Just got my Droid 3 yesterday, and I activated it on my account. Do I need to do anything special to enable International Roaming?
All I did so far was register the device MEID to my Verizon Wireless account (I was previously using a phone that did not have global roaming). And the Droid 3 connects just fine here in the US on CDMA bands. Do I need to do anything to "register" the SIM card that came with the phone?
Thanks.
Sent from my DROID3 using XDA App
As I know you need to call VZW and activate your SIM card.
You only need to register the sim card if you plan to travel outside USA. It doesn't hurt to have SIM activated just in case. To do it, you need to call Verizon Global Support.
BTW - while in US, I strongly recommend you to switch phone to CDMA mode instead of Global as this will save you quite some battery especially if your CDMA coverage is not perfect all the time. Switch to Global only if you leave US travelling to country like Canada (where there is compatible CDMA network you can roam on). All other countries, switch to GSM/UMTS only for best battery life.
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Hello,
I have the Droid 3 with Verizon, unlocked, with verizon vodafone sim activated. I am currently in Canada, and am wondering why it will not connect to GSM/HSDPA towers.
If I go into the wireless and networks -> mobile networks -> Operator selection the phone will show me Rogers 2G, Rogers 3G, Bell, and Telus networks.
I also get this error for all three in the drop down menu, the name just changes:
No service
Selected network (CAN Rogers wireless inc. 3g) unavailable.
I have all the APN's entered for all three of those carriers, and can select them with an application named APN Manager, however none of those APN's show up in my wireless and networks -> mobile networks -> access point names. Both the vodafone APN's are unselected though.
I am looking to get on this GSM/HSDPA network, as when I am out in the country there is only 1x dial up internet on CDMA, and HSDPA available in the country.
If anyone can help me out, let me know!
Thanks much, in advance!
I have posted this exact same question at Howardforums. Here is the link to that thread:
/showthread.php/1736801-Q-Droid-3-GSM-Roaming
You will have to first go to howardforums website, then add the above part
Forgot to mention: I tried a Rogers and a Telus sim card and they both got calling service.
Not sure if Verizon has roaming agreement with any of the Canadian GSM networks. You can roam using CDMA here without any problem. I believe Telus is backing up Verizon here when it comes to CDMA.
If you want to use GSM you can put a SIM from any of the operators here (except AWS ones) and you will be fine since you have unlocked phone. Cheaper to use too, of course if using local SIM is an option for you. If you will be using local SIM you will need to define APNs or you won't get data connection. Head over Google for the settings for each of the operators here (Canada)
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leobg said:
Not sure if Verizon has roaming agreement with any of the Canadian GSM networks. You can roam using CDMA here without any problem. I believe Telus is backing up Verizon here when it comes to CDMA.
If you want to use GSM you can put a SIM from any of the operators here (except AWS ones) and you will be fine since you have unlocked phone. Cheaper to use too, of course if using local SIM is an option for you. If you will be using local SIM you will need to define APNs or you won't get data connection. Head over Google for the settings for each of the operators here (Canada)
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Thanks Leobg. I believe you are right that there is no roaming agreement for GSM, which makes sense. Verizon lady told me otherwise
This phone is going back though, as I was looking for some HSPA while in the country.
I was using Droid3 and Droid4 with Mexican SIMS, IUSACEL and TELCEL without problem. Now Im at Canada and Rogers SIM doesnt work on both phnes. I guess they are locked, can you describe me how to unlock where i do purchase unlocking codes?
reply
If you are on a contract with Verizon, you can ask them for unlock code,
Insert a sim card which it ain't accepting, enter the unlock code and its done.
Don't forget --- Settings -> Wireless & Networks -> Mobile Networks -> Network Mode -> GSM/UMTS
But I believe once unlocked, Verizon doesn't work on it.
It sounds like the SIM. Or try switching to CDMA. I think the Canadian carriers still have CDMA on their towers (used to a few years ago) and maybe that's the roaming the lady means.
I've got a an unlocked rooted VZW DE. I'm going to Europe. Is the phone SIM unlocked ?? Can I just insert a European sim card ?
IOW, does an unlocked bootloader also unlock the sim card ? Or do I have to spend an hour talking to Verizon?
