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Hi all,
I have a question to those more knowledgeable about GSM network/settings (I come from a CDMA background). I bought my girlfriend a Captivate on EBay for Christmas; everything is working OK except it cannot get any signal. As far as I know everything is set up as it should, it just won't show any bars. While using the ServiceMode app [*#0011#] it goes from NO SERVICE to GSM : LIMITED and back over and over. While using her old phone in the same spot it has full bars. We went to the ATT store and made sure everything was set up on their end. I think the phone is defective but I figured I would check here first. I'll attach some relevant (I think) screen caps and if anything jumps out or you have anything for me to try and fix this, please let me know.
edit/
Also does anyone know the exact location of the internal antenna? I opened the phone up to see if something came lose during shipment or whatever and I didn't really get anywhere. I wanted to try and jury rig a extended antenna to see if that helped reception.
You flashed that ROM/theme on the phone? Or it came like that when you bought it?
That is Serendipity 5.1.. I figure while she can't use the phone as a phone, she should still benefit from a nice rom and kernel. When I received the phone originally it had the stock rom. Before I flashed a custom I made sure to check everything out first and the problem was there since the beginning. Since then I've flashed back to stock, tried different radios, etc etc but the results are always the same.
I don't know what the person before me did to the phone though, maybe he/she flashed something incorrectly and wrote over important settings? I don't know what I'm looking at that's really why I am asking here.
Grabbed some more settings, anything seem strange or wrong?
Stupid question, but do you have an active AT&T Sim card in the Phone? btw, these phones absolutely, positively will not work on Sprint or any other CDMA carrier.
rpicaso said:
Stupid question, but do you have an active AT&T Sim card in the Phone?
Click to expand...
Click to collapse
Yes I have her new Sim card which was activated at the store over the weekend. I can switch it between her two phones, old one full bars, Captivate no bars.
Check you APN Settings. Menu> Wireless and networks > Mobile Networks > Access Point Names and let us know what they are, and we can go from there.
Says ATT WAP
Tap where is says att wap and check the settings to see if they match these:
Name: ATT WAP
APN: wap.cingular
Proxy: wireless.cingular.com
Port: 80
Username:not set
Password:not set
Server: not set
MMSC: http://mmsc.cingular.com
MMS Proxy: wireless.cingular.com
mms port - 80
mcc 310
mnc 410
authentication type - none
apn type- internet + mms
If not, adjust them accordingly and see if it clears up. If not I'd say you have a serious hardware problem.
Those settings look good to me. Thanks for the help I suppose my problem is more serious. Anyone know of anything else I can check to maybe narrow my problem down? I'm not afraid to try and replace a radio/circuit board/internal antenna.
enter *#2263# and check that band selection is set to automatic.
Yep set to AUTOMATIC - Select GSM & WCDMA All Bands
Is there something equivalent to a PRL for GSM phones? Something that tells it what towers it can connect to?
idk if its related but i have poor signal problems too with my phone sometimes only shows bars and no h or edge and sometimes just says no service or emergency calls only
Yeah same here, right now it says Emergency calls only. I know for a fact that there are at least 6 GSM cell towers in this vicinity.
Can this issue have something to do with a failed unlocking attempt? I've been trying to research all routes and I tried to "unlock" to phone by using SGS Unlock Tool (rooted method), it was never successful. It states "Sorry, no codes found unknown error", possibly meaning that something internally is screwed up? I'm just pulling stuff out of my bum at this point. Any help will be appreciated!
Last bump for the weekend. Any suggestions? Already bought a new one but I still have 30 days to return it if I can figure out how to fix this.
Since I've replied to about 4 threads already with the same answer, I figured I would post this here and maybe have it made a sticky.
If you have recently flashed a new non AT&T Rom (Euro,Gingerbread, Overcome, CM7, etc..) you Galaxy Tab will not have the correct APN setting for your monthly data sim from AT&T.
The fix:
Go to Settings
Wireless & Network
Mobile Networks
Access Point names and make sure you have one called Broadband (assuming you are on the ATT monthly data only plan)
If you dont, create a new APN:
Name: Broadband
APN: Broadband
Just leave the other options as is, save it & select it.
I think by default it comes up with the ATT wap.cingular APN which doesnt work with the Tab Data plan.
OMG You're a lifesaver!
I just flashed my respiffied $200 AT&T Galaxy Tab with Overcome 2.0, and have been beating my head into the wall trying to flash modems and do all kinds of resets.
Thank you so much!
