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[Q] 3G/4G data not working

Rooted with Altered Beast just a few days ago. Flashed Gummy Charged 1.9.1. No issues until I downloaded the wifitether app. After a reboot shortly after using the wifitether app my 3G/4G (data) has completely gone away. I have wiped/flashed lots of times. My boot animation seems to have an issue as well. Kinda flashes in and out almost like it is getting stuck. I also tried a reflash of ABeast through Odin as well. Anyone have any ideas?

I'm going to try to go back to stock. I'll let you know what happens.

I made it back to stock, but no success in getting data back. Any suggestions?

Gonna go out on a limb here and say that Verizon noticed u trying to use it and cut your data...... or u just have moblie data turned completely off? Either way id takebit to Verizon, could just be a bad similar card
Sent from my SCH-I510 using XDA App

justin94 said:
Gonna go out on a limb here and say that Verizon noticed u trying to use it and cut your data...... or u just have moblie data turned completely off? Either way id takebit to Verizon, could just be a bad similar card
Sent from my SCH-I510 using XDA App
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doubt it unless your using retardedly high amounts of data and even then they would probably just throttle you... but yeah toggling data a few times sometimes may work

brandroid37 said:
Rooted with Altered Beast just a few days ago. Flashed Gummy Charged 1.9.1. No issues until I downloaded the wifitether app. After a reboot shortly after using the wifitether app my 3G/4G (data) has completely gone away. I have wiped/flashed lots of times. My boot animation seems to have an issue as well. Kinda flashes in and out almost like it is getting stuck. I also tried a reflash of ABeast through Odin as well. Anyone have any ideas?
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brandroid37 said:
I made it back to stock, but no success in getting data back. Any suggestions?
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i always wonder why people flash Altered Beast still, only cuz its so dated... anyway you got back to stock, now have you tried odining different modems? or even flashing a different rom? either a froyo one or GB...

Id odin a new modem try this its ep1q just odin in pda http://www.mediafire.com/?96cc17rha8a7o1a if it works Id go to ep1w. Also when you got to stock did it say missing sim and not let you activate your phone and did you remove your sim?? If your able to activate its not your sim card it could be the modems. As for the altered beast I only started flashing about a month ago and there are so many threads about how to get cwm... I (being paranoid) read posts for a full week before flashing. What I realized is there should be an updated sticky on the most updated ways to get to root and rom. Now that I know what im doing (kinda) I can read the posts and know whats what..when your new to this its damn confusing. An altered beast was the first link I came to when researching.

It was def. the sim card. Took it to VZ today and had it replaced. Not sure what killed it though?

Data speed icon?? Gone?? Invalid Sim sometimes??

Okay I have been having the t-mobile "invalid sim card" issue and the phone currently is running with the t-mobile carrier logo. I was able to make calls, and connect via WiFi. I am not able to access the web2go page when I select data in the "wireless & network settings" page with a check. I used to be able to at least access this page with wifi turned off and it would show a little 4g icon on the top? I will post some screenshots. I downloaded GeRIL just to see what it said? I think my phone is rooted? I ran superuser and said the phone was not but the last action I did before getting the t-mobile to show up was a zip restore with CWM so I assume it's rooted? Might be just a flash? One other thing is that I have the WiFi and GPS on and it does not appear to get my location for weather in the weather app?? I can open Google maps and GPS is within 60 meters of my location. I want to reboot the phone but am afraid it won't be back to normal and I will get the error "Invalid Sim Card" again? Is there anything or tests to run while the phone is on the t-mobile network I should check first before rebooting? Or files I should try to use or flash? Or any service menu codes to run diagnostics? Thanks in advance. I forgot to mention that I will be getting a replacement from t-mobile in a week, I did the online chat and they said they will send a replacement under warranty. The box has a date of 7/29/2011 so the phone is about 3-4 months old? The phone is unlocked and has been rooted before, but the issue happened days before I modded this G2x. Basically, today it could connect and tomorrow it might not...or If I reboot It usually goes to the "Invalid Sim Card" I have read other posts with issues of the same type from other users but found no solutions?? Baseband, RIL, Sim ect...all points to a bad phone(using t-mobile) because If I use any other carrier card in the phone it works without errors. That makes me think it's a firmware with t-mobile issue but I could be wrong? Hopefully if the replacement goes thru the same ICS 4.0 will be out and make this phone a beast again?