Thanks,
sean
After talking with VZW, they tell me the phone comes SIM inlocked! Interesting if true. I'll find out next week.
sean
Any Verizon LTE phone should automatically be sim unlocked without the bootloader being unlocked due to Block C agreements requiring Verizon to allow any compatible phone to use the network. Since LTE is basically the evolution of GSM, most (I won't say all, because there may be an exception) LTE devices have GSM capabilities. Verizon can't legally sim lock the LTE radios, so they have just stopped sim locking global phones.
tl;dr Yes, it is by default sim unlicked. Just throw in the sim and update apn settings if necessary (they may be preprogrammed). You probably won't have LTE, but HSPA (and, I assume, HSPA+) should work fine.
Edit: I just reread and realized that you had updated the post with what I just said... You can ignore this.
No. I appreciate the background. And really pleased it confirmed what Verizon said.
Is there a list someplace of the APN s for French providers? I can just imagine trying to find it out from the kiosk manager using my French!
Sean
Sent from my XT1060 using XDA Free mobile app
I think they may have that information on the provider's website. You may want/need to plan ahead to determine what carriers are there (which you probably know already) and check out their sites, or you can probably Google '[Carrier Name] apn settings' and find it that way. I've never been in a situation to change the apn settings, but I think once you insert the new sim, the setting is available under Settings > Wireless and Networks > More... > Mobile Network Settings > Access Point Names.
which one to use at any particular time?
Just voice on Verizon - no SIM.
lightfire said:
which one to use at any particular time?
Just voice on Verizon - no SIM.
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Looks like there are 100 other people who are just like me - don't know.
It looks like this would be possible with just a switch of APN's and checking a choice under "networks" or possibly it would auto choose the APN based on networks choice. But in practical application would it work?
I know i have switched b/w AT&T, T-Mobile, and VZW and it would recognize the network. Only network that wouldn't work for me was Sprint.
Verizon LTE phones require a Verizon SIM to work with both its CDMA network and its LTE network. If a Verizon SIM is not present in one of these devices, it won't work with either Verizon's CDMA network or its LTE network.
dualityim said:
Verizon LTE phones require a Verizon SIM to work with both its CDMA network and its LTE network. If a Verizon SIM is not present in one of these devices, it won't work with either Verizon's CDMA network or its LTE network.
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Yes, my question though is, for voice only on Verizon - without SIM just CDMA activation - Can a person have both and switch easily between them by activating the 3g data - voice via phone identification no SIM required with Verizon (pageplus) and a SIM for at&t (straighttalk or redpocket).
lightfire said:
Yes, my question though is, for voice only on Verizon - without SIM just CDMA activation - Can a person have both and switch easily between them by activating the 3g data - voice via phone identification no SIM required with Verizon (pageplus) and a SIM for at&t (straighttalk or redpocket).
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Ah, interesting. I hadn't thought about using a CDMA MVNO on Verizon. I know that if you are just using Verizon, CDMA activation without SIM won't work because Verizon is using the SIM to authenticate to its CDMA network on LTE-enabled phones. But for Page Plus, you may be able to manually program the CDMA activation without using a SIM? Have you manually programmed CDMA phones to work on Page Plus in the past, and if so, how does it work?
dualityim said:
Ah, interesting. I hadn't thought about using a CDMA MVNO on Verizon. I know that if you are just using Verizon, CDMA activation without SIM won't work because Verizon is using the SIM to authenticate to its CDMA network on LTE-enabled phones. But for Page Plus, you may be able to manually program the CDMA activation without using a SIM? Have you manually programmed CDMA phones to work on Page Plus in the past, and if so, how does it work?
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Yes, I have a Moto-G activated on pageplus. I called them up, gave the ph ID then called a Verizon activation number. Worked well.
My problem is I am on the edge where Verizon works a bit better (have to walk outside and find a reception area) at my home with AT&T not picking up except occasionally. If I had the cheap pageplus plan for Verizon (not LTE) and Redpocket or straighttalk activated on AT&T it would give me a bit of flexibility if I could do it on one phone.
I just don't know if it will work. Perhaps the Nexus 6 being a LTE device won't activate on pageplus as a 3g device.
