Hi guys,
I own a Japanese Z2, originally by docomo (SO-03F) and flashed the English firmware I found in this forum (not sure for which area tho), except obviously the modem which I needed to use the docomo SIM.
I came back to Europe, unlocked the phone through an online service which worked fine but none of my SIMs can get a signal or behaves very weirdly.
I tried flashing the modem from the ROM I used before but then I couldn't get any reception and looking for networks through settings didn't show anything. With the Japanese ROM modem, I can find networks if I look manually but I can't connect to them. It shows "Selected network unavailable" and or "Can't connect to network at this time." after selecting the correct one.
I tried fiddling with the settings, different network types etc in the normal menu and in the one accessible through entering *#*#INFO#*#* but nothing helped. The phone number in the menu is shown correctly. As preferred network type, LTE/GSM/CDMA auto (PRL) is selected.
I have an older sim card in the right format which can't connect (works fine in other phones) but SOMETIMES I get like 2 bars for a few minutes. It's for phonecalls and SMS only. The internet only card I have is smaller so I need an adapter and won't connect at all. Is there something I can do about this?
Thanks a lot!
Related
Hello,
I have an unlocked AT&T motorola atrix 4g mobilephone in Spain. If I put inside it a Vodafone SIM card I can connect to the internet (3G) without any problem after setting the APNs, but when I try it with a Euskaltel SIM card (an Spanish virtual mobile network provider that uses the Vodafones network) I can't connect to the internet (3G) even if I set the correct APNs.
The problem is not the SIM card because it works in a Nexus S after setting the APNs, and as I have said, the Atrix also connects to the internet with a Vodafone SIM card. But Euskaltel+Atrix doesn't work.
The wierd thing is that after I set the APNs, or activate the internet roaming, sometimes appears the arrows that it is connected but just for a few seconds and then dissapear, but even with the arrows if I open quickly the web browser it claims that doesn't have internet connection.
I have tried with other ROMs and the same thing happens, and also with an AOSP ROM like CM7 beta, there is no way to make it work.
Does any one have any kind of clue to solve this?
Regards and thank you
gonzalobf said:
Hello,
I have an unlocked AT&T motorola atrix 4g mobilephone in Spain. If I put inside it a Vodafone SIM card I can connect to the internet (3G) without any problem after setting the APNs, but when I try it with a Euskaltel SIM card (an Spanish virtual mobile network provider that uses the Vodafones network) I can't connect to the internet (3G) even if I set the correct APNs.
The problem is not the SIM card because it works in a Nexus S after setting the APNs, and as I have said, the Atrix also connects to the internet with a Vodafone SIM card. But Euskaltel+Atrix doesn't work.
The wierd thing is that after I set the APNs, or activate the internet roaming, sometimes appears the arrows that it is connected but just for a few seconds and then dissapear, but even with the arrows if I open quickly the web browser it claims that doesn't have internet connection.
I have tried with other ROMs and the same thing happens, and also with an AOSP ROM like CM7 beta, there is no way to make it work.
Does any one have any kind of clue to solve this?
Regards and thank you
Click to expand...
Click to collapse
Try creating a new apn & call the first field "euskaltel" & the second one "internet", leave the rest as they are, click save & activate it. That worked for me a couple of months ago with a yoigo card.
It doesn't work, but thank you anyway
I picked up an unlocked TMo One in New York last week. I used it there with my Norwegian SIM with no problems.
Back home, I get "No Service" using the exact same SIM-card. Using the *#*#INFO#*#*-menu, I can see the SIM-card is recognised because it displays my carrier in the "Current Network" field. I am suspecting the TMo-infused Sense OS to reject my card, since to my understanding the phone is compatible with EU networks. Will i be fine if i flash another ROM, like the stock GPe, and get rid of the TMo-stuff altogheter, or is there another rock in the road here?
I used my Tmobile HTC One with the stock ROM in Norway using a Telenor SIM and in Greece using a Vodafone SIM.
I would make sure you have the proper APN info (I can't remember the appropriate one for the Norwegian carriers). I believe it should work without issues (mine did). If it worked with that SIM card already, it's not locked and it's not rejecting it.
