[Q] Use your own carrier with Motorola Xoom? - Xoom Q&A, Help & Troubleshooting

If you bought the WiFi-Only version of the Motorola Xoom, can you use your own SIM card to get 3G/4G data working on another wireless carrier? I really wanted the 3G version, but I did not want to sign up for a contract with Verizon Wireless. Or is the hardware incapable of supporting a 3G/4G Upgrade on the WiFi-Only version?
The Verizon data contract was just ridiculous. They wanted 20 dollars a month for 1GB of data, then 20 dollars more for each GB. I barely use my Comcast internet at home and easily hit 50GB a month with it. I'd much rather get some "Pay As You Go" data plan from another company and use their SIM card. I am sure this is not possible, but I thought I would ask anyway.
Thanks Guys!

I am wondering the same thing. Could we install a 3g card like the att 881u in the pci slot?
Sent from my MB860 using Tapatalk

In theory it would be possible, but then you are looking at coding an entire framework and driver lib for what ever card you get installed, if the Wifi Only board even has a slot of anything.
But if you have just metric tons of extra time on your hands, it would be better spent trying to convince Google to give us source for HC.

So Hawk2k8 posted a guide on how to get the 3G Xoom to work on another carrier. http://forum.xda-developers.com/showthread.php?t=1016158
My question is, if we buy a Verizon 3G SIM card, can we use it on our WiFi only Xoom? What are the differences between the 3G version and the WiFi version? Can we activate 3G on our WiFi-Only version by flashing it with the 3G image?
Thanks!

jonnirage said:
So Hawk2k8 posted a guide on how to get the 3G Xoom to work on another carrier. http://forum.xda-developers.com/showthread.php?t=1016158
My question is, if we buy a Verizon 3G SIM card, can we use it on our WiFi only Xoom? What are the differences between the 3G version and the WiFi version? Can we activate 3G on our WiFi-Only version by flashing it with the 3G image?
Thanks!
Click to expand...
Click to collapse
There is no such thing as a VZW 3g sim card. VZW's 3g runs on CDMA Evdo, which doesn't use any sim cards.
I assume you're referring to the LTE sim card, which is for their 4g network?
Fuuton: Atsugai

jonnirage said:
So Hawk2k8 posted a guide on how to get the 3G Xoom to work on another carrier. http://forum.xda-developers.com/showthread.php?t=1016158
My question is, if we buy a Verizon 3G SIM card, can we use it on our WiFi only Xoom? What are the differences between the 3G version and the WiFi version? Can we activate 3G on our WiFi-Only version by flashing it with the 3G image?
Thanks!
Click to expand...
Click to collapse
The WiFi only model has no radio to support a 3G/4G connection. I'm not sure if the slot is still there on the WiFi model.
If it does exist, you would have to do quite a bit to get it working:
reflash the firmware to support the new radio
find/create a driver that supports the radio and works with the OS
program the radio to work with your carrier
tear apart the Xoom to insert the radio
As stated above, that's a ton of work to do in order to make this work.

...or just wait for the UMTS model (mz601/3) with the right frequency bands.

LordLugard said:
There is no such thing as a VZW 3g sim card. VZW's 3g runs on CDMA Evdo, which doesn't use any sim cards.
I assume you're referring to the LTE sim card, which is for their 4g network?
Fuuton: Atsugai
Click to expand...
Click to collapse
Actually Verizon DOES have 3g SIM cards. They use them in the MiFi devices. I have installed a number of the ZTE Fivespot devices for users where I work and I've actually opened them up and seen the SIMcard. The SIM in the MiFi is for the GSM/GPRS/EDGE connectivity.
This is the Verizon SIM card
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SPIDERTECH said:
Actually Verizon DOES have 3g SIM cards. They use them in the MiFi devices. I have installed a number of the ZTE Fivespot devices for users where I work and I've actually opened them up and seen the SIMcard. The SIM in the MiFi is for the GSM/GPRS/EDGE connectivity.
This is the Verizon SIM card
Click to expand...
Click to collapse
That's not a VZW 3G SIM card (rather a Vodafone SIM card). Those are for when you're roaming on GSM networks in Europe or elsewhere they have roaming arrangements. All their dual mode CDMA/GSM phones and data devices have those Vodafone SIMs in them. Vodafone owns a majority of Verizon.