This might work or it might not: rename your APN manually (Settings/Wireless/Mobile networks/Access Point Names/edit) you can either edit or restore to default to restore mobile data connectivity. Try restoring to default.

I just accidentally hit Airplane mode and it killed it!!! Now it's back to the Invalid Sim Card error again...bummer!!!!

Wait a minute...I waited and read a few posts and clicked the Airplane mode off and on again and it came back to the t-mobile carrier..??? I still have not rebooted the phone though? Hmmm...should I?

Did you get a new sim card when you got the phone? I remember when I got this phone they told me not to use my 5 year old sim card from my previous phone. I say try a new sim card, if that doesn't work try to reset the apn with the instructions I posted last, and if that doesn't work it might just be a bad sim card reader.

I think more on the lines of a bad sim card reader...I have a new sim card...about a 3 days old, got it from t-mobile cause i had the older sim with the larger gold contact patch. The phone is already on order...they said 7 business days..

Same issues here
Sent from my LG-P999 using xda premium

This is a tricky subject to cover. I have been involved in a few discussions about this. I am unable at this time to post links to threads.(I am at work) if you pull up my profile on here and look at topic I have posted on should help you in the rite direction. Every thing you have listed in your open is covered in a discustion some where....it most likely is all barrier deep. if you need further help post back here. I will help as much as possible.

Can't you just do a hard-reboot? Hold down Power + Volume Up
Sent from my LG-P999 using xda premium

FatalityBoyZahy said:
Can't you just do a hard-reboot? Hold down Power + Volume Up
Sent from my LG-P999 using xda premium
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Yes some times that will work. Other times might take 2 reboots. Also sometimes toggleing airplane mode can bring back apn. After a few sim cards and all my problem went away. When I had the issue I was cm7 rom. Stock Rome didn't really seam to have this issue.

just to close this thread I already received my replacement phone from tmobile. I am no longer trying to track down the issue. Thanks for all of the replied and comments. every one who contributed will get a thanks from me.
sent from my HTC Inspire 4G Straight Talk Plan to XDA Developers

FatalityBoyZahy said:
Can't you just do a hard-reboot? Hold down Power + Volume Up
This is what I did to fix it whenever I was having this problem.
Sent from my LG-P999 using xda premium
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Yes doing a hard reboot will reset the Apn/data loss problem. (Also toggling airplane mode would some times reset it.) This is only a tempory solution as it could happen again. On cm7 rc1 it would happen to me at least once a day. As well as many others. Off of the top of my head it was something wrong in a radio file.(? Not sure what file) shortly after the release cm7 stable 7.1.0.1 was posted. I believe that had the patch for the data loss issue. It is possible that some cm7 based Rome may still have a data issue loss as they might not have the updated patch. At the time stock based Roms did not have the issue and as far as know. Some people faced with this issue could have had a faulty sim or phone. The other thing that was happening during the life of this issue was how many people running cm7 based roms didn't have the issue. I no longer have this issue. I followed the bug report that was submitted and sealed out the sim card twice. (I think it was cm7 issue on my device) OP- I hope that this swap works for you. If it don't, I will be more that happy to help. also thank you for your service.
I have posted what I know and can remember here in hopes that it can help some one else out in the future.
Sent from my LG-P999 using XDA App

When I had the phone I installed CM7, and the daily's...ect..It WAS a phone issue (hardware) I now have had the replacement phone for 1 week and no issues what so ever. That's not to say that the issue will arise again? I have rooted and am running no ROMs at the time but am thinking of going back to the FROYO 2.2 just to get the camera like it was in the older version. I hate the camera in GB 2.3.3. No zoom....c'mon LG..where did you guys lay down to sleep during this process if the development? One other feature that has nothing to do with the camera that I would like to see happen is to be able to enable a bluetooth mouse. I tried my Targus mouse and no luck. I think you can use a bluetooth keyboard but have none to test. I was thinking of shelling out the 160 smackers for the infared keyboard..small and can fit in your shirt pocket, and it's bluetooth.

