I have a G900R6 that came from Cellcom. They claim their phones to not be locked at all. I finished the contract with them, paid it in full and installed the new Cricket SIM while at the Cellcom store. It connected to the mobile network, properly made a phone call, and received text messages from Cricket. Less than 5 minutes later the device received a system message from Cricket to install the APN data, text, and mms data. I installed all 3. It still shows connected to AT&T network and can receive texts from the cricket system. I does not connect to the mobile network, cannot send a text, and when trying to make a call it instantly says "No SIM or SIM error". It worked fine prior to receiving the APN information from Cricket. That may only be coincidence but I don't believe the data looked correct. There is however no area to change the APN data under mobile networks. The whole section is missing. Is there another way to view or edit this information to see what is currently stored? This must be saved in a file somewhere.
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I have been having problems for quite a while with receiving MMS messages and sending them as well. I am on a monthly pay as you go plan with no data and i am out of the tmobile network, (roaming still in US) but with my previous phone (sidekick 4g), I was able to send and receive MMS messages if i had wifi calling on. Now that trick doesn't seem to work but once every good while. All I get is the download option then my bars will get that "x" over them to signify no coverage and wifi calling will turn off and after a while start again and no progress will be made in the download process. I have tried having both national and international roaming on and neither seem to make a difference. I havent made any tries to change the apn settings. Could anyone help me solve my dilemma? Thanks any help will be greatly appreciated.
Sent from my HTC Vision using XDA
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Sent from my HTC Vision using XDA
Even though you're on a pay-as-you-go plan, you'll still need data enabled to send/receive mms messages. Otherwise you'll receive the message but never be able to download the attachment. My phone is on a plan without data, but I still have to enable data in order to send and receive MMS messages. I also need a good amount of signal (it has to be practically full signal) for it to go through. As far as my experience goes, you can't send or receive MMS messages while Wi-Fi Calling is enabled. Your signal bars show no signal because your phone is switching between Wi-Fi Calling and mobile radio. As for APN setting, I'm not sure which ones do and don't work. Whenever I have issues with MMS, I look up the values and re-set them.
TL;DR Just enable data and give it a try.
vicmora5 said:
I have been having problems for quite a while with receiving MMS messages and sending them as well. I am on a monthly pay as you go plan with no data and i am out of the tmobile network, (roaming still in US) but with my previous phone (sidekick 4g), I was able to send and receive MMS messages if i had wifi calling on. Now that trick doesn't seem to work but once every good while. All I get is the download option then my bars will get that "x" over them to signify no coverage and wifi calling will turn off and after a while start again and no progress will be made in the download process. I have tried having both national and international roaming on and neither seem to make a difference. I havent made any tries to change the apn settings. Could anyone help me solve my dilemma? Thanks any help will be greatly appreciated.
Sent from my HTC Vision using XDA
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Click to collapse
I have T-Mobile as well. If you watch closely when receiving an MMS, you will see that although WiFi calling is enabled, the mobile data indicator will show up and transfer the data.
As far as APN settings are concerned, it has no effect on WiFi calling. If you can receive MMS when connected to mobile data then your APN settings are correct.
FBA21 said:
I have T-Mobile as well. If you watch closely when receiving an MMS, you will see that although WiFi calling is enabled, the mobile data indicator will show up and transfer the data.
As far as APN settings are concerned, it has no effect on WiFi calling. If you can receive MMS when connected to mobile data then your APN settings are correct.
Click to expand...
Click to collapse
The thing is that I do have my data enabled and i do see the indicator showing the data transfer but its usually a "G" and the arrows neither go up or down, but its really strange yesterday I was able to test it out and I was able to recieve an MMS but I tried sending one right after and nothing happened. I will probably recieve the failed to send message later on today. I was just hoping there was a fix to this. And as far as I have seen with experimenting with it, WiFi calling must be enabled for me to send or recieve MMS if not I get the message of could not send or could not download right away
Help Please!!!
I purchased a used note 3 verizon n900v and a straight talk verizon sim.
it showed it would work on their website, and confirmed over the phone.
once activated the phone had 3g/lte depnding on where it was at, varying from 1 to all bars.
calls are fine but no data for internet, or mms.
I tried editing the apns, but they were grayed out.
i edited the files to enable apn changes but everytime it goes back to the default verizon.
i called st customer service and with their recommended settings now the phone has no signal or data, and to make matters worse i deleted the old apns, and when itry adding new i click save and they disappear.
what do i do?
thanks in advance for any help you can provide.
"Unlocked" Verizon Samsung Galaxy S4 to Tmobile switch - cannot send text messages
Please! HELP!!
I switched from Verizon to Tmobile and my stupid phone updated to Lollipop 5.0.1 and now I can't send text messages without calling Tmobile and having them send a signal to reprovision my phone EVERY time after it reboots (which I have to do EVERY day now that bluetooth sucks so hard and randomly stops all the time in Lollipop).