As far as running the xoom on another carrier, your pretty much limited to vzw or sprint in the USA. Its not GMS compatable......yet.

jonnirage said:
If you bought the WiFi-Only version of the Motorola Xoom, can you use your own SIM card to get 3G/4G data working on another wireless carrier? I really wanted the 3G version, but I did not want to sign up for a contract with Verizon Wireless. Or is the hardware incapable of supporting a 3G/4G Upgrade on the WiFi-Only version?
The Verizon data contract was just ridiculous. They wanted 20 dollars a month for 1GB of data, then 20 dollars more for each GB. I barely use my Comcast internet at home and easily hit 50GB a month with it. I'd much rather get some "Pay As You Go" data plan from another company and use their SIM card. I am sure this is not possible, but I thought I would ask anyway.
Thanks Guys!
Click to expand...
Click to collapse
Not sure where you got $20 a gig from Verizon. I'm paying $80 for 10 gig.
Sent from my Xoom using Tapatalk

Related

[Q] GSM Support

Anyone know if the Verizon version that was just released also supports GSM and if it's unlocked. I'm planning to use it mainly on Verizon, but would like to be able to pop a SIM card in if I travel.
From what I've read on other Verizon phones - they have to leave 4g devices unlocked as part of their winning the 700MHz spectrum.
I am curious about this too. I am on AT&T and know that the Canadian version should be fully compatible even with LTE, but its much harder to purchase than a VZW one.
Verizon iphone 5 is GSM unlocked and can be used on at&t and T-mobile
Old Razr's and Razr Maxx's were GSM unlocked but only for international usage (were locked for at&t and T-mobile)
Not sure where our new Razr's fall!
i put a tmobile sim card its not working... it can see then sim card and the number but does not connect
^^^ Same here, put it in my AT&T Sim to check, no luck. This phone might be like the previous droids, just unlocked for international. I wonder how Verizon allowed to lock their android devices, but keep the iPhone 5 unlocked. Isn't the FCC requirement required them to have all there LTE phones unlocked?
Anyone know a work around? I'm looking to purchase one to use on t-mobile..
illmatic. said:
Anyone know a work around? I'm looking to purchase one to use on t-mobile..
Click to expand...
Click to collapse
+1 but for att&t. I hope this phone gets popular enough that these kinds of things get worked out
jamesbra said:
+1 but for att&t. I hope this phone gets popular enough that these kinds of things get worked out
Click to expand...
Click to collapse
Ditto!
Sent from my DROID RAZR MAXX HD!...
What came up when you put the at&t sim in? Did it ask for an unlock code?
Sent from my LG-P880 using xda premium
impala67 said:
What came up when you put the at&t sim in? Did it ask for an unlock code?
Sent from my LG-P880 using xda premium
Click to expand...
Click to collapse
No unlock code prompt.. Just states that the AT&T SIM is invalid. The phone lets you load 2 AT&T APNs but nothing happens. Toggling the radio between global and GSM doesn't do anything. I have came to the conclusion Verizon locked down US GSM capabilities.
Sent from my DROID RAZR MAXX HD!...
I guess it's only a matter of time before there are unlocks online.
It sounds like it does in fact have the GSM radio which means it's at least physically possible that it could work on other networks.
The SIM slot is already unlocked, the reason it does not work on U.S. carriers is because Verizon blocked their MNC.
TRF-Inferno said:
The SIM slot is already unlocked, the reason it does not work on U.S. carriers is because Verizon blocked their MNC.
Click to expand...
Click to collapse
I wonder what the loophole that Verizon get to use to locked their android LTE phones from use of other us gsm carriers, well the ones that contain gsm radios. I know the recent spectrum deal required them to leave the sim slots unlocked, but was that only referring to the iPhones ? I know the 5 is unlocked and they can hard lock the phone from accessing us gsm carriers easily through a carrier update if they wanted to, example remember sprint iPhone 4S , all the phones released before nov 11 2011 where already gsm unlocked to work on any gsm carrier including us ones. Then they pushed a carrier update to lock the previous phones that were unlocked.
LTE in other Europe?
Hey,