Weird part is, I had this exact problem when I activated a data plan for the first time on my AT&T tab a few days ago. Checked, and I had I already had an APN called "APN Broadband" so I thought it was a different problem. After fighting it for a while, I decided to create the new one with the name "Broadband" with the exact same settings as the "APN Broadband" one, and it worked perfectly! Apparently, the name is critical!
I just went through the same thing with my new AT&T Galaxy Tab. I had to modify one of the entries noted above to get it to work.
Name : APN Broadband (not ATT Broadband)
APN: Broadband
I'm happy camping again.
fasterbug said:
I just went through the same thing with my new AT&T Galaxy Tab. I had to modify one of the entries noted above to get it to work.
Name : APN Broadband (not ATT Broadband)
APN: Broadband
I'm happy camping again.
Click to expand...
Click to collapse
BTW, my Galaxy Tab is rooted using SuperOneClick.
OK, now I'm confused. As previously stated, I changed the APN name to APN Broadband and APN to Broadband and the wireless data started working. I turned on wifi, opened some random web pages, then shut off wifi. Now I'm not connecting to AT&T wireless data. I check the APN's again and the tab reverted back to the factory ATT Broadband. I swapped it back to the new APN I created (APN Broadband) and still could not get data. Now I changed back to the factory ATT Broadband, still no data. I began searching for more input. After 5+ minutes, I saw the 3G icon and I can reach the internet and market. I am new to Android devices, so I may be wrong, but I am not convinced I am done working this issue. If anyone else is has encountered this issue and have permanently fixed it, please add some food for thought.
fasterbug said:
I just went through the same thing with my new AT&T Galaxy Tab. I had to modify one of the entries noted above to get it to work.
Name : APN Broadband (not ATT Broadband)
APN: Broadband
I'm happy camping again.
Click to expand...
Click to collapse
Very interesting, as the one I had named "APN Broadband" is the one that would drop service whenever I opened Market, and I had to do exactly what the OP stated in his post to get it to work.
On a side note, I have noticed that it switches back to the default "APN Broadband" everytime I cycle airplane mode. I have to go back into the settings and choose "Broadband" again. Maybe I should just delete the old "APN Broadband" APN and hope it doesn't screw anything up.
Delete it. It will only make things easier for you.
Thanks!
RichAP, thank you very much for the APN info!
I spent the morning trying various combinations of uppercase, lowercase, password, no password entries with the wap.cingular.com APN. I did a bunch of searches and finally found this post. Didn't believe it could be as easy as just entering "broadband" into the APN settings, lol.
My AT&T 7" Galaxy Tab is now up and running with Overcome 7 v4.1 and using 3G. Yay!
(edit: yes I posted this as my first post just so I could hit the thanks button.)
I know this is an old thread but it helped me out recently, however, I found I had to use a regular phone SIM in my Note 4 Edge to add the Broadband APN and then switch back to the broadband SIM. If anyone is searching this issue and having a similar problem I hope this info might be helpful.
Pulled from the Inspire forums and can confirm working mod.
PROCEDURE FOR ROMS WITH A SINGLE LOCKED APN:
If your APN is locked (it shows the lock symbol and you cannot change the settings), then we're just going to add a second one.
From the APN screen, press Menu>>New APN. Here are the settings for your 2nd APN. Everything is case sensitive and must be entered exactly as below.
Name: Media Net (if your 1st locked APN is named Media Net, then just name this one Media Net2 - this name in this field isn't important as long as it's unique)
APN: Phone
MMS protocol: WAP 2.0 (this option might not be in your APN, so don't worry if you don't see it)
MCC: xxx (Don't change this number)
MNC: xxx (Don't change this number)
APN type: default,admin,hipri (notice there are no spaces between the words and the commas)
APN protocol (if applicable): IPv4
Everything else: <Not set>
Once you have the above settings entered, press menu and save. You will exit back out to the APN selection screen. Now you need to select the little round button for the new APN (Media Net/Phone) that you just created. Your phone's data connection will drop for several seconds as it switches to the new APN, and then come back. If you find that your connection doesn't "stick" on the 2nd APN (i.e. the selection button keeps reverting back to the 1st APN) then reboot your phone and try selecting the 2nd APN again.[/COLOR][/B] It is mandatory that the 2nd APN is selected in order for the speed benefit.
We're done. If something went wrong and you need to revert back to your default APN config, from the APN selection screen just press menu and select "Reset to default".
Will this allow tethering without the tethering plan?
Thanks I can confirm it works great no need to root my phone now
Sent from my HTC PH39100 using xda premium
geek_riot said:
Will this allow tethering without the tethering plan?
Click to expand...
