Develop Bugs

Wifi Permanently borken?

I was on BCnice20's GingerBread rom beta2 and i flashed the bcblend cfs stable kernel(sbc for bc) found here http://forum.xda-developers.com/showthread.php?t=876590 on top of it to fix the wifi issue but only caused more problems. wifi will not stay connected for more than 7 seconds without disconnecting then re-connecting. so i got tired of it and wiped everything and went to fresh's new ROM. problem is, wifi is still acting the same. its a constant loop of connecting and disconnecting. any thoughts?

I not sure what it is it might be the kernel try switching kernels or something like a stock kernel and did you wipe everything like twice see if that helps
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Did you nand before?
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verse187 said:
I not sure what it is it might be the kernel try switching kernels or something like a stock kernel and did you wipe everything like twice see if that helps
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i went into recovery and wiped everything twice and flashed fresh rom and still the same problem persists

Rydah805 said:
Did you nand before?
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I can try from an earlier nand. Im not sure thats going to work any better then a wipe and flash from a fresh rom like ive been doing

Have you tried reseting your router?
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RTC88 said:
Have you tried reseting your router?
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yes
10 chars

it will since that should restore you to the exact state hopefully of a known good setup. from there you can check stuff out, but at the minimum check to make sure your not having issues
kenfly said:
I can try from an earlier nand. Im not sure thats going to work any better then a wipe and flash from a fresh rom like ive been doing
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If you had a nand hopefully that would restore you with everything working
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GPS not locking until reboot - post custom rom

So I recently installed Calkulin's custom rom v2.9.2 and now my GPS doesn't lock unless I reboot the phone.
Any fix for this? thanks.

Try GPS status app
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I have this same problem.. My GPS Status just sits... doesn't find or fix on any satellites.

vash469 said:
Try GPS status app
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just tried this, doesn't work on my phone.
Only thing that works is a reboot which is a hassle everytime i need a GPS lock.
anyone else w/ any suggestions? I'd hate to go back to stock ROM.

Doesn't the GPS continue to work for a few days, before requiring a reboot?
Thats the case with my phone, try different versions of the rooted rom, or radios.

centro714 said:
just tried this, doesn't work on my phone.
Only thing that works is a reboot which is a hassle everytime i need a GPS lock.
anyone else w/ any suggestions? I'd hate to go back to stock ROM.
Click to expand...
Click to collapse
This thread is an amazing source for you to spend countless hours troubleshooting this phone's POS GPS unit.
I've been trying countless things on my phone too, I'll let ya know if anything works.

Leejin said:
This thread is an amazing source for you to spend countless hours troubleshooting this phone's POS GPS unit.
I've been trying countless things on my phone too, I'll let ya know if anything works.
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THanks. upon reading a bit of that thread, I found out that through using "GPS Status" I can refresh the "A-GPS" which I didn't know previously.
This seems to work so far.

I'm running the same rom and have no problems with any of my radios, I did also install the EL29 modem when I installed the rom. You may need to try different modems, they work differently on different phones even though you're running the same roms. Also, don't forget to update profile in /settings/about phone/updates
Sent from my SPH-D710 using XDA

ahoyt05 said:
I'm running the same rom and have no problems with any of my radios, I did also install the EL29 modem when I installed the rom. You may need to try different modems, they work differently on different phones even though you're running the same roms. Also, don't forget to update profile in /settings/about phone/updates
Sent from my SPH-D710 using XDA
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I was originally on EL29 Stock so I'm assuming when I flashed Calks 2.9.2 the modem's the same.
Is there a link where all the modem's can be found? and can I flash any modem?

Caulkin has a list on the same thread as the rom
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Flashed the FB21 Modem and this one looks like a winner!
I'm getting instant GPS locks w/o resetting, rebooting, opening an app etc etc.
On top of that, my 3G/4G speeds have increased!
WOW! I've never loved a phone before but I'm starting to have strong feelings for this one.

Cool, maybe I'll try that one too. Don't forget to update your profile
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I'm running the EL29 here's a screenshot of my 4G speeds at home.
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That's very good.
You may want to test drive the fb12 just for the hell of it. I've gotten 9, 12, & 13mbps.
I did get my 1st failed GPS, but it locked shortly after.
Sent from my SPH-D710 using XDA

I tried the fc05 got 13 then 4G started to sleep in the middle of things. The trick is to find "the one" that's stable and everything works. I'm gonna try the others and see how they work. But I know that this one works for my phone.
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I've tried most of them now and EL29 is still the best on my phone
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centro714 said:
Flashed the FB21 Modem and this one looks like a winner!
I'm getting instant GPS locks w/o resetting, rebooting, opening an app etc etc.
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Update if anyone's interested: FB21 modem w/ EL29 Kernel was good but still had GPS locking issues. I was getting roughly 85% locks (which isn't bad since I test often). FAST download speeds though.
So this got me thinking: When my phone was stock, GPS worked brilliantly. It wasn't until I installed a custom rom that it started to have problems. The difference was the kernel and modems.
So now I flashed back to EK02 modem and kernel (still running Calks 2.9.2) and my GPS has been locking 100% of the time. PLUS my phone is silky smoooooth!
Crossing my fingers that this will last....