Cannot Connect to AT&T Network (Neither Voice Nor Data)

For some reason I cannot connect to AT&T's network for voice/data. I had been running MIUI for about 3 months and all was good. I came back from a trip Thursday and the phone wouldn't find a network after turning off airplane mode, but rebooting seemed to fix it. However, today I cannot get it to connect at all.
I have tried:
Wiping cache/davlik cache
Fixing permissions
Tried searching for a network operator through settings->mobile network->network operators, got nothing
Wiping user data and switching to ZEUS Build 6
Tried searching for a network operator again
Went back to 100% stock with GTG's Ultimate Unbrick
Still nothing for network operator under "Available networks" (Default setup is greyed out)
I'm going to guess either my SIM or 3G chip burned out? I was using the phone heavily the past few days with a ton of GPS stuff to get around Atlanta and it did get pretty hot on the car dash. I'll try taking it to an AT&T store tomorrow (ugh) but am open to any suggestions before I do so .

There are a few options I would consider:
1. Go to the apn and set up a new apn and save it. Select it and then reboot. There are a few floating around. Check my how to thread in the q/a. I posted one there. Make sure you create one and then save it.
2. Try flashing a different modem.
3. Take out the external micro sd. Back up your stuff from the internal sdcard. Factory reset from in the ROM. Warning: a factory reset from within the ROM will erase EVERYTHING, including pictures. Make sure you save everything first. Reboot. And if that doesn't work, odin with a re partition pit file or use one of the heimdall 1-click and then do a reset again.
4. Possibly remove the Sim and clean it. I've heard the Sim socket is very fragile and breaks easily. Use caution. You can always have the att guys do it and let them break it.
Gl

he said he did try flashing another rom and odining back to stock. if that doesnt work, nothing will. hopefully you still have a warranty.

Already restored to stock (and again from within the stock rom)... Forgot about my pictures :crying:
Tried I997UCKL2 and I997UCLB3 modems, with and without custom APNs.
Tried cleaning the SIM
Funnily enough I do get service bars (4/5) after the phone has been on for about a minute, but no HSPA+ icon and still can't make calls/MMS/internet (calls are about 5s of silence followed by an abbreviated dialing tone, then "Call Ended"). Yup, I think it's borked... Guess it's time for an S3! Thanks for the help though.

Imei messed up?
Sent from my SAMSUNG-SGH-I747 using xda premium

crash822 said:
Imei messed up?
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I can bring up the IMEI dialog fine (*#06#)... Other than that I don't know how else to check it.

you paid your bill right?

The Jack of Clubs said:
you paid your bill right?
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Haha yep... I just dug out my old old phone (LG CU500 iirc). Found the charger and made a call. Seriously old school but at least I'm sort of connected until I can get my Infuse sorted!

pacallen said:
Already restored to stock (and again from within the stock rom)... Forgot about my pictures :crying:
Tried I997UCKL2 and I997UCLB3 modems, with and without custom APNs.
Tried cleaning the SIM
Funnily enough I do get service bars (4/5) after the phone has been on for about a minute, but no HSPA+ icon and still can't make calls/MMS/internet (calls are about 5s of silence followed by an abbreviated dialing tone, then "Call Ended"). Yup, I think it's borked... Guess it's time for an S3! Thanks for the help though.
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Sorry to hear about your pictures. I tried to warn you.
The last thing i can think of is to leave your battery out overnight. And then put it back tomorrow.
It sounds like it's hardware related though.
(Different ROM like miui and zeus have their own custom build.prop ril settings and apn. These potentially can mess with your phone connection if the partition messes up.
I wanted to make sure it was not a partition screw up. A double flash in heimdall uckj4 or uclb3 with boot loader checked or one of the Odin un-brick using a pit file would have clear this. Sounded like you did this already. Another user have reported clearing their efs in odin. I would only try this if you have backed up your efs position, either in root explorer or zen tool kit.)
Again, sounds like hw...
Gl

qkster said:
The last thing i can think of is to leave your battery out overnight. And then put it back tomorrow.
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Well when I transferred my sim to my old dumb phone I left my Infuse off (about 3 hours). I just tried it again for kicks and miraculously it works perfectly now! Now I get to reinstall everything again (yay...), but I'm wondering if my sim slot is on its way out or something... Not sure why it would suddenly start working again.
Oh well, time to try out Zeus (MIUI was a little too buggy for me).
Thanks again all... hopefully it doesn't die on me again!

