can you advise please?
[Sony Cross-Device General] olokos:
Install the driver manually via device manager then.
[Sony Cross-Device General] bender19911:
I've installed the driver for MI_04. HTC Modem installed, but there is no COM-Port.
[Sony Cross-Device General] olokos:
Try for some other MI_** device then, it's one of them, but we can't tell you which one is it for sure. If it's a wrong mi device then uninstall the driver from that device.
[Sony Cross-Device General] bender19911:
Driver for MI_04 doesn't work with others... Should I change something inside the driver-files?
[Sony Cross-Device General] olokos:
There's an option that forces to install the driver for that device anyway somewhere.
[Sony Cross-Device General] bender19911:
It tells me, that the driver doesn't support for this devices. It doesn't ask me to install driver anyway.
[Sony Cross-Device General] olokos:
It's not I'm the same window. It was there when you choose device category etc. You can just pick other other and choose your own device. You can even install GPU driver to your keyboard this way.
[Sony Cross-Device General] bender19911:
Ok, I've installed the driver on MI_04, In HTC Modem I've put COM9 port number.

But in QPST Conf. I try to put my port, and it tells me Error Enabling Port:

There was an error enabling COM9. The port may not be working properly or may be busy. (-2147467259 [0x80004005] - 0)
[Sony Cross-Device General] olokos:
Take a while to read this thread or maybe use the search button in the thread. I guess that someone else had this problem before or you may be doing something wrong.
[Sony Cross-Device General] frosty400:
SM-N9005

I'd be grateful if someone could help me with my band unlocking issues, or at least confirm if it's possible to get the SM-N9005 into diagnostic mode. If so, I don't know what I'm doing wrong. To me, it seems like diagnostic mode has been disabled on my device. Is there a way to manually enter diagnostic mode by using a different method than the dial code? Is there a particular diagnostic driver that I need to install? Do I need the android developers kit? I don't really know and I've googled it and searched the XDA threads a hundred times, but can't make any progress. Any help would be greatly appreciated. More details in this post from my thread:

http://xdaforums.com/showpost.php?p=56361143&postcount=10
[Sony Cross-Device General] botwa2000:
Hi,

Here's how I managed to connect my Sammy http://xdaforums.com/showthread.php?p=56092221

In essence, I did go via dial *#0808# and didn't select the CP mode but worked with AP.

For Samsung you don't need any other drivers in order to connect but original standard Sammy ones that you can download via Kies.
[Sony Cross-Device General] bender19911:
Ok, go ahead this problem... Now I have problem like this:

http://xdaforums.com/showpost.php?p=55332335&postcount=33

And I didn't find how to solve the problem.
[Sony Cross-Device General] frosty400:
So I selected the only option in the add port section that appears to be my phone. I had to uncheck the box that says 'Show Serial and USB/QC Diagnostic ports only' to get at it, though, so I'm not even sure if this is the proper port. It's COM7, the same port that it shows in device manager for my phone.

I read from the phone and it asked for the service programming code. I left it at default 0s, and it appeared to load some info but it shows 0s for everything like MEID. I think it's supposed to show all my phone's actual info there, but perhaps I need a different SPC to load up the phone properly? Any way I can get the real SPC, assuming there is one?

Also, when I try to load QXDM, it says 'Error initializing DIAG server'. Can't get past this, but perhaps it's because of the default SPC being wrong? I tried running as admin, etc, but nothing. Thanks for any help.
[Sony Cross-Device General] BobbySteel:
Regspy or others, do you have the original values for 1877, 946, 2954, 441? I'm back in the US now and CDMA is totally killed. I want to roll back and new radio.img doesn't seem to restore those values.. Thanks.
[Sony Cross-Device General] BobbySteel:
For those curious, I got a second device today. The original values are

441 - 0xFFF

946 - 0xBFFF

1877 - 562950035735431

2954 - 4294967295
[Sony Cross-Device General] JustLiveIt:
6

What device did these values come from?

Do you have NV 6828 from that stock device?
[Sony Cross-Device General] BobbySteel:
6828 is always 4104 for Verizon devices it seems
[Sony Cross-Device General] sshark:
I can confirm this. It shows 4104 on my LG G2.
[Sony Cross-Device General] BobbySteel:
Experimenting now, I added the Euro LTE bands and used 528456 as my new LTE value. This seems to preserve Verizon LTE. Using other values kills Verizon LTE for me (and presumably other LTE bands too?).

Net-net, it seems you should be conservative and only add values you need. I'm guessing adding other bands causes some sort of conflict w/ the LTE radio causing it to fail.

But all said, it's super easy to change and test this on a fresh phone, even unrooted.
[Sony Cross-Device General] yoda1998:
wrong thread
[Sony Cross-Device General] BobbySteel:
I'm still really baffled by the value for 1877. On the M8 anyways, the other values are all pretty much every box ticked. But the value fo 1877 is far lower than the mztool would give for having each of the other boxes ticked. I can work backwards to kind of guess what the values are for 1877 but it's just really unintuitive. Does anyone understand this any better to explain?
[Sony Cross-Device General] wind0zer:
Followed OP and instructions from the post #142

Phone: Z3 compact D5803

Testing works. Thank you for your hard work!
[Sony Cross-Device General] BlackSoulxxx:
So what thing do you want on your Z3?
[Sony Cross-Device General] wind0zer:
Working on Z3C D5803. Thanks a ton for the knowledge.

Before *#*#4636#*#* > Phone information > Menu - Select radio band, I had only USA Band. Now it's Euro, USA, JPN, AUS & AUS2. : )
[Sony Cross-Device General] BlackSoulxxx:
Great!:good::good::good::good::good:

I have Z3 too but I'm afraid to UB it because I can't find a trusty way to backup/restore TA and root without UB....
[Sony Cross-Device General] wind0zer:
But unlocking basband doesn't need root, no?

I too thought long and hard about waiting for root exploit to backup TA. Then I gave into the temptation few hours ago.

I backed up TA for my Z1C, which I restored and flashed ftf before selling. That was useful.
[Sony Cross-Device General] BlackSoulxxx:
The only part that require root is the adb command to bring the phone to diag mode......
[Sony Cross-Device General] dl12345:
qcndiff utility

I created a small utility to show a diff between two .txt format files produced by Qualcomm's QPST software. The intended use of this utility is to analyze dumps from closely related (variant) models of phone to help in determining which nvitems are different and may be responsible for altering the radio frequency bands.

See here: http://xdaforums.com/galaxy-s5/general/utility-qcndiff-analyze-differences-t2933746
[Sony Cross-Device General] ismithx:
No luck with the Xperia M2 D2303.... but thanks anyway
[Sony Cross-Device General] Tech_Savvy:
would this work to unlock a us cellular moto x to at&t