Before I accidentally hit the button to update, my phone would show my Verizon voicemails waiting in the notification area and say "No Service" until I called my voicemail and let it disconnect, to which effect it would seem to go to no signal to nothing to HSDPA to plus to 4G LTE and BAM! I'd be on Tmobile able to send texts and all (before which I could NOT send texts, but COULD receive them (IIRC), and make phone calls (WITHOUT dial tones being accepted (which seemed to be fixed in Lollipop by selecting long press tones in the phone settings), and I COULD browse the web, etc.).
NOW, that little workaround does NOT work anymore and I have to call Tblowbile to send that magical signal to my phone (which doesn't seem to take all the time for all people for some reason).
I DO have the APN entered correctly (as stated on their website) and setting the phone to and from global to global/lte/gsm and selecting tmobile as the mobile network in the settings does NOT work.
I GUARANTEE it is that stupid GRAYED OUT Verizon APN that I CANNOT remove that is causing ALL these problems (given the nature of the phone post-reboot on KitKat).
PLEASE, tell me how to delete that stupid VZW APN or how to downgrade to KitKat or of another workaround other than having to call the deceptive, bait and switch company that is Tmobile EVERY time!
I'M DESPERATE!
PLEASE, HELP!
You can't. The bootloader is locked on Verizon, which prevents root. They've also apparently blocked access to the APNs in firmware.
Your options? Head to the XDA Verizon S4 forums and check out their various guides.
P.S. T-Mobile is not pulling a bait and switch here. They are providing you with service, which is what you paid for. They have no control over the OTA function of the device. Unless you have proof that T-Mobile is baiting and switching, your comment is slanderous/libelous.
I'm seriously thinking about picking up this phone (I asked a question related to Android for Work a few days ago), but want to make sure I know what I'm getting. I have a question regarding receiving MMS on whichever SIM is not set to default for LTE. I believe I understand how data works regarding the dual sim setup on the phone -- both sims have the ability to connect to LTE, but only one sim can connect at time. The non-LTE set sim will only connect to 2g/3g for voice/text (no data even if connected to 3G, correct?).
My question is very specific: If I have LTE set to, say, sim 1, what happens if someone sends a MMS based group message to me on sim 2? I figure one of 3 things happens:
1. The MMS is downloaded and received automatically (whether through 2G/3G on SIM 2, or that somehow SIM 2 switches to LTE in the background so that it can download the MMS)
2. The MMS is not downloaded, but SIM 2 receives a sms notification that an MMS is ready for download (which would be done by either just tapping download to make the phone switch LTE to SIM 2 in the background, or by manually switching the LTE to SIM 2, then tapping download)
3. There is no indication on the phone that an MMS has been sent to SIM 2, and I either miss it completely, or only see it if I just happen to switch LTE to SIM 2 at some later date (before the expiration date, anyway).
Can anyone help to clarify this for me? I can live with options 1 or 2, but 3 would be difficult to live with. SIM 2 would be for work, and MMS-based group messages are sent out when urgent issues come up (work in IT, and I am on call often).
Thanks!
I got an answer elsewhere so I figured I put it here:
"I wish there was a better way they could've done this. When you get a mms on the "non data" SIM- it will give you a notification if you want to download it. When you eventually agree- it temporarily changes to that SIM's data to fetch.
Both SIMs have LTE so that's not a problem. Group texts are kind of a nightmare when it comes to the non data SIM."
If this helped you, head over to Reddit and thank the poster:
https://www.reddit.com/r/zenfone2/comments/43pm6m/slug/czkczb4
After a restart or boot up I cannot receive calls and cannot send or receive text until I make a call. After making a call I can send and receive text and receive calls. Everything else works fine before the call. I have had this issue with 2 different sim cards, Page Plus and now Total wireless, both on Verizon network and this is a Verizon phone, with Nougat v 7.0, no root. I have a Verizon sim card and put in and the phone connected to the network like it should. Here is the kicker, I have 2 of these phones and both are doing the same thing with Page Plus and now Total wireless sims, not connecting to the network until a call is made from the phone.
Things I have tried :
reset network
reset phone to original state
safe mode to see if an app was causing the issue
cleared phone cache
changes network mode to LTE/CDMA
Access point is: TRACFONE.VZWENTP
Total Wireless wants to change sim card. It's possible, but I doubt 2 different sim cards from 2 different companies are at fault.
Verizon never heard of this, at least at a corporate store and tech won't talk to me.
Samsung wants me to send the phones in but at my expense.
I am out of ideas and can find nothing on the internet about this issue. I believe that it is a setting in the phone since the Verizon sim card connected like it should. If this has been addressed please point me in that direction. Thank you for your time.