Click to collapse
Correct. I am on a $30 Unlimited LTE data plan no tethering but have it enabled with this mod.
Noodles5666 said:
Correct. I am on a $30 Unlimited LTE data plan no tethering but have it enabled with this mod.
Click to expand...
Click to collapse
Awesome!! Thanks!!
Even better it drops us off of LTE, i.e. we can now turn the darn thing off and save some battery
This doesnt let you use LTE 4g while doing tetherning. After adding this apn it kicks you to the HSPA+ 4g.
But this is an easy way to create an easy way to switch between LTE and HSPA+
Edit: also it didnt allow me to do tethering. Said i had to dial 611 and get it added.
I seem to be doing something wrong... I made the second APN and activated it. When I try to use the WiFi Hotspot App, I get a message about adding tethering. Should I be using a different app?
jason.hamilton said:
This doesnt let you use LTE 4g while doing tetherning. After adding this apn it kicks you to the HSPA+ 4g.
But this is an easy way to create an easy way to switch between LTE and HSPA+
Click to expand...
Click to collapse
This may be but my internet icon has not changed. Showing 4G but that is probably due to the market I am in is not an LTE market.
Noodles5666 said:
This may be but my internet icon has not changed. Showing 4G but that is probably due to the market I am in is not an LTE market.
Click to expand...
Click to collapse
Yea when you are on the 4g LTE network, there is a little LTE underneath the 4g symbol
geek_riot said:
I seem to be doing something wrong... I made the second APN and activated it. When I try to use the WiFi Hotspot App, I get a message about adding tethering. Should I be using a different app?
Click to expand...
Click to collapse
Have you followed step by step? Yes? Then have you tried rebooting the phone?
Is there any way you can update that APN to work with LTE 4g.
jason.hamilton said:
Is there any way you can update that APN to work with LTE 4g.
Click to expand...
Click to collapse
Sorry as of now I don't have a way. Will be figuring that out shortly.
Does not work for me.
Followed steps and reboot. No good.
Not Working
It works for a second and then it reverts back to that you need a tethering plan. Any other info. Thanks
z45123 said:
It works for a second and then it reverts back to that you need a tethering plan. Any other info. Thanks
Click to expand...
Click to collapse
I've ran it for about 2 gigs today and had no issues. Also once you turn it off the next time you wanna do it you will have to switch back to the stock APN and then back to the one you made. It's not perfect but it's better than nothing right now.
I didn't use these settings to enable tethering, but I entered them just to get ANY sort of data connection. It definitely solved my issues. Thanks a lot!
Won't revert to default
I set up an apn for hspa+ before I could get a 4g sim. I've switched sims and now I wanted to go back to default and it said I had no data due to an apn error. The radial box is selected for the original apn.
It would work for a second and my laptop would see the network but quickly went back to telling me to go to AT&T and get a tethering plan. However Having the second APN seems to help when the data gets flaky, which is VERY often. Speeds are erratic and I often can't get ANY data.
Sentinel
would love to see this work with the LTE connection.
Can't now find a thread here that told how to change APN settings (I saved that link) for T-Mobile. My problem is making a non-TMobile phone work for wi-fi calling, and I'm asking if changing APN settings has anything to do with that. Several TM agents have told me unless it's their phone, it won't work on wi-fi, but I still find this hard to accept. I popped in their SIM card and it worked great on the network, but when I came home to wi-fi, no dice. Any ideas? Thanks! (Of course the phone is wi-fi capable and was used as such with my previous carrier)
Try this:
Use the settings listed below to create the proper hotspot-hacked-APN for T-Mobile:
Name: T-Mobile US LTE
APN: fast.t-mobile.com
MMSC: http://mms.msg.eng.t-mobile.com/mms/wapenc
MCC: 310
MNC: 260
APN type: default,supl,mms,dun
APN protocol: IPv4
APN roaming protocol: IPv4
kat3k said:
Can't now find a thread here that told how to change APN settings (I saved that link) for T-Mobile. My problem is making a non-TMobile phone work for wi-fi calling, and I'm asking if changing APN settings has anything to do with that. Several TM agents have told me unless it's their phone, it won't work on wi-fi, but I still find this hard to accept. I popped in their SIM card and it worked great on the network, but when I came home to wi-fi, no dice. Any ideas? Thanks! (Of course the phone is wi-fi capable and was used as such with my previous carrier)
Click to expand...