I'd like to buy a Verizon DRHD Maxx to use on EE's LTE network in the UK (1800MHz), but also to use on Verizon when I'm stateside. From what I can gather, it has the physical radios for both 2G and 3G on GSM networks, and is hopefully SIM unlocked for international SIM cards like the original Droid Razr is.
However, on GSM arena, they have only listed 700MHz LTE support - do we know if it is capable of supporting other bands also please (in Europe we use 800/1800/2600)?
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Thanks,
Suman
TRF-Inferno said:
The SIM slot is already unlocked, the reason it does not work on U.S. carriers is because Verizon blocked their MNC.
Click to expand...
Click to collapse
What does blocking the MNC mean?
So I guess its safe to assume its locked for US GSM carriers but would work with international GSM Sims?
Sent from my Motorola Droid Xyboard 10.1 with Verizon 4G LTE
Sumanji said:
Hey,
I'd like to buy a Verizon DRHD Maxx to use on EE's LTE network in the UK (1800MHz), but also to use on Verizon when I'm stateside. From what I can gather, it has the physical radios for both 2G and 3G on GSM networks, and is hopefully SIM unlocked for international SIM cards like the original Droid Razr is.
However, on GSM arena, they have only listed 700MHz LTE support - do we know if it is capable of supporting other bands also please (in Europe we use 800/1800/2600)?
Thanks,
Suman
Click to expand...
Click to collapse
These are the bands that the Droid RAZR MAXX HD (and RAZR HD) support (as taken from the Motorola site).
CDMA 800 1900, LTE B13, WCDMA 850 900 1900 2100, GSM 850, 900, 1800, 1900 EVDO Rev. A, HSDPA 21.1 Mbps (Cat 14), HSUPA 5.76 Mbps.
Doesn't look like any bands other than 700 are supported.
BTW, are the specs for the RAZR HD the European spec? The Canadian one supports 700/1700/2100 Mhz.
Hey,
Ah that's a bummer could it be that the DRHD is the same hardware as the Canadian version, but they have disabled the 1700 and 2100 MHz band support?
I am unsure if the European or Global versions are pentaband - I'm just going by what GSMArena is saying at the moment (which could well be wrong).
I would really like to have a device that can support LTE on both sides of the pond though
Thanks,
Su
I reaaaallly want to get a Razr MAXX HD, but unfortunately I live in Mexico where the main phone operator (Telcel) takes ages to release phones.
So I guess it's confirmed it does not work with ATT or T-Mobile, but is there any possibility anyone can test it with a GSM network outside the US to confirm that its only locked for the US?
g33ked said:
I wonder what the loophole that Verizon get to use to locked their android LTE phones from use of other us gsm carriers, well the ones that contain gsm radios. I know the recent spectrum deal required them to leave the sim slots unlocked, but was that only referring to the iPhones ? I know the 5 is unlocked and they can hard lock the phone from accessing us gsm carriers easily through a carrier update if they wanted to, example remember sprint iPhone 4S , all the phones released before nov 11 2011 where already gsm unlocked to work on any gsm carrier including us ones. Then they pushed a carrier update to lock the previous phones that were unlocked.
Click to expand...
Click to collapse
Verizon's loop hole is that while utilizing LTE Band 13 requires the SIM slot to be unlocked, there are no bindings for them to have to make the device usable on other U.S. carriers.
big ach said:
What does blocking the MNC mean?
So I guess its safe to assume its locked for US GSM carriers but would work with international GSM Sims?
Click to expand...
Click to collapse
MNCs are identifier codes that allows for devices to pick up the right host for its network utilization.
http://en.wikipedia.org/wiki/Mobile_Network_Code
MNC blocking is usually done at the radio firmware, in this case, it is likely Verizon has MNC 150 and/or 260 blocked. While the phone can most likely see the signal, it does not allow the end user (The Operating System and the End User) to be able to see nor select it.
big ach said:
Verizon iphone 5 is GSM unlocked and can be used on at&t and T-mobile
Old Razr's and Razr Maxx's were GSM unlocked but only for international usage (were locked for at&t and T-mobile)
Not sure where our new Razr's fall!
Click to expand...
Click to collapse
I emailed Verizon and they confirmed that it is GSM unlocked for overseas carriers.

[Q] Anyone using a Canadian Razr HD on T-Mobile USA's LTE network?