pacallen said:
Well when I transferred my sim to my old dumb phone I left my Infuse off (about 3 hours). I just tried it again for kicks and miraculously it works perfectly now! Now I get to reinstall everything again (yay...), but I'm wondering if my sim slot is on its way out or something... Not sure why it would suddenly start working again.
Oh well, time to try out Zeus (MIUI was a little too buggy for me).
Thanks again all... hopefully it doesn't die on me again!
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Good to hear.
If it starts to act wonky again, try a different battery. It is possible the heat you described may have damage the lithium cell. Idk..
Ebay has them for about $4 free shipping. Look for a usa shipper...2-4 days

For some reason this happens to me sometimes. I'm unsure myself. What I do to fix it is turn data on and off and then reboot. I do that a few times and then it starts working.
Sent from my SAMSUNG-SGH-I997

So after three different roms, several factory wipes, and all sorts of voodoo magic, it was a bad sim card.
Shame... I kinda wanted an S3 .

JB 4.1.1 Won't connect to tmobile towers

It updated OTA on it's own and was working last night. This morning I looked at my phone and it was connected. I moved it and it lost signal and hasn't gotten it since. I can't force it to connect, will get roaming but roaming in this area is emergency only.

AtomicPC said:
It updated OTA on it's own and was working last night. This morning I looked at my phone and it was connected. I moved it and it lost signal and hasn't gotten it since. I can't force it to connect, will get roaming but roaming in this area is emergency only.
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Slight update, no APN settings are on here, won't save when I try to add them. Well it saves but then it still shows none.

Its busted, reflash
Sent from my Nexus S using xda premium

xsteven77x said:
Its busted, reflash
Sent from my Nexus S using xda premium
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Just did that. Still nothing.

Ok I've flashed 4.0.4 then CWM to 4.1.1 and nothing. Flashed 4.0.4 and nothing then flashed GB on it and nothing. I'm out of ideas.

Maybe you didn't save properly? Don't press back when done inputting everything, but press menu>save.

If that doesn't work, there's a remote possibility it's a problem with the SIM card. You might want to go to your carrier store and ask for a new one; in my experience this is usually free. Other than that, if flashing a whole new ROM doesn't fix it, I have a hard time understanding how it could be anything other than a hardware issue.

zorak950 said:
If that doesn't work, there's a remote possibility it's a problem with the SIM card. You might want to go to your carrier store and ask for a new one; in my experience this is usually free. Other than that, if flashing a whole new ROM doesn't fix it, I have a hard time understanding how it could be anything other than a hardware issue.
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It was the sim card. I wished I would have thought of that before I wiped everything though. Oh well I got a clean install and learned a lesson. Never skip step 3...

[Q] Stumped. Please Help!

Alright, to begin. About a month ago I lost my GPS. Meaning, my phone could not locate itself. Move up to the end of last week...I was unable to send text messages, call out or receive calls. I WAS able to receive text messages. Also, I could use my mobile data (i.e. Internet). Then, I lost ALL capabilities and the phone went to asking me if I wanted to switch to GLOBAL ROAMING. Still, at this point I could ODIN flash to stock. However, I could not ROOT the phone. Even with flashing back to stock (unrooting), the phone would not call, or text, etc...Okay, still with me? So, yesterday, I took the phone to the local Verizon Corporate store to have them look at it. A new SIM card did not fix the problem. In fact, when he booted the phone, the boot and splash screen both came up with a picture of a big LOCK (that was unlocked) and the word "CUSTOM". He looked at us and said, "That's not supposed to be there.". It never was until that time (mind you, I had unrooted). The phone wouldn't even boot to the VZW stock recovery. He was awesome to work with and we did so for over an hour. He was going to replace the phone with a new one under insurance (even though I don't have insurance on the phone). But the phone was not in the system. They couldn't find it. "Like it doesn't exist". So, today I am still messing with it and have been all over the internet looking for a solution. I've ODIN'd the stupid thing so many times in the last two days. NOW, I DON'T have the big un-locked LOCK or the "CUSTOM" anymore, but I can't get past the setup screen because the phone is ROAMING! It will ask which language, then, at the next screen, it tells me to wait while it connects to Verizon Wireless and activates itself. At this point, the phone will make a phone call, ON ITS OWN, and I listen to people telling me that I may be eligible for a $100 gift card as well as other advertisements. I used to be able to pull down the notification bar and setup my wifi. Now, I can't do that.
I've tried every stock ROM available all the way back to 4.0.4. At first, that's what I would do and then, just apply the OTAs until i reached 4.1.2. Now, I can't even get that far.
I'm sure I've forgotten some things, but please ask away if that will help clear anything up. I've never had any problems with this device. Could it be a virus? Or is it doomed for the recycler? I have no idea what to do. Thanks.

