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Lost 3g and 4g

Since I flashed the new gingerbread I lost my 3g and 4g, I only have edge. I replaced my Sim card thinking that would be the reason.
Anyone else have this problem and is there a way to fix it?
Sent from my SGH-T959V using XDA App

cybok0 said:
Since I flashed the new gingerbread I lost my 3g and 4g, I only have edge. I replaced my Sim card thinking that would be the reason.
Anyone else have this problem and is there a way to fix it?
Sent from my SGH-T959V using XDA App
Click to expand...
Click to collapse
Have you tried flashing a different modem file yet?

I flashed the kb5 but going to have to wait till I get to town to try it out, no service where I live only wifi.
Sent from my SGH-T959V using XDA App

cybok0 said:
I flashed the kb5 but going to have to wait till I get to town to try it out, no service where I live only wifi.
Sent from my SGH-T959V using XDA App
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http://forum.xda-developers.com/showthread.php?t=1192436
Grab the all_modems_cwm.7z file and use 7zip to extract all the modems onto your SD card, that way you can swap them out to see which one works best for you.
You can also go into settings > Wireless and network > Mobile networks > Network mode.
Make sure you are on GSM/WCDMA (auto mode), if not try WCDMA only mode, which is 4G.

FBis251 said:
http://forum.xda-developers.com/showthread.php?t=1192436
Grab the all_modems_cwm.7z file and use 7zip to extract all the modems onto your SD card, that way you can swap them out to see which one works best for you.
You can also go into settings > Wireless and network > Mobile networks > Network mode.
Make sure you are on GSM/WCDMA (auto mode), if not try WCDMA only mode, which is 4G.
Click to expand...
Click to collapse
Thanks that worked, will I still get edge or 3g when I'm not on a 4g area with wcdma only?
never mind auto works. Thank you.
Sent from my SGH-T959V using XDA App

3g not work

hi
i have a problem in gprs (3g) in my phone
when i use stock rom 2.2.2 the 3g is work >
but when i use the eagelblood or syangonmod the 3g not work >>
all the sitting is correct and the access point is correct >>
please help me to fix 3g

igi2000 said:
hi
i have a problem in gprs (3g) in my phone
when i use stock rom 2.2.2 the 3g is work >
but when i use the eagelblood or syangonmod the 3g not work >>
all the sitting is correct and the access point is correct >>
please help me to fix 3g
Click to expand...
Click to collapse
How do you know it doesn't work? Does it say 2G in the status bar or does it say "H"?

buru898 said:
How do you know it doesn't work? Does it say 2G in the status bar or does it say "H"?
Click to expand...
Click to collapse
Or it doesn't say nothing, maybe an APN issue...

it does not say any think
when i put the same APN in stock rom is work and say 2g ..bu is work
but now it does not say any think >>>
thank you

igi2000 said:
it does not say any think
when i put the same APN in stock rom is work and say 2g ..bu is work
but now it does not say any think >>>
thank you
Click to expand...
Click to collapse
Have you tried fixing permissions?
Sent from my LG-P999 using xda premium

how can i fix it ??

enter to recovery , go to advance (i belive) select fix persmission and confirm

theres no any effect >>
i use fix prometion>>>
the same problem no connection
theres any person have syangonmod and use the gprs ?

Could have been a bad download, try redownloading and reflashing.

i have download more then one verson and try to format and dowload 7.1 or 7.2 nightly and the same problem
now i use the eaglblood (cyangonmod) and the same problem
but when i use stick rom 2.2.2 the 3g work normaly >>

Do you have an LG-P999 or the Tracphone G2x (which is actually a different model number). Look under the battery cover. If it's not P999, then these Roms won't work
Sent from my LG-P999 using xda premium

that p999 that under the battery
i were use the 2.2.2 (recovery ) at the moment then restor to cyangonmod
the 3d work in sticky rom but not in cyangonmod
the problem from the rom >>
cyangonmod and branches like eaglblood hilfire or mook
pleeeease help me with 3g (gprs)
and sooory for bad language