My mobile network doesn't working

Help me please
My phone network doesn't working anymore
It starts a few days earlier
It always showing no connection
And when i flash a new ROM and it requires the phone tobe activated it won't activated
It keep saying error
What should i do?
Please help me
Sorry for my bad english
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What ROM did you flash?
What network do you need CDMA or GSM?

Try reflashing the radio. if that doesn't work, then it might be the kernel/ROM. Is your backing of the phone on? Thats where the antennae are. Just making sure

Mine did the same thing today. Luckily I had a backup of stock GB rooted. That's what I'm using now.
Sent from my DINC2

I thought this was a troll thread when I saw the title lol, but seriously you might have to flash a new radio.

How to flash a new radio?
This phone is actually my brother's but he gave it to me
So i don't know how to flash the radio
Can someone tell me where i can see the tutorial?
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Help with data connection on custom roms

Hey guys this is actually my first post and I am still somewhat of a noob when it comes to rooting the android system. I recently rooted my GS3 on AT&t and I'm sorry if this has already been posted about, but I need some help. Every ROM I have tried which includes paranoid android, CM, and a handful of others I can't remember the names of off hand all have the same issue. Whenever I go from basic 4G to 4G LTE I loose my data connection. When I go back to basic 4G I have to restart my data connection to reconnect. The ONLY ROM I have found that doesn't have this issue is the Synergy Touchwiz.
Am I doing something wrong?
Thanks again for any help and again I'm sorry if this has already been posted about.
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bearclawtec said:
Hey guys this is actually my first post and I am still somewhat of a noob when it comes to rooting the android system. I recently rooted my GS3 on AT&t and I'm sorry if this has already been posted about, but I need some help. Every ROM I have tried which includes paranoid android, CM, and a handful of others I can't remember the names of off hand all have the same issue. Whenever I go from basic 4G to 4G LTE I loose my data connection. When I go back to basic 4G I have to restart my data connection to reconnect. The ONLY ROM I have found that doesn't have this issue is the Synergy Touchwiz.
Am I doing something wrong?
Thanks again for any help and again I'm sorry if this has already been posted about.
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check your apn settings

OK so I just checked my APNs and just ATT was checked. I switched it to ATT LTE. We'll see if that works and if not I will check again.
Thanks
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bearclawtec said:
OK so I just checked my APNs and just ATT was checked. I switched it to ATT LTE. We'll see if that works and if not I will check again.
Thanks
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there's a button for that

Lol OK since I'm new here gotta try and since the sarcasm here lmao. I had to go into the settings and change it, but am I and idiot or missing the "boat" on the button? Cause my data was on..........god I feel stupid right now.
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[Q] d2usc - 4G issues

Hey all, I'm at my wits end trying to figure out what's going on with my phone/service. First off I hope this is the correct forum since none of them officially address the US Cellular version of the S3.
So what is happening is that my device seems to only want to connect to 3G. I am running the latest nightly for CM 10.1. It all started last week while I was in the twin cities on data roaming for a few days. On my drive back to Wisconsin I notice I would go in and out of 4G service.. by the time I hit home I was on solid 3G service. This was last Friday. I knew there was some work going on the towers in the area as my brothers 4G service started working on Sprint. I just assumed it was something to do with that.
By Sunday and still on 3G, I called tech and they did everything under the sun to try to get me back on 4G to no avail. They ended up sending me a new phone. When the new phone arrived on Tuesday I did a factory reset on the old phone just to clear everything before sending it to them and I noticed it went back on to 4G. This was on the stock ROM, rooted still.
So I switched the phone over to the new one and sure as hell, comes up in 4G. I replaced the recovery and restored a backup I had.. phone pops up.. 3G. :crying:
I did a factory reset a few times and nothing.. still would only come up in 3G mode. I then restored a backup I had for the stock ROM and what do you know.. 4G. Flashed a fresh download of the stable 4 snapshot.. 3G.. then I did a factory reset and what do you know .. 4G.. reboot the phone.. back on 3G.. Tried AOKP.. 3G..factory reset.. 3G.. Back to CM 10.1 nightly.. 3G.. factory reset.. 4G.. reboot.. 3G.
I cannot figure out what the hell is going on.. it clearly isn't hardware as it's now happened on two phones. I thought it might have had to do with being on data roaming for a few days so I waited until the data billing cycle finished (the 6th) but no luck.
I'm at wits end.. I will try anything at this point to get it working again with CM/AOKP.. doesn't matter.. just want my 4G back!