Also, I remembered, when I was able to see my phone's info it showed I was connected to the network and everything looked as it should and would, normally. I still couldn't send texts, call, etc...on Verizon's customer representative end, they would also say that it would look like the phone was trying to do something but never would.
When I would request my IMEI#, it checked out fine. However, when I would use the dialer for the IMEI check, I would get the IMEI# followed by a /01 or /02. Not sure what that means, but thought I'd throw that out there, as well. Thanks

Now, when I'm in the aforementioned set up screen, my phone direct-calls Alltel. "Thank you for calling Alltel". WTH.
Sent from my GT-P3110 using xda premium

just for a baseline where is the phone at now? As in what Rom, base(modem), bootloader locked/unlocked, kernel, prl, eri, imei still there not messed up?
Sent from my SCH-I535 using Tapatalk 4 Beta

Your phone is shot. Same thing happened to my original s3. Started with gps, then started losing internet, and messages not working then making calls started to go. I tried everything I could. I had to call Verizon and get them to send me a replacement.
Sent from my SCH-I535 using xda premium

bbolton_98 said:
just for a baseline where is the phone at now? As in what Rom, base(modem), bootloader locked/unlocked, kernel, prl, eri, imei still there not messed up?
Sent from my SCH-I535 using Tapatalk 4 Beta
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Hi. Unfortunately, I couldn't give the specifics because I don't really know. Other than, the last flash I did was Odin back to stock (un-root) and do all the OTA updates (up to 4.1.2). So, whatever all the stock, non-rooted S3s are running. Sorry I couldn't give more info. Thanks.
Sent from my GT-P3110 using Tapatalk 2

bbqsfire said:
Your phone is shot. Same thing happened to my original s3. Started with gps, then started losing internet, and messages not working then making calls started to go. I tried everything I could. I had to call Verizon and get them to send me a replacement.
Sent from my SCH-I535 using xda premium
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Thanks. Yeah, I was on the phone from 11pm last night until 1am this morning with Verizon and they couldn't get it working. Put in another "network fix" ticket but haven't heard back. Looks hopeless. My contract is up and I am really looking forward to the S4, but money is tight and I was going to wait a bit before that purchase. I was using an old Samsung SCH-U900 Flipshot as my backup. I don't have to tell anyone, but that sucked. Now, I can't even use that because they need the line clear for the work order. So, I'm helpless. How the heck did I survive before cell phones?!
Sent from my GT-P3110 using Tapatalk 2

Welp, as a follow up, sent the phone off to Samsung. They sent it back with an updated PRL...and it WORKS!!! :good:

bbolton_98 said:
Thanks for the update, good to know to watch for prl. Glad you got it fixed.
Cruzin' tha GS3 w/Synergy Rom & Anthrax Kernel
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Hey, no problem and thanks. I was going crazy with the old Droid X. Anyway, because of the outcome, I thought it would be a good reason to post and maybe help others. ORIGINALLY, when we first called Verizon, that's the first thing I wanted them to try. Or at least let me try. I just couldn't get past the language set up screen and the phone making calls on its own. All they would do is a factory reset. Still not sure why the phone went berserk and changed up on me. Oh well, it's back now and I couldn't be happier.