Hey,
I have a Fido Razr HD, which afaik supports LTE on bands B4 (AWS 1700/2100MHz) and B17 (700MHz).
T-Mobile are deploying LTE on AWS, right? So in theory the RHD should be able to work without any problems - but has anyone actually tried this out?
I have a T-Mobile SIM on the way, so may have to be a guinea pig for this :silly:
Cheers,
Su
Update... it works :silly:
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3G, 4G? Battery life on LTE?
Sumanji said:
Update... it works :silly:
Click to expand...
Click to collapse
Hi, thank you for being a guinea pig So, LTE works, but how is the battery life? Does the phone easily pull through the whole day? Also, when LTE is not available does it work on T-mo's 3G/4G network? Thanks!
Palisandr said:
Hi, thank you for being a guinea pig So, LTE works, but how is the battery life? Does the phone easily pull through the whole day? Also, when LTE is not available does it work on T-mo's 3G/4G network? Thanks!
Click to expand...
Click to collapse
Also looking for an answer to this, want to pick one of these phones up soon for T-Mobile use thanks in advance!
I am using a Rogers Canadian Lte is working great on T-Mobile where there coverage is
Sent from my Galaxy Nexus using XDA Premium 4 mobile app
jmcdonald58 said:
I am using a Rogers Canadian Lte is working great on T-Mobile where there coverage is
Sent from my Galaxy Nexus using XDA Premium 4 mobile app
Click to expand...
Click to collapse
That's good to hear. Is the XT925 model the canadian model? Do you know if its possible to get one of the new Droid Maxx's up and running on T-Mobile as well?
Wannagotopopeyes said:
That's good to hear. Is the XT925 model the canadian model? Do you know if its possible to get one of the new Droid Maxx's up and running on T-Mobile as well?
Click to expand...
Click to collapse
Yes its the Canadian model -not sure about the maxx
Palisandr said:
Hi, thank you for being a guinea pig So, LTE works, but how is the battery life? Does the phone easily pull through the whole day? Also, when LTE is not available does it work on T-mo's 3G/4G network? Thanks!
Click to expand...
Click to collapse
Hey,
Apologies for the late response. The battery life on LTE is definitely shorter than on 3G only. I was in NYC last week, and was pretty much getting full bars of LTE signal constantly... was just about making it through the day.
The phone does indeed get full HSPA+ in areas where LTE is not available (although it frequently drops back to Edge due to T-Mo's crappy network ). On 3G+ only, the phone easily makes it through the day (usually have 20-30% at the end of the day, after ~2hrs screen time).
I am annoyed that this device hasn't seen any upgrades since January (4.1.2) though... crossing fingers and toes for 4.4, but perhaps in vain
Cheers,
Su
the reverse..?
Im trying to use a verizon firmware on my xt925 (oppisite of yours)
Annoying that it works perfectly to use a canadaian edition in the US but not vise versa
AdamMarkTodd said:
Im trying to use a verizon firmware on my xt925 (oppisite of yours)
Annoying that it works perfectly to use a canadaian edition in the US but not vise versa
Click to expand...
Click to collapse