Also, I found that when I returned home to the US, I had to choose Settings -> Mobile Data -> Network Operators and choose Select Automatically (even though it was already chosen). Maybe you need to do that too.
Currently I am running Android Revolution and that also works fine with my Norwegian and TMOUS SIM cards.
Good luck!
Thanks! I've at least made some progress. I tried setting Network Selection to automatic, and got reception, however only for about half a minute. I then tried adding my provider's APN info. This has given me permanent data connection, but still no GSM reception for texts and phone calls. I do get 2g data when in low coverage areas. I am finding this weird. Can anyone shed some light?
Okay. Just wanted to post my latest findings - if others are experiencing the same issue. I've flashed the latest Google Edition RUU, to see if the TMo ROM was causing it. But i still don't get GSM coverage. Data still connected on both 2G and 3G (haven't been within 4G coverage yet..)
When flashing I also updated firmware to latest.
Phone info says Current network: "NetCom" (my home network) GSM service: "Emergency Calls only" (I tested this, and I am able to place the call to emergency services) and GPRS service: "Connected" (I am typing this on my data connection via WiFi-tethering, actually)
The status menu shows this: Service state "Out of service" and My phone number "Unknown".
If anyone can come up with a theory, I am all ears..
laberkis said:
Okay. Just wanted to post my latest findings - if others are experiencing the same issue. I've flashed the latest Google Edition RUU, to see if the TMo ROM was causing it. But i still don't get GSM coverage. Data still connected on both 2G and 3G (haven't been within 4G coverage yet..)
When flashing I also updated firmware to latest.
Phone info says Current network: "NetCom" (my home network) GSM service: "Emergency Calls only" (I tested this, and I am able to place the call to emergency services) and GPRS service: "Connected" (I am typing this on my data connection via WiFi-tethering, actually)
The status menu shows this: Service state "Out of service" and My phone number "Unknown".
If anyone can come up with a theory, I am all ears..
Click to expand...
Click to collapse
Have you tried taking the phone to your provider? Maybe you need an update which or setting which they can provide.
I find it strange that it wouldn't recognize your phone number, usually that's a sign of some type of incompatibility with the phone and the network.
Sent from my HTC One using Tapatalk 2
I have contacted my provider to see if there's anything they can do. But they're playing a little hard to get.. I was afraid there would be an issue with compatibility at first, by since my data connection is all right, I'm not so sure. Also erdelyt above here says he has used the TMo phone in Norway without trouble. He has another provider, however. They run their own network, so I will be trying with one of their SIM cards next, if my provider NetCom aren't of any help. Thanks for your help so far. I'll be posting my findings further!
So, I got to try a Telenor SIM card the other day, and the issue is still there. Although, with that card the phone number was read and displayed in the phone info menu. The owner of the card suggested there was an unlock issue - but I did make calls with my phone and SIM card in the US, so I don't see how that could be.
So that's a small step further, but now I just have to wait to see what my carrier says..
I changed the title for this thread after my findings.. I got a new SIM-card for my carrier, and i got coverage to make one phone call, but after i hung up, it was gone. I am really in the dark here.. It can of course be a hardware fault, but that's a bit strange for an entirely new product..
Phone specs out of the way first: GT-i9300, Android 4.3 (via OTA), sim unlocked, not rooted, Baseband i9300UBUGNF1, Kernel 3.0.31-2320216, and the IMEI matches the frame.
So I've got a problem that's very similar to a lot of other people with one or two exceptions. I get the "Mobile Network Not Available" error message and I've tried the suggested fixes except for the Ariza patch and I haven't tried changing my modem. I don't want to jump into either of them yet because I'm not sure my problem is the same as all the others. Here's why:
When I go to set the network manually via Settings > More Networks > Mobile Networks > Network Operators > Wait till your device is searching for operators. Once the search is done it will show a list of Network Operators ... Nope, not mine. Mine shows nothing and goes right back to the menu showing Search Networks and Select Automatically. Tapping Search Networks brings the same result. If I set the Network Mode on the previous menu to GSM only, it takes less time to search, but still returns nothing.
Also, I don't have any bars. Not as in having bad signal, but as in there is no signal strength indicator in the status bar. Instead, I have a circle with a line through it next to the battery level indicator. I can not even make emergency calls with the phone.