I may just activate an AT&T MVNO SIM on data and just use hangouts and hangouts dialer. Use wi-fi at home and data SIM when about. Redpocket has a T-mobile 1 GB plan for $10/month; haven't yet tried Tmobile reception. I live in a cellular black hole.
I have a sprint note 8 and ive tried to follow the guides to flash unlocked firmware and keep getting sha256 error. I put my Verizon SIM card in and it works but it is always roaming and Verizon said I don't have a phone active on my account. I don't know if there is a way to fix it and I'm super frustrated trying to flash unlocked firmware trying to fix it any help would be appreciated.
If the phone has a clean IMEI it will work on T-Mobile, Metro PCS, AT&T, Verizon Prepaid (PagePlus) or any other GSM carrier in the US and worldwide, Phone will work on Roaming State , Make sure you add your Carrier APN for the Data settings.
Sounds like you are stuck in roaming state nothing you can do about it.. I bought the unlocked model cause I figure it's best to bout be carrier locked
What do you mean by roaming state?
Surely roaming state is when user roams onto a different network other than their own. Example, T Mobile customer travels to Spain and roams onto Mobistar Spanish cell network using his or her existing T Mobile sim card regardless of what the device is.
Perhaps that's how it works between the two USA cdma carriers? - the way you mentioned it.
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Limeybastard said:
What do you mean by roaming state?
Surely roaming state is when user roams onto a different network other than their own. Example, T Mobile customer travels to Spain and roams onto Mobistar Spanish cell network using his or her existing T Mobile sim card regardless of what the device is.
Perhaps that's how it works between the two USA cdma carriers? - the way you mentioned it.
Sent from my SM-N950U using Tapatalk
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So fp r short you are using sprints towers on Verizon's network is what I believe read below
roaming is a term used to describe the ability of phones to connect to the network of a different carrier, abroad or at home in order to offer users the same features they use while on their “home” network – making and receiving calls and text messages and surfing the web. Roaming is possible thanks to the international agreements carriers have with other carriers, in order to offer their wireless services in other regions of a country or of the world.
So I got a Chinese edition phone with band 2, 4, 5, 12, and 17 to fully support both TMobile and ATT network. The Global edition was missing band 17 for ATT so I didnt want to go that route. Been going back and forth with ATT a bit for the past few days since my device came in. The phone shows up and an "unknown device" on their network when we tried adding the IEMI. It will get UMTS (2g) and HSPA+ (3Gish/4G), but will not connect to any LTE or GSM. The phone supports GSM fine, so its strange that it wont do normal cellular connection over that, it will only do cellular over UMTS. The device wont detect as an LTE device and so the sim wont activate LTE on it.
Anyone else with ATT have this issue? And were you able to resolve it somehow?
Or those with TMobile in the US, are you able to activate the phone fine and get full coverage and LTE working?
I messed around with the connection settings in the *#*#4636#*#* menu. Only the "LTE/TD-SCDMA/UMTS" and "LTE/TD-SCDMA/WCDMA" will work properly at all. Both options give me UMTS for cellular, and HSPA+ for data. Of the 4 APNs that ATT uses, only the "ATT Phone" will work at all. The standard LTE APN "NXTGENPHONE" will leave the phone with no data or cellular service. This is related to the phone not being detected as an LTE device and the SIM not activating as such.
I simply put my AT&T sim in my China version and it worked straightaway. I didn't have to do anything else.
I am on Cricket, which leases service from AT&T, so I should know if it works once it comes Tuesday.
Just for perspective, I got a EU version of the Mi 9. Popped in a T-Mobile sim and it worked out of the box. Try the other sim slot. Could be your sim card if not.
Try these codes in Dialer. See if that helps anything.
VoLTE *#*#86583#*#*
VoWIFI *#*#869434#*#*
I was just making an ATT account so no previous activations or sims. So that could be the issue. I will try activating a sim with an old phone and then move the sim over. Or since it is the same hardware as a Galaxy S10, ill see if I can find a store that will activate a sim with a floor model S10 and then let me swap the sim into my Mi 9
Straight talk (ATT sim) lte without issue. no programming necessary , I have the global model though
jvs60 said:
I simply put my AT&T sim in my China version and it worked straightaway. I didn't have to do anything else.