Verizon's LTE is a different radio band, the 925 won't work on VZW LTE without some serious hardware hackery.
T-Mobile US 4G unlimited on Motorola xt925
Sumanji said:
Hey,
I have a Fido Razr HD, which afaik supports LTE on bands B4 (AWS 1700/2100MHz) and B17 (700MHz).
T-Mobile are deploying LTE on AWS, right? So in theory the RHD should be able to work without any problems - but has anyone actually tried this out?
I have a T-Mobile SIM on the way, so may have to be a guinea pig for this :silly:
Cheers,
Su
Click to expand...
Click to collapse
I have an unlocked Motorola xt925 and from the first day that I connected it to T- Mobile US regretted this choice. The problem was off course the 4G Lte. I didn' t want to pay their 70$ plan to have unlimited 4G because they don' t really have a 4G coverage so can' t provide this service. More than that my problem was for long time in getting a 4G speed in the phone. Fixed only after 4 or 5 th call.
Why I am posting this ???. Let's say that I was so pissed off on that problem that I rooted and unlocked the phone bootloader, installed almost all androids that are for this phone , tried everything that could find on the forums.
And now I have always, not really, a 4G connection in my phone. Without hack or illegal stuff.
I tried this in every android and it worked.
In this moment I have a 50 $ plan so only 500 mb on 4G, rest of them being or is supose to be only 2G.
Trick: in jelly beam and now in CyanogenMod 11 there is A way to select your Preferred network type. 2G, 3G, 4G.
If you know you are in a 4G area but you don' t have this speed try to select 2G, wait about 30 seconds, in jelly beam till connection is changing in blue and after that go back and select 4G network.
In some ROM there isn't 4 G selection. So I was dialling *#*#4636#*#* and select there Lte/ Gsm connection. After the phone is showing 4G or Lte check the internet speed.
If someone need the prove can provide some screenshots
Now. The problem is that I have to do that everytime when I am loosing the signal. So if the modem will make a 2G connection and after that 4G it will be OK. But it is not like this. Phone is jumping to 4G and the speed is only 0.13 Mb.
OK. I know I am not paying to have more but their service is not as it is show.
So. I would like to know if someone else can do that. Select 2G wait a little bit and select 4G and wait to have the connection. Usually in 2 minutes it is OK.
2. Can someone give an idea how to make the phone to make a 2 G connection and after that the 4 G.
Thanks for any suggestions.
Palisandr said:
Hi, thank you for being a guinea pig So, LTE works, but how is the battery life? Does the phone easily pull through the whole day? Also, when LTE is not available does it work on T-mo's 3G/4G network? Thanks!
Click to expand...
Click to collapse
Are you really getting LTE and 4g on this phone by just unlocking it and putting a t-mobile sim card init, if lte and 4g is in the area???
Hey guys for those that will interest, by searching around I find out about this seller http://www.ebay.com/itm/UNLOCK-CODE...25293983?ssPageName=ADME:X:RTQ:US:1123#viTabs
They are the cheapest I have encountered so far. there is a thread at the atrix hd forums that many have tried them and it works