Click to collapse
I firmly believe it has more to do with being baked into the T-Mobile firmware. I've seen & had many issues myself regarding unlocked phones and WiFi Calling. I had trouble on my original One Plus One, have issues with my current BlackBerry Passport which supports it (but we don't sell it), and various Unlocked Androids from a range of different manufacturers & carriers. I've also lost WiFi on T-Mobile branded phones when I've rooted and flashed custom non T-Mobile based firmware.
However, there are A LOT of menus hidden on the Note 7. Try this out...Go to the Play Store & search for QuickShortcutMaker. The icon is yellow/orange with a hand shaped in an L pushing a button. Download and open it, you'll see a huge list of applications. Scroll until you find Phone and you may see 3 applications that say phone. You'll click on the one that says "com.android.phone" below it. Keep scrolling until you see the options in the screenshot. Click on them, then hit "Try" and it should reveal the hidden menus. Those ones highlighted state VZW & WiFi/Advanced Calling so they may reveal a switch to enable.
When I hit Try it won't open but I have a T-Mobile model so let me know if that helps!
http://cloud.tapatalk.com/s/58916a9363a1b/Screenshot_20170131-225040.jpg?
Sent from my SM-N930T using Tapatalk
So I have an AT&T branded, carrier unlocked, Samsung Galaxy Note 9 model number SM-N960U and I'm currently using Straight Talk as my carrier with a SIM card that uses AT&T towers. Voice Over LTE is disabled on it for AT&T towers and I've been trying off and on every time I get frustrated with my backup phone's cracked screen to find some way to make it function again but to no avail.
Anyone know of any magical fixes for this? I've done quite a bit of searching for answers and I've tried a bunch of things but not come up with any real fix for the problem...
Things I've tried include multiple different APN settings, turning on VoLTE Provisioning manually by dialing ##4636## (VoLTE Provisioned is grayed out with AT&T sim card but not other carriers cause of course it is), I've called Straight Talk and had them do whatever it is they do on their end multiple times with no success and unfortunately the only carrier we get signal with in my area is AT&T or I would be happy to just switch to a Verizon SIM. I also tried looking for a way to root the darn thing (and tried using the rom I found in another thread here to change it from N960U to N960U1 but mine must be on a different update than that rom) cause I'm sure with access I could bypass all AT&T's crap but my security update is too recent to allow for root access so I'm worried it may just be stuck...
Any ideas would be GREATLY appreciated! I'm so frustrated with this phone I'm half tempted to chuck it out my window lol.
Hi, @cloudyrei
I am currently on Old Folks Cellular/Consumer Cellular with an AT&T sim.
Had to change sim cards after the recent 3G shutdown because IMS no longer registered.
Are you using a launcher that can access activities on your N9?
If not, please download Activity Launcher from the F-droid store. I use it on N9 and N20U.
In the Activities menu, please search for: "Call Settings" - this will be found under Call Settings (com.samsung.android.app.telephonyui.hiddennetworksetting.MainActivity) and create a shortcut
"Mobile Network" - this will be found under "Settings" in Activities (com.android.settings.network.telephony.MobileNetworkActivity) and create a shortcut
"Phone info" is also listed under "Settings" in Activities (com.android.settings.RadioInfo) and create a shortcut
Please open "Phone info" and select "LTE only" at the "Set preferred Network Type."
This menu also shows Data network type and Voice network type, which should display "LTE."
On my N9, the "Call Settings" will not have anything selected underneath "Network" or "Band Selection."
Hopefully, you can access your mobile network settings for Straight Talk via "Mobile Network."
Then check settings for your SIM card status in "About phone."
Oh! Thank you for that app! That helps a lot so I don't have to type that string into the dialer every time!
Unfortunately this is what I'm looking at with LTE only selected and I also went through the whole list and tried every one of them just in case and they all look the same only with some variation in signal strength but that's about it...
You are welcome, @cloudyrei, and so sorry that I couldn't help you.
Please set your phone back to its original mobile network settings.
Please remove your screenshot because it has your phone number and other info on it.
Is your phone on Android 10, One UI 2.5?
I looked around for Straight Talk's (AT&T) APN settings, and found this:
Straight Talk APN Settings for Android 2023 - 5G 4G LTE APN USA
Straight Talk Verizon AT&T T-Mobile US 5G 4G LTE 3G Internet and MMS Settings for Android Galaxy S9 S8 S5 S6 S7 M21 M31 F41 S20+ S21 S21+ 5G Tab Note On HTC One Desire Wildfire LG Optimum Xperia LG APN Settings by SMS Text APN to 611611 Straight Talk APN for Android On the
www.apnsettings.org
Before tinkering with your apn settings, you may want to contact Straight Talk to confirm you have 4G LTE.