Seems like you don't really know what you're doing! Where are you using that phone(which country) and carrier? There is no problem with cyanogenmod... What's your baseband and ril? Download get ril from play store and install correct ril
Sent from my LG-P999 using xda app-developers app

Could people please test 5Ghz WiFi on Stock JB

Just realised that 5Ghz WiFi seems to be not working on the new JB Rom.
All stock, no hacks.
Sent from my GT-P6800 using xda app-developers app

Works for me. Stock Singapore rom.
Asus 5g connected. Asus 2.4 saved.
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pinsb said:
Just realised that 5Ghz WiFi seems to be not working on the new JB Rom.
All stock, no hacks.
Sent from my GT-P6800 using xda app-developers app
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Click to collapse
Some people have reported the same issue in the main JB released thread. Seems for a few people doing full wipes and re flashing has cured it, for others nothing has.

In that case could people post their experience in this thread so we can try to identify a fix.
I'm UK tab, all stock, from ICS all stock, no wipe no 5ghz...everything else fine.
Sent from my GT-P6800 using xda app-developers app

So did you actually try what nutley posted?
By doing so, you could answer part of your own question
Sent from my GT-I9500 using xda premium

UpInTheAir said:
So did you actually try what nutley posted?
By doing so, you could answer part of your own question
Sent from my GT-I9500 using xda premium
Click to expand...
Click to collapse
Difficult for me to do a full wipe at the moment, probably not before weekend.
Doesn't stop other people giving their observations.
Sent from my GT-P6800 using xda app-developers app

nutley said:
Some people have reported the same issue in the main JB released thread. Seems for a few people doing full wipes and re flashing has cured it, for others nothing has.
Click to expand...
Click to collapse
In my case the device stopped seeing 5ghz access points after flashing from stock ICS to stock JB signapore rom. Several full wipes and reflashing did not fix the problem.
Flashing the JB eRobot rom fixes the issue. Flashing back to stock JB, and the problem occurs again. I have found no solution yet.

Anyone else?
Sent from my GT-P6800 using xda app-developers app

Wipe and reflash achieved nothing unfortunately.
Sent from my GT-P6800 using xda app-developers app

pinsb said:
Wipe and reflash achieved nothing unfortunately.
Sent from my GT-P6800 using xda app-developers app
Click to expand...
Click to collapse
What did you wipe, and process?
Did you;
1. Flash stock JB
2. Format system
3. Factory reset
4. Wipe cache and dalvik
5. Re-flash JB
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UpInTheAir said:
What did you wipe, and process?
Did you;
1. Flash stock JB
2. Format system
3. Factory reset
4. Wipe cache and dalvik
5. Re-flash JB
Sent from my GT-I9500 using xda premium
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Click to collapse
That's exactly what I did. No 5Ghz.
UK tab, from stock ICS to stock JB.
Sent from my GT-P6800 using xda app-developers app

pinsb said:
That's exactly what I did. No 5Ghz.
UK tab, from stock ICS to stock JB.
Sent from my GT-P6800 using xda app-developers app
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Click to collapse
What about
6. Factory Reset after 1-5
7. Try another router
8. Ensure router uses/transmit 5 GHz only (disable 2.4 GHz)
9. Temp disable router security and test
10. Save/backup and upgrade router firmware
Sent from my GT-I9500 using xda premium

UpInTheAir said:
What about
6. Factory Reset after 1-5
7. Try another router
8. Ensure router uses/transmit 5 GHz only (disable 2.4 GHz)
9. Temp disable router security and test
10. Save/backup and upgrade router firmware
Sent from my GT-I9500 using xda premium
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Click to collapse
Already tried multiple reset variants and two different manufacturers routers that I know are both working on 5ghz as my SGS2's see them quite happily.
The simple fact is 5ghz is not working using stock JB on my UK tab, even after resets, wipes and pretty much all variants thereof. My guess is that there's a subtle difference between the UK hardware and Singapore variant hardware, could be due to emmision limits and set during manufacture as a hardware jumper or firmware mod (firmware for specific component). 5ghz worked fine on ICS so it's definitely a change issue.
Sent from my GT-P6800 using xda app-developers app