Your phone does not have 4G, It has HPSA.
On AOSP/AOKP, your connection will show up as 3G until it's being used. Let's see some speedtests.

Don't go by what it says in the ststus bar. What does it say inder Settings > About Device > Mobile Network type?
Now go start a large download, like a rom or something. While its downloading check again and post what you see.
Sent from my SGH-T999L using xda premium

Speeds
Thanks for the quick responses guys..
First thing was my status bar was showing 4G for about a year.. it was just recently I started having the issue. I used to get about 20Mb/sec down and now I'm getting about 800Kb-1.5Mb. It's clearly much slower than it was.
And the network type is CDMA - EvDo rev A:6

Try going under Settings, More Settings, Mobile Networks, and try a different network mode.
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Its selected as LTE/CDMA/EvDo. The only other option is CDMA/EvDO. I think it's set correctly.

What about Network Operators? Have you tried checking or trying a different one?
Sorry, I just don't know much about the usc model.
What is the model# btw.
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DocHoliday77 said:
What about Network Operators? Have you tried checking or trying a different one?
Sorry, I just don't know much about the usc model.
What is the model# btw.
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Not sure what you mean by network operators but the CDMA subscription is set to RUIM/SIM (which it should be) and the System Select is on Automatic and not Home Only.
Model is SCH-R530U

Under mobile networks you can manually search for and then select an operator.
Judging by your model number, you will likely find more and better help and probably others with your phone in the Verizon forum. (Possibly Sprints, but most likely Verizon)
Sent from my SGH-T999L using xda premium

Thanks. I think I found the answer.. some code in CM 10.1 was causing the NV to lose it's information. A code change was put in to prevent that from happening.. I just need to go back to stock and flash back to CM.
Thanks for the help guys!

DruKe said:
Thanks. I think I found the answer.. some code in CM 10.1 was causing the NV to lose it's information. A code change was put in to prevent that from happening.. I just need to go back to stock and flash back to CM.
Thanks for the help guys!
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Everything I've read involves going back to stock, factory reset, and reflashing. Is there any way to resolve this without reverting to stock? Or is that the only way? - Does it need to be unrooted? And also, one thing I was curious about, I have a stock backup, would flashing that, and then reflashing to a current CM backup do anything, or does it need to be a clean flash?

I would go totally back to stock and start over. It wouldn't even take more than an hour to do everything.
Sent from my SGH-T999 using Tapatalk 4 Beta

Yup, if you're having problems, taking shortcuts often result in more problems and more time involved than just starting over clean.
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DocHoliday77 said:
Yup, if you're having problems, taking shortcuts often result in more problems and more time involved than just starting over clean.
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I was having the same exact issue on CM10.1 RC5 -- called US Cellular and eliminated everything but CM causing the issue. Flashing back to an earlier version of CM, trying RC2 first.

Do you have the SCH-R530U? If so, see my quoted post below.
DocHoliday77 said:
Under mobile networks you can manually search for and then select an operator.
Judging by your model number, you will likely find more and better help and probably others with your phone in the Verizon forum. (Possibly Sprints, but most likely Verizon)
Sent from my SGH-T999L using xda premium
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DocHoliday77 said:
Do you have the SCH-R530U? If so, see my quoted post below.
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I do have a SCH-R530U -- tried looking around for info about the SCH-R530U and 4g, didnt find anything. Do you have a link? Thanks!

Verizon has their own separate forum and you can get to it from the main forum page. Go into q&a and use the search this forum searchbox.
I'll try to get the link in a bit. Bout to leave for a while though.
Sent from my SGH-T999L using xda premium

Went the revert to stock and reflash route. Issue is resolved. I did have to do it twice, as after the first reboot with RC5, I lost 4G again, skipped it and am running the 6-19 Nightly and have had no further issues! Thanks for your help. You guys are awesome!

jotchua said:
I do have a SCH-R530U -- tried looking around for info about the SCH-R530U and 4g, didnt find anything. Do you have a link? Thanks!
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Here are the search results:
http://forum.xda-developers.com/search.php?searchid=191901439
Sorry i cant do more right now.