I haven't found anyone with this particular problem yet, even though I've been searching all day. Perhaps I'm not searching for the right thing?
I've tried an old ATT sim and an active GivMobile sim, both with the same results. Both sims will register networks on other phones. I started out on 4.1.2 and did the OTA updates to get to 4.3 with no change in symptoms. I did a factory reset before doing the updates. I've never had a custom ROM on the phone. The IMEI doesn't show up as blacklisted on any site I used to check it. I even went as far as replacing the SIM card reader.
Could my antenna be bad? Could I have the wrong modem for the networks I'm trying to get onto? Any opinions or direction would be greatly appreciated.
DrvLikHell said:
Phone specs out of the way first: GT-i9300, Android 4.3 (via OTA), sim unlocked, not rooted, Baseband i9300UBUGNF1, Kernel 3.0.31-2320216, and the IMEI matches the frame.
So I've got a problem that's very similar to a lot of other people with one or two exceptions. I get the "Mobile Network Not Available" error message and I've tried the suggested fixes except for the Ariza patch and I haven't tried changing my modem. I don't want to jump into either of them yet because I'm not sure my problem is the same as all the others. Here's why:
When I go to set the network manually via Settings > More Networks > Mobile Networks > Network Operators > Wait till your device is searching for operators. Once the search is done it will show a list of Network Operators ... Nope, not mine. Mine shows nothing and goes right back to the menu showing Search Networks and Select Automatically. Tapping Search Networks brings the same result. If I set the Network Mode on the previous menu to GSM only, it takes less time to search, but still returns nothing.
Also, I don't have any bars. Not as in having bad signal, but as in there is no signal strength indicator in the status bar. Instead, I have a circle with a line through it next to the battery level indicator. I can not even make emergency calls with the phone.
I haven't found anyone with this particular problem yet, even though I've been searching all day. Perhaps I'm not searching for the right thing?
I've tried an old ATT sim and an active GivMobile sim, both with the same results. Both sims will register networks on other phones. I started out on 4.1.2 and did the OTA updates to get to 4.3 with no change in symptoms. I did a factory reset before doing the updates. I've never had a custom ROM on the phone. The IMEI doesn't show up as blacklisted on any site I used to check it. I even went as far as replacing the SIM card reader.
Could my antenna be bad? Could I have the wrong modem for the networks I'm trying to get onto? Any opinions or direction would be greatly appreciated.
Click to expand...
Click to collapse
flash Modem DDEMG2.zip to get your imei. Then flash Patched_XXUGMK6_modem.zip to get mobile signel :good:
Modem DDEMG2.zip - http://d-h.st/2mC6
Patched_XXUGMK6_modem.zip - http://d-h.st/j3h
DrvLikHell said:
Phone specs out of the way first: GT-i9300, Android 4.3 (via OTA), sim unlocked, not rooted, Baseband i9300UBUGNF1, Kernel 3.0.31-2320216, and the IMEI matches the frame.
So I've got a problem that's very similar to a lot of other people with one or two exceptions. I get the "Mobile Network Not Available" error message and I've tried the suggested fixes except for the Ariza patch and I haven't tried changing my modem. I don't want to jump into either of them yet because I'm not sure my problem is the same as all the others. Here's why:
When I go to set the network manually via Settings > More Networks > Mobile Networks > Network Operators > Wait till your device is searching for operators. Once the search is done it will show a list of Network Operators ... Nope, not mine. Mine shows nothing and goes right back to the menu showing Search Networks and Select Automatically. Tapping Search Networks brings the same result. If I set the Network Mode on the previous menu to GSM only, it takes less time to search, but still returns nothing.
Also, I don't have any bars. Not as in having bad signal, but as in there is no signal strength indicator in the status bar. Instead, I have a circle with a line through it next to the battery level indicator. I can not even make emergency calls with the phone.
I haven't found anyone with this particular problem yet, even though I've been searching all day. Perhaps I'm not searching for the right thing?
I've tried an old ATT sim and an active GivMobile sim, both with the same results. Both sims will register networks on other phones. I started out on 4.1.2 and did the OTA updates to get to 4.3 with no change in symptoms. I did a factory reset before doing the updates. I've never had a custom ROM on the phone. The IMEI doesn't show up as blacklisted on any site I used to check it. I even went as far as replacing the SIM card reader.