I had to contact the service provider for a new sim card because it would not register the IMS.
Here's the settings on my N9:
Oh heck you're right! I thought about that maybe having my info on it awhile after I put it up but forgot to go back and check! I haven't gotten any weird calls yet at least so woo!
Yes my phone is on Android 10, One UI 2.5
I reverted the mobile network settings and tried the other APN and it does make it so the mobile data works, however, I still can't make phone calls or text.
I'm sure I have LTE as all of the things function normally with the sim in the backup phone with the cracked screen I have, It's a Galaxy S10.
Here's my settings in the Note 9 as of now. I cropped out the part with my number and such this time lol.
Are you turning off the power in your N9 when you place the SIM card in it, @cloudyrei?
Thank goodness you did not receive any strange phone calls. lol
Does Straight Talk send you a "configuration message" via text for your APN, SMS, and browser settings when you place your SIM in your N9?
I do not download the configuration message for APN, SMS or browser settings.
I noticed that downloading each one changes the default SIM.
If you downloaded the configuration message settings, you could try setting it back to the default settings for your SIM by going into "Settings," "Connections," "Mobile Networks," then "Access Point Names."
Then reset to default by clicking on the 3-button menu.
Please power off your N9 if you reset the SIM.
Remove SIM, wait a few, Insert SIM, then power on.
My sim settings for AT&T:
MVNO reseller
Name: MVNO Reseller
APN: reseller
Proxy: Not set
Port: Not set
Username: Not set
Password: Not set
Server: Not set
MMSC: http://mmsc.mobile.att.net
Multimedia message proxy:
proxy.mobile.att.net
Multimedia message port: 80
MCC: 310
MNC: 410
Authentication type: None
APN type: default,supl,mms
APN protocol: IPv4/IPv6
APN roaming protocol: IPv4
Turn APN on/of: APN turned on
Bearer: Unspecified
Mobile virtual network operator type: GID
Mobile virtual network operator value: 2AC9
I don't think there should be any spaces between the items listed for APN type.
If this doesn't work, I hope someone can help you.
I had to request a new SIM from CC after the 3G shutdown.
The IMS would not register on the N9 or N20U.
The SIM card I had to replace was originally used in an unlocked Galaxy Note8, which was on Consumer Cellular network with a T-mobile SIM.
The new SIM is an AT&T SIM.
I remember reading that some N9 owners had problems after the 3G shutdown and had to get a new SIM.
Then, I tinkered around with the "Phone settings," (from Activity Manager's shortcut) and set it to LTE only.
jsusang said:
Please open "Phone info" and select "LTE only" at the "Set preferred Network Type."
This menu also shows Data network type and Voice network type, which should display "LTE."
Click to expand...
Click to collapse
Sorry to bring this back from the dead, but I bought my sister a Note 9 specifically for the deprecation of 3/2G.
Verizon finished sunsetting their towers recently and now my sister's N960U cannot even connect to the towers that would send config messages. And "VoLTE provisioned" is not enabled.
This sim works in other VoLTE phones and gets provisioned. Its only the N9 that won't provision.
One thing I noticed was the IMEI number under Phone Info is one number off from the IMEI that shows under "About Phone" is this normal?
I would figure that the IMEI should be complete in "Phone info" and maybe thus us the reason why Straight Talk can't provision VoLTE?
@rjones97
My apologies for replying so late to your questions about your sister's Note9.
Were you able to receive service with Straight Talk for her phone?
Unfortunately, we haven't. Straight Talk support is assuring me that everything is configured correctly on their side. The last thing they did was submit a report to Verizon about the account. They said to expect a reply the next day, but nothing came through.
Hi, @rjones97
Is your sister's N9 unlocked?
If your sister had service w/ Verizon/Straight Talk before Verizon ended service for 2/3G, you may want to ask if they will send you another SIM card for her Note9.
I had to get another SIM (AT&T) from Consumer Cellular because the IMS service would not register.
Or you could try these settings on this webpage to see if her phone will work.
Straight Talk - Verizon APN settings:
(Please read through the "comments" if you run into any problems to see if they may help)
straight talk Verizon apn settings – easy setup guide
Correct Straight Talk verizon Apn Settings - fastest and most updated LTE APN Settings. Name: straight talk, APN: ACCT.TF.GW6.VZWENTP, username: blank, pass
apn-settings.com
Straight Talk - Verizon APN settings for troubleshooting MMS not working:
https://apn-settings.com/straight-talk-mms-not-working/https://apn-settings.com/straight-talk-mms-not-working/
I hope this helps you set up her phone so she will have service.