Using Razr Maxx HD on T-Mobile USA?

So I did the radio hack using radio comm to enable the radio on the Maxx HD (XT926) to work with USA GSM carriers, I installed CM for XT925 on my XT926, I even put in a non working T-Mobile Sim in the phone and the phone displays the T-Mobile name in the navigation drawer and on the lock screen. I'm gonna go to a T-Mobile store close by me in NY today, now for my question : is there anything I gotta do in settings or anywhere else on the phone before I take it to the T-Mobile to activate the Sim card. I'm planning on going for there unlimited 4g $70 plan, will there 4g work with the phone? Also what do I tell the sales rep when I get there? Thanks
Sent from my Droid Razr Maxx HD
Ok so i was able to do the whole process online and i activated the simcard and i now my phone is connected but i'm only receiving edge not 4G, i tried changing the settings to lte but all i get is edge, what can i to fix this?
Afaik, TMO uses different LTE band (frequencies) than Verizon so you can get GSM (GPRS/EDGE) or UMTS (HSDPA) depending of the coverage. In NYC most of the time UMTS is available.
OK, I understand that and I'm fine with just using HSPDA+ but the thing is that I'm not even able to use that. Anything In settings I have to toggle for it to work.
Sent from my Droid Razr Maxx HD
One, regular way is from settings, more, mobile networks, preferred networks, select GSM/UMTS (probably you did that already). Second what you can try is to tap on select network and select UMTS only. Last option is type *#*#4636#*#*, phone information and set preferred network. Be careful with this hidden menu!
I don't get an option to set to gsm/umts I only get these options:
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Oh and I'm running the latest weekly build of SlimKat.
Sent from my Droid Razr Maxx HD
Which software version do you have?
Try to select, 3G. That's UMTS (HSDPA(+))
Zeljko1234 said:
Which software version do you have?
Try to select, 3G. That's UMTS (HSDPA(+))
Click to expand...
Click to collapse
I'm running the latest weekly build of SlimKat (4.4.2)
....... :'(
Sent from my Droid Razr Maxx HD
Try what I wrote you. One more option, instead of network operator auto selection, try to search and select manually. Sometimes phone shows two options for the same operator, one GSM and one UMTS.
Btw, I'm in NYC right now, using TMO and connected to H+.
J
Zeljko1234 said:
Try what I wrote you. One more option, instead of network operator auto selection, try to search and select manually. Sometimes phone shows two options for the same operator, one GSM and one UMTS.
Btw, I'm in NYC right now, using TMO and connected to H+.
Click to expand...
Click to collapse
The only two options I get is T-Mobile & AT&T. I'm thinking that it's probably just where I live I'm gonna leave my neighborhood in a few so I'm gonna see if I'll get H+ in another area. What rom are you using by the way?
Update: I now have H+, the problem is only in my particular area. So happy. Here I thought I spent 70 bucks to connect the phone for nothing.
Thanks for the help.
Sent from my Droid Razr Maxx HD
Wouldn't be for nothing, you still have GPRS/EDGE
Because I'm "lucky" with locked bootloader, I'm using stock JB rooted, hardly debloated by myself and Apex launcher.
True but you can barely do anything with edge. Why is it that 3g doesn't work with the phone is it because of the frequency bands are different?
Damn locked bootloader sucks, but hopefully someone will find and release an exploit once Motorola finally releases the 4.4 update.
Sent from my Droid Razr Maxx HD
XBlackChaosX said:
True but you can barely do anything with edge.
Click to expand...
Click to collapse
You're right about EDGE. Have you ever tried GPRS?
XBlackChaosX said:
Why is it that 3g doesn't work with the phone is it because of the frequency bands are different?
Click to expand...
Click to collapse
Do you mean 4G (LTE)? If you're asking why you cannot connect to 3G in your area, then is probably coverage problem. 3G usually works on higher radio frequency than 2g, so propagation is worse.
XBlackChaosX said:
Damn locked bootloader sucks, but hopefully someone will find and release an exploit once Motorola finally releases the 4.4 update.
Click to expand...
Click to collapse
I don't have hope for that. 4.4 update could even prevent root. But, maybe Motorola (Verizon) will offer bootloader unlocking option for EOL phones. When warranty will expired anyway. That would be really nice move and bring a lot of good advertising.
XBlackChaosX said:
True but you can barely do anything with edge. Why is it that 3g doesn't work with the phone is it because of the frequency bands are different?
Damn locked bootloader sucks, but hopefully someone will find and release an exploit once Motorola finally releases the 4.4 update.
Sent from my Droid Razr Maxx HD
Click to expand...
Click to collapse
The frequencies are different. Razr HD only supports 850/900/1900/2100
For HSDPA on T-Mobile you also need the 2100 AND the 1700 band. This is their largest coverage band. If you go to a major metropolitan area with a refarmed 2100 band coverage then you will get H+ on T-Mobile Otherwise, you're stuck on edge.
Sorry man, it's pure hardware...