We know that. We also know it's not SGS2, so don't compare apples and oranges.....
We also know it's more than likely a firmware issue....
Edit: but could be a firmware/router combination issue too (otherwise nobody with P6800 JB 4.1.2 would have it working)....
Did you try the rest of the recommendations 8, 9, 10?
Why not, and report back for the benefit of others?
That would be constructive
Sent from my GT-I9500 using xda premium

Had two 7.7s. After upgrade to jb of both only one had working 5GHz. No amount of wiping helped on the other. Had to restore a nandroid from the working one onto the nonworking one. Successful, with 5GHz reception on both devices. While the root cause remains unknown it is clearly a software issue.
Sent from my SCH-I535 using Tapatalk 2

Issues as usual
So we wanted to keep up to date, this is what happens for trying, I flashed my 7.7 (p6800) with firmware P6800DXMD3 vietnam, I never considered 5GHZ networks would stop working on jellybean. I doubt there is a simple fix anyone? I'll just live with 2.4ghz because 5ghz seems to operate similarly when I've tested it.
I did find another posting from mobility.forumsee about the note.
Samsung - Galaxy Note Wifi 5GHz Issue fix for Hong Kong
Galaxy Note GT-N7000 General - xda-developers
" If you have recently upgraded to ICS and cannot connect or see your router's 5GHz SSID, it is because Samsung used Taiwan legal channels for HK as well, You should set your router's 5GHz channle to 56, you will then see and be able to connect to your router's 5GHz channel."
Would that suggest that Vietnam and other Asian countries use different wifi channels, currently on my dual band router for 5ghz, I have 36, 40, 44, 48, I'm not sure but I tried changing the router through all the channels and none of the 5 channels are detected by the 7.7, It shows fine on other devices like the galaxy tab plus, I'm unsure which country was used on that version.

Sounds plausible/probable.
I suppose that's why it's DXMD3, meant for SE Asia, rather than XX (international).
Know idea idea why Samsung SE Asia would 'restrict' they firmware drivers though...
Sent from my GT-I9500 using xda premium

xaadilhx said:
Would that suggest that Vietnam and other Asian countries use different wifi channels, currently on my dual band router for 5ghz, I have 36, 40, 44, 48, I'm not sure but I tried changing the router through all the channels and none of the 5 channels are detected by the 7.7, It shows fine on other devices like the galaxy tab plus, I'm unsure which country was used on that version.
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First I thought the issue could be caused by the choice of channels, too. But apps like "Wifi Analyzer" show in my case, that 5ghz is disabled completely on stock JB, not just some channels.

lefty_ said:
First I thought the issue could be caused by the choice of channels, too. But apps like "Wifi Analyzer" show in my case, that 5ghz is disabled completely on stock JB, not just some channels.
Click to expand...
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Logic says that it has to be something to do with the router....
If some have 5 GHz band working, THEN IT MUST WORK with certain routers and channels. Still, the OP has not reported any further testing like I suggested in previous posts, just to rule out any conflict between HIS 2.4/5.0 router bands, security and JB.
Users need to be more specific in their posts; router model, router bands enabled/disabled, security enabled/disabled etc etc.
Sent from my GT-I9500 using xda premium

UpInTheAir said:
Logic says that it has to be something to do with the router....
Click to expand...
Click to collapse
I thought the same in the beginning. But at least in my case the issue is independent of any router.
On eRobot JB rom the app Wifi Analyzer gives me the option to scan at 2.4ghz or at 5ghz (and gives proper results in both cases).
On stock JB rom Wifi Analyzer only gives me the option to scan at 2.4ghz. So the app sees hardware that is not capable working on 5ghz at all and does not even give the option to scan at 5ghz.
On first sight it seems to me that it has something to do with the wifi driver. Looks like the wifi chip is not initialized correctly, or that 5ghz capability is disabled at a later point. But I don't know how this all fits together, especially given that for some users 5ghz on stock JB is working flawlessly.
(In this context I find the case of the user with two tab 7.7s interesting. One worked on 5ghz after flashing stock JB, the other one not. Then after simply copying the system from the working one to the other one via nandroid, both worked.)