Could my antenna be bad? Could I have the wrong modem for the networks I'm trying to get onto? Any opinions or direction would be greatly appreciated.
Click to expand...
Click to collapse
"(via OTA)" means you have samsung's original ROM?
Reflashing a Samsung-based ROM fixed my IMEI problem some months ago. I don't know if you are on a custom or original ROM, if it is a custom ROM I believe that you already know the process...
Revolution HD 53 is a great custom samsung-based ROM and fixed my issues. Be careful on what you flash, if you're going to do this
Im having the same problem as you had. Just wondering if you found out how to fix your phone. Ive a samsung j3(2016) SM-J320FN. Got a new sim the other day and have been trying everything to get service, restored to factory setting but nothing seems to be working. Like you nothing came up in network operators. Sim works fine in other phones. If anyone can shead some light on the suituation please feel free to reply
I love this phone....there, I said it. But it's driving me crazy.
I bought it from a Chinese retailer, who shipped it with X821 firmware, but the box states that it's an X820. I doubt there is any difference in the hardware.
I would have left everything as it was, but I can't seem to make phone calls (don't have a data plan yet...yeah, I know....) with anything other than 2G, and that is about to go extinct. When I set it to WCDMA, it shows a UMTS connection, with no carrier designation, but the tower is the same one I connect to with 2G. The phone does sometimes show an AT&T 3G connection in the status bar, but I can't make calls, even though I have full signal. When I place the same SIM in my old HTC Inspire, the same monitoring app shows "UMTS - AT&T HSDPA+" and works just fine.
I'm at my wits end. I have rooted, installed TeamSpain recovery, replaced the firmware with the X829 and even tinkered with the frequency configurations through DFS Studio (which did a lot of complaining, and I'm still not sure if the changes stuck 100%). I also played with APN settings and tried the SIM in different slots, both alone, and with another SIM. And after all of that, still no progress in getting this phone to use a 3G or 4G connection to make calls. If I don't set it to "GSM only", no phone calls in or out. I'm essentially right under a tower, so signal shouldn't be an issue.
If anyone is using the same provider in the US, and is not having these kinds of issues, I'd really appreciate hearing what firmware you are using, and/or what you did to get things working.
I am using it on x820 with official stock 0.17s firmware, and did a dirty flash to cuoco92's 17s firmware. Everything works including HD voice calls, and full LTE.
xterminater07 said:
I am using it on x820 with official stock 0.17s firmware, and did a dirty flash to cuoco92's 17s firmware. Everything works including HD voice calls, and full LTE.
Click to expand...
Click to collapse
I tried this, as well as the Remix ROM. In fact, I think I've tried just about everything, without success. At one point, I had one of the apps indicating a 4G connection, but the phone diagnostics showed GSM (2G). Even the apps aren't all sure what to make of what's going on with the connections reported by this phone.
Currently on the cuoco92 v35 ROM. When WCDMA is enabled, I see simply a good UMTS connection , sans carrier name, in the "Network Cell Info Lite" app, and no ability to make calls. I also often (but not always) see the "AT&T 3G" sign. 4G or LTE never shows at all, even though the diagnostics show that the phone is communicating with an LTE transmitter, when preferred network is set to "unknown". It won't even let me set things like "LTE only".
Any chance you could set your phone to WCDMA and see what the "Network Cell Info Lite" app shows you? Anyone else with this phone on AT&T?
BTW, I am now using a data plan, which I thought might make a difference. It doesn't. EDGE data only for me . New SIM card is on the way, but my hopes aren't high.
Is it possible for a Chinese seller to have borked the phone so thoroughly with their x821 ROM (it's an x820 marked phone), that it keeps any subsequent radios from flashing properly? I don't know how/why it would work for some and not others.
Starting to really dislike this "phone"......it's more of tablet at this point.
Thanks.
I think APN is not set for AT&T
try this:
"Main steps
To use data services on our network with a non-AT&T device, you may need to program the data settings. The sections below provide the correct settings and steps for programming based on your device type and operating system.
.
Access the Settings menu.
Locate and select Wireless & Networks or More Networks.