Mate 8 dual SIM question

For those who have it, is it possible on the dual sim version that when one SIM is on LTE voice/data, can SIM 2 have voice on 3G? I have 2 SIMs with the same company but the company doesn't have a 2G network only 3G/4G LTE.
In the scenario you've described, SIM2 will be on 2G only. The phone is dual sim, active standby.
No way.
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Sent from my HUAWEI NXT-AL10 using Tapatalk
Ok, thank you. It's unfortunate that there isn't a phone than can do this yet. I'm sure there are places that 2G has been decomissioned and/or the company never had 2G
first time im hearing of a mobile communications provider not offering 2G tbh...
Sent from my Nexus 5 using Tapatalk
In Japan there's no 2G (GSM). So even if I have two sims, I can only have one active at a time.
ouch, thats a bummer! so did they already deactivate gsm in japan or did they always have a different 2G standard?
at least u can stilk use the second slot for extra storage, altho i guess u dont really need it, sporting the 128gb model
Sent from my Nexus 5 using Tapatalk
jbmc83 said:
ouch, thats a bummer! so did they already deactivate gsm in japan or did they always have a different 2G standard?
at least u can stilk use the second slot for extra storage, altho i guess u dont really need it, sporting the 128gb model
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
I'm looking into CDMA as a potential option for a second SIM.
Japan used PDC(TDMA) for 2G, but there is a CDMA operator as well. So it's something I want to look into.
defender007 said:
For those who have it, is it possible on the dual sim version that when one SIM is on LTE voice/data, can SIM 2 have voice on 3G? I have 2 SIMs with the same company but the company doesn't have a 2G network only 3G/4G LTE.
Click to expand...
Click to collapse
If you are using international version:
The Mate 8 supports FDD-LTE, TDD-LTE, WCDMA, TD-SCDMA, GSM, CDMA2000, and CDMA networks for global roaming. Simply insert two SIM cards into the 2-in-1 card slot, and then specify the primary SIM card that is used for 4G services. The secondary SIM card can be used for 2G services.
consumer.huawei.com/minisite/worldwide/mate8/connected.htm
If you are using chinese version:
HUAWEI Mate 8支持全网通功能,全网通版兼容包括FDD-LTE / TDD-LTE / WCDMA / TD-SCDMA /
CDMA2000 / CDMA1X/ GSM 等网络。其双卡槽支持移动/联通/电信SIM卡任意两两组合盲插(电信+电信
除外),用户在手机界面便可轻松选择其中一张使用4G业务,而将另一张卡作为副卡。HUAWEI Mate 8还支
持将电信卡作为3G副卡。
*此功能仅限于全网通版本
consumer.huawei.com/cn/mobile-phones/mate8/perfomance.html
That's mean when the primary SIM card used 4G, the second SIM will use the 3G network. The Huawei hardware have some difference between international and chinese version.
so wait, let me get this straight: the chinese version actually supports 2G AND 3G on the second sim whereas the international version only sports 2G for the second sim? i like that
Sent from my Nexus 5 using Tapatalk
jbmc83 said:
so wait, let me get this straight: the chinese version actually supports 2G AND 3G on the second sim whereas the international version only sports 2G for the second sim? i like that
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
Yes, I double confirm from huawei taobao online customer service.
I recommend buy the china version hardware and use cyanogenmod rom for security reason. The mate 8 in china just 2999RMB.
well, for now i guess well have to wait and see if CM will ever come to the mate 8... the recent progress in bootloader unlock, TWRP flash and root is already a good start though
in any case, this is good news for all buyers of the chinese model wouldve thanked your post but ive reached my limit for today as it seems
jbmc83 said:
so wait, let me get this straight: the chinese version actually supports 2G AND 3G on the second sim whereas the international version only sports 2G for the second sim? i like that
Sent from my Nexus 5 using Tapatalk
Click to expand...
Click to collapse
No, I have the chinese version and if the primary sim is in 4G mode, the second sim will be locked to 2G only. However, you can swap these around, ie, make SIM2 4G, but this puts SIM1 into 2G.
thanks for that info, even though its a bummer which rom version are you running atm? also, do u physically need to swap out the sim cards or can u just assign the primary and secondary position via software setting?
I help you to check the problem, this is result:
ww w.vmall.com/product/2647.html
jiyouhui.it168.com/thread-2760-1-1.html
res.vmallres.com/pimages//temp/product/20151211163707528.jpg
this chinese means (全網通) just this one hardware version can support 4G+3G, but just support the one company (电信). This company use CDMA2000(EVDO) 180, 181, 189, 133, 153.
ah well, at least theres a simple enough mod in order to be able to use both a microsd card AND two sim cards
Sent from my Huawei Mate 8 using Tapatalk
Both sim slot support 4g.
But you can have only 1 4g active at the same time.
If ur sim 1 is active 4g, ur sim 2 can only be 2g.
If you choose sim 2 to be ur active 4g, ur sim 1 can only be on 2g.
stevenx82 said:
Both sim slot support 4g.
But you can have only 1 4g active at the same time.
If ur sim 1 is active 4g, ur sim 2 can only be 2g.
If you choose sim 2 to be ur active 4g, ur sim 1 can only be on 2g.
Click to expand...
Click to collapse
yes, but maybe not yes. because the second sim telecom is CDMA2000 3G that can 3G, if not just 2G.
Do you guys found a way to have dual sim AND sd card being used at the same time ?
Should I buy the international or the chinese version ? I need dual sim and the ability to switch 4G from sim 1 to sim2 using software (not hardware, I don't wabt to manually sitch sims)
Thank you
pim said:
Do you guys found a way to have dual sim AND sd card being used at the same time ?
Should I buy the international or the chinese version ? I need dual sim and the ability to switch 4G from sim 1 to sim2 using software (not hardware, I don't wabt to manually sitch sims)
Thank you
Click to expand...
Click to collapse
http://forum.xda-developers.com/mate-8/general/modify-sim-t3300220

Verizon and 8T?