Won't Activate Mobile Data (Sprint)

Hey all. I flashed my first rom today and its just stuck on "activate mobile data service". If I press skip, it would be able to make calls but no 3g data. I took out the sim card and still no luck. There is no APN settings on the mobile options. Not sure what to do here.

toprock23 said:
Hey all. I flashed my first rom today and its just stuck on "activate mobile data service". If I press skip, it would be able to make calls but no 3g data. I took out the sim card and still no luck. There is no APN settings on the mobile options. Not sure what to do here.
Click to expand...
Click to collapse
Call Sprint (using a phone other than your Nexus 5) and ask them to re-provision your data. This happens quite frequently on other devices also after flashing a new ROM with Sprint service.

Just keep in mind that neither Google or Sprint have to support the custom ROM. While they may not know that you are on the custom ROM, I would just put it back to stock and see if it work first.

I found the fix. There's a flashable apn zip for sprint that got me data.
Sent from my Nexus 5 using XDA Premium 4 mobile app

toprock23 said:
I found the fix. There's a flashable apn zip for sprint that got me data.
Sent from my Nexus 5 using XDA Premium 4 mobile app
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Click to collapse
I have same issue, can i have link to the apn flash?

Nwbmonkey said:
I have same issue, can i have link to the apn flash?
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Here you go http://forum.xda-developers.com/showthread.php?p=47813564
[FIX] Get Sprint Data To Work On Custom Roms.
sent from my HAMMERHEAD neXus

I have the same problem
Hi guys I have the same problem. My sprint Galaxy s4 had a custom rom installed,and sprint told me I cannot activate my phone because of this. Anyhow I installed the factory rom on it. After that they activated it for me, I'm wondering if I can root it again and flash an custom rom again. Please someone help. Would it affect my phone service.

Um this is nexus 5 forum
Sent from my SHIELD Tablet using Tapatalk

T-Mobile ROM for Verizon G2

I have an unlocked G2 from Verizon, rooted. 8 have all the carrier settings in place, but I have a couple icons on top of status bar that I want to go away. Do I need to install a TMO ROM for that? There is a SIM card symbol, the roaming symbol and what looks to be the GPS, but the GPS is off, slim assuming it's the global symbol. Any help would be nice.. thanx...
Sent from my VS980 4G using XDA Premium 4 mobile app

Not sure if anyone interested, I'm on stock VZW ROM, and rooted. Been looking to get a ROM that would allow the LTE in New Orleans. Well phone lost service. For about 10mins, just left alone, and it came back with the 4G LTE symbol, hmmm.
Sent from my VS980 4G using XDA Premium 4 mobile app

Well, as for an update, the 4G LTE went away after about 20mins. Jasnt popped back up...
Sent from my VS980 4G using XDA Premium 4 mobile app

You cant flash a Tmobile rom on a VZW phone. VZW is cdma...

x714x said:
You cant flash a Tmobile rom on a VZW phone. VZW is cdma...
Click to expand...
Click to collapse
I think most of us understand the different carrier bands.
The phone itself is unlocked. So it supports GSM. The question is mostly is there a ROM that will give an equivalent support for the ROM to act like the GSM tmobile ROM
Sent from my One using XDA Premium 4 mobile app

did anyone figure out how to get t mobile rom properly loaded onto verizon g2? I been working on this for a while but it doesnt even let me flash it. gives me error message could not open zip.

You can try doing this.
All models are the same hardware with some minor difference. CDMA VS GSM has nothing to do with flashing roms.
What I would do is get cloudystock rom and unzip it. Inside of it you will see a folder named variant. Get copy all those files from your variant folder and paste/replace on a tmobile rom with 7zip.
There you will have a tmobile rom with all the requirements from your model to work.
Let me know if this helps. Good luck