Select Mobile Networks.
Select Access Point Names.
Locate and select the option to add a new APN. This is usually accessed by a + symbol on the screen or by tapping the menu button.
Program each field using the settings below.
Save the changes to return to the APNs menu and select the new APN.
Name ATT Phone
APN phone
Proxy Not set
Port Not set
Username Not set
Password Not set
Server Not set
MMSC
MMS proxy
MMS port
MCC 310
MNC 410
Authentication Type None
APN type default
APN protocol IPv4
Bearer Unspecified
Note: If you are unable to program your device following the steps above, refer to your user manual or contact the manufacturer for assistance."
Cadet_C said:
I think APN is not set for AT&T
Click to expand...
Click to collapse
Thanks, but I wish it were so simple. I have tried this, and other APN settings. None work to get this phone to be usable on anything other than 2G.
I just received and activated the replacement SIM. Still no improvement. While typing this, I have Network Cell Info Lite app running, and with the Set Preferred Network Type showing "Unknown" in the phone's diagnostic screen, It will switch randomly between "EDGE AT&T" (which works fine) and "UMTS -" (which is useless). Both have strong signals. For a split second before it switched to "UMTS-", the app showed "GPRS AT&T", but only for a split second before it kicks over to "UMTS-".
I wish someone using this "phone" on AT&T in the US, would run this app to compare notes. It may be that that the phone works fine on a full implementation of LTE (i.e. in locations where AT&T have already deprecated 2G) but not in other areas. Still, that doesn't seem to explain why this phone seems unable to register on the same 3G network, used easily by my other phone, with the very same APN settings and SIM.
You would have to call att and check if they turned our phone on to use lte. If your phone is not "registered" as an LTE capable phone it wouldn't be able to pick it up. This phone has all the bands needed for AT&T because I am using it now. All LTE work straight out the box, and i'm on the latest 19s cn rom
xterminater07 said:
You would have to call att and check if they turned our phone on to use lte. If your phone is not "registered" as an LTE capable phone it wouldn't be able to pick it up. This phone has all the bands needed for AT&T because I am using it now. All LTE work straight out the box, and i'm on the latest 19s cn rom
Click to expand...
Click to collapse
I'm a bit confused. Is this what you did to achieve proper function of this device? I.e. calling AT&T and getting them to do this for you? My conversation with their tech person didn't seem to bear fruit in this regard.
Also, which slot do you have the SIM card in? I've used the stock 17s and now on cuoco92 v35 ROM. There definitely seems to be a difference in how the network settings behave, based on the location of the SIM. At one point, after selecting BAND 6 (when it would let me), the phone showed a constant "AT&T 3G" connection, but it was useless. No calls and no data.
My H961N does not allow me to independently set my network band for each sim card. Both my network providers operate on 2G/3G/4G however since I have gotten this V10 I have had inconsistent network usage. At first I would strongly get one network and the other would mostly be on Emergency Calls when indoors depending on where I was. I used the hidden menu code *#546368#*961#-> Field Test -> Modem Settings, from Modem Settins I have tried to set the RAT Selection and the Network Mode however when I check Engineering Mode both sims show the same band if I am on WCDMA Only or GSM Only but neither provider operators on the same band except for one on 3G. If RAT is set to selectively move between two or more frequencies then one sim shows Invalid Band in Engineering Mode. Using Network Mode I have tried to set each sim to different band but both would either show the same band or one would appear invalid under Engineering Mode.
Another Issue I have is I am unable to use data even though I have the correct APN for both of my Network Providers. I have verified that both sims do work when used in another phone, at one point I visited both Providers but none could give me an answer to my issue. One of my Providers did however try and activated a data plan while I was in their office and the V10 did show 3G and received data however upon returning back to my regular surroundings I no longer got any data. I have tried upgrading the V10 to Marshmallow and Nougat but the upgrade did not solve this problem, neither the one I stated before. But on Nougat both my sims did show 3G but strangely only when I have my Wifi active and using a VPN. Currently I am on Lollipop and rooted I considered trying to flashing a qcn, sec and nvm files since I saw a site listing them as fixing network and data issues on this particular phone, I have the files just in case. Any help would be greatly appreciated.