Anyone able to get this device activated on Verizon?
I am currently on the 6T and activated via Verizon, with CDMA less features fine. However, when I try to activate this phone online, I am unable to. I called Verizon to see if they have any ideas, and they said the phone isn't supported on the Verizon network, even though I know it does. I even asked them to do a CDMA less provision with no solutions.
My 8T and my wife's 8T are working just fine on Verizon. We came from the pixel 3. Required me calling them and doing the CDMA-less provision.
No native Wi-Fi calling or native video calling (which is fine, never used it anyway, always signal).
I don't live in an area with 5G, so can't speak on that.
I'm bumping this thread....
I have tired numerous times to activate this on Verizon. I am coming from the OnePlus 6T, and it works flawlessly for the last 2 years. At first I tried to activate online, and then tired call to activate.... None of the representative can activate it for some reason.
One rep said that as long as it's activated, then I can just put in the Verizon Sim and it should work.... but mine doesn't....
Do you guys think it's the SIM? I am hearing that there's a normal 4gLTE sim vs the 5G sim.... But when I popped the SIM back into the 6T, it works again....
kreizyidiot said:
I'm bumping this thread....
I have tired numerous times to activate this on Verizon. I am coming from the OnePlus 6T, and it works flawlessly for the last 2 years. At first I tried to activate online, and then tired call to activate.... None of the representative can activate it for some reason.
One rep said that as long as it's activated, then I can just put in the Verizon Sim and it should work.... but mine doesn't....
Do you guys think it's the SIM? I am hearing that there's a normal 4gLTE sim vs the 5G sim.... But when I popped the SIM back into the 6T, it works again....
Click to expand...
Click to collapse
Why do you need to activate it? Just put the sim from your 6T in and it should work fine. I had a 6T, then a 7T and now the 8T. No issues at all.
Put the sim in and reset the network settings. I used a five+ year old sim out of a Pixel XL and Moto phone before that. I messed with it a bunch to get low band 5G working and ended messing something up and having no service. Net reset in the phone fixed it. I didn't have to call in for CDMA-less. sms worked without it. It doesn't seem to use 5G even though it supports band 66 (which is my connection where I'm at), I enabled 5G manually and VZW turned on NSA band 66 recently. Typical VZW. Supposedly there is a 5G sim. I don't have one.
I'm getting 5g on visible, same speed as 4g
kreizyidiot said:
I'm bumping this thread....
I have tired numerous times to activate this on Verizon. I am coming from the OnePlus 6T, and it works flawlessly for the last 2 years. At first I tried to activate online, and then tired call to activate.... None of the representative can activate it for some reason.
One rep said that as long as it's activated, then I can just put in the Verizon Sim and it should work.... but mine doesn't....
Do you guys think it's the SIM? I am hearing that there's a normal 4gLTE sim vs the 5G sim.... But when I popped the SIM back into the 6T, it works again....
Click to expand...
Click to collapse
Yes you will need a 5G sim and call them to do the CDMA-less if not getting text. The first tech support guy could not do it (CDMA less). He had to transfer to level 2 tech (CDMA less). For the sim card, i bought a Note 20 ultra 5g and they require it. So just do it and see how it goes.
954wrecker said:
I'm getting 5g on visible, same speed as 4g
Click to expand...
Click to collapse
Do you know if you have a 5G sim, ie is it a new one in your 8T?
larsdennert said:
Do you know if you have a 5G sim, ie is it a new one in your 8T?
Click to expand...
Click to collapse
Looks like a regular visible sim card to me.
Nationwide 5G uses band n2 on the old band 2 cdma frequency. If you have signal you should have service if everything is correct. Our 8t is only connecting on band 66 using 4g.
Looks like Verizon is issuing Gemalto Virtual 4G 5G Interim SIM cards with 5G phones. I'm going to try to get one and test with the 8T.
larsdennert said:
Looks like Verizon is issuing Gemalto Virtual 4G 5G Interim SIM cards with 5G phones. I'm going to try to get one and test with the 8T.
Click to expand...
Click to collapse
How would I get this and/or ask for it. I already have a 5g sim card. Not sure if it's the one you stated.
It probably is the same one. So Verizon, OnePlus 8T, 5G plan and 5G sim? Do you get 5G service indicator? In the network settings is there an option for 5G or NR?
How do I know if I have a 5g sim? I just activated yesterday and got a new sim from Verizon.
cameljockey1 said:
Yes you will need a 5G sim and call them to do the CDMA-less if not getting text. The first tech support guy could not do it (CDMA less). He had to transfer to level 2 tech (CDMA less). For the sim card, i bought a Note 20 ultra 5g and they require it. So just do it and see how it goes.
Click to expand...
Click to collapse
There is no 5g sim. 5g won't work on Verizon. The phone is not supported for 5g on Verizon. But 4g/LTE works fine.
There is a 5g sim. Verizon support says there's one. An iPhone 12 we ordered on our account had one listed with the order. Yes the phone isn't officially supported but it doesn't mean it won't work for sure.
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Then there's this page. https://www.verizon.com/unlocked-smartphones/8t-unlocked/
tcd1014 said:
There is no 5g sim. 5g won't work on Verizon. The phone is not supported for 5g on Verizon. But 4g/LTE works fine.
Click to expand...
Click to collapse
I was getting 5g on visible with the normal visible sim card.
954wrecker said:
I'm getting 5g on visible, same speed as 4g
Click to expand...
Click to collapse
If you are getting 5g on Visible, why am I not on another MVNO- US Mobile. Any help from the community would be appreciated.

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