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airwebber said:
I am on Cricket, which leases service from AT&T, so I should know if it works once it comes Tuesday.
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MixEvo said:
Straight talk (ATT sim) lte without issue. no programming necessary , I have the global model though
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Where did you guys buy the China version from?
US mobile white SIM from starter kit (T-Mobile) works well with LTE on Chinese model of Mi 9. Black one (Verizon) technically works, registers in the network and enables data, but Verizon refuses the IMEI as non-certified brand of the phone. Trick with activation on the iphone first and switching to xiaomi did not work, service gets cut off, when trying to make a call, it keeps dropping. AT&T based: Cricket and Straight Talk work just fine too.
---------- Post added at 06:15 AM ---------- Previous post was at 06:14 AM ----------
StDevious said:
Where did you guys buy the China version from?
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Aliexpress https://www.aliexpress.com/item/Ori...222.html?spm=a2g0s.9042311.0.0.58b14c4dxws9df
You'r welcome =)
StDevious said:
Where did you guys buy the China version from?
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I bought my Transparent Edition from Tradingshenzhen.com
Neolo said:
US mobile white SIM from starter kit (T-Mobile) works well with LTE on Chinese model of Mi 9. Black one (Verizon) technically works, registers in the network and enables data, but Verizon refuses the IMEI as non-certified brand of the phone. Trick with activation on the iphone first and switching to xiaomi did not work, service gets cut off, when trying to make a call, it keeps dropping. AT&T based: Cricket and Straight Talk work just fine too.
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Thanks for the info.
I was wondering about Verizon, since it support some CDMA bands and support 2 out of 3 of the LTE bands they use (doesnt support B13). Unfortunately I never tried it myself since half the coverage near me uses the band this phone doesnt support on Verizon.
I went and got my ATT account updated to an old Nexus 6 IMEI number and it got LTE on the N6. I then took the sim and put it in my Mi 9 and now the Mi 9 has LTE. So for anyone just getting this phone, you must have an IMEI on your account that is recognized as an LTE phone. If you try to add the IMEI of the Mi9 it is not recognized by ATT and wont provision LTE.
IMEI spoofing does not work with Verizon, as they simply ban the device. They call it “non certified”. Bands are seem ok.
StDevious said:
Where did you guys buy the China version from?
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I been purchasing from liaow. Never ran across a issue with them
I've been having the same issue, with a recently-bought (last week arrived) Mi 9 Global on AT&T postpaid. LTE showed up and worked fine day one, now network speeds are dropped down to 3.5G speeds. Anyone else have success with getting LTE on a fresh SIM?
EniGmA1987 said:
So I got a Chinese edition phone with band 2, 4, 5, 12, and 17 to fully support both TMobile and ATT network. The Global edition was missing band 17 for ATT so I didnt want to go that route. Been going back and forth with ATT a bit for the past few days since my device came in. The phone shows up and an "unknown device" on their network when we tried adding the IEMI. It will get UMTS (2g) and HSPA+ (3Gish/4G), but will not connect to any LTE or GSM. The phone supports GSM fine, so its strange that it wont do normal cellular connection over that, it will only do cellular over UMTS. The device wont detect as an LTE device and so the sim wont activate LTE on it.
Anyone else with ATT have this issue? And were you able to resolve it somehow?
Or those with TMobile in the US, are you able to activate the phone fine and get full coverage and LTE working?
I messed around with the connection settings in the *#*#4636#*#* menu. Only the "LTE/TD-SCDMA/UMTS" and "LTE/TD-SCDMA/WCDMA" will work properly at all. Both options give me UMTS for cellular, and HSPA+ for data. Of the 4 APNs that ATT uses, only the "ATT Phone" will work at all. The standard LTE APN "NXTGENPHONE" will leave the phone with no data or cellular service. This is related to the phone not being detected as an LTE device and the SIM not activating as such.
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Click to collapse
I got the Chinese version and I'm in the US. And I I have the straight talk T-Mobile sim and everything works like it is suppose to expect my internet. It says its 4g but it is very very slow. Any ideas?