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Okay so long story short, I have a Sprint Galaxy S8+ I preordered and outright bought (for $850) directly from Samsung in April. This last month I decided to switch with my family to Verizon. Turns out the IMEI of the phone is not recognized by the Verizon network and my phone technically works but always shows I am on roaming. Is there anyway to fix this? The phone IS unlocked I got it unlocked by Sprint, and no Samsung is not budging on helping me at all. They basically just say "Go back to Sprint the phone works fine". I was just curious if I rooted the phone and flashed a Verizon ROM onto the device will it get rid of the roaming and possibly make it able to be seen by the Verizon network? I know flashing the ROM doesnt change the IMEI but honestly Im stuck with what to do because neither, Sprint, Verizon, or Samsung is trying to help me.
You could try the unlocked firmware. I don't know if it would work but doesn't hurt to try
Chucklez said:
Okay so long story short, I have a Sprint Galaxy S8+ I preordered and outright bought (for $850) directly from Samsung in April. This last month I decided to switch with my family to Verizon. Turns out the IMEI of the phone is not recognized by the Verizon network and my phone technically works but always shows I am on roaming. Is there anyway to fix this? The phone IS unlocked I got it unlocked by Sprint, and no Samsung is not budging on helping me at all. They basically just say "Go back to Sprint the phone works fine". I was just curious if I rooted the phone and flashed a Verizon ROM onto the device will it get rid of the roaming and possibly make it able to be seen by the Verizon network? I know flashing the ROM doesnt change the IMEI but honestly Im stuck with what to do because neither, Sprint, Verizon, or Samsung is trying to help me.
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Click to collapse
The Sprint, AT&T and T-Mobile version of s8/s8+ won't work for Verizon. Verizon's dont work for Sprint either - even you flash it with unlocked firmware. Unless you change the IMEI, but it's illegal. Both Sprint and Verizon required the IMEI in their database. That's the reason I bought unlocked version from Samsung directly. My phone shows OPEN MARKET on sprint. I just ported to Sprint from Verizon to take advantage of the 1 year free service. But I can't use the internet when I'm talking on the phone.
Don't be fooled by that word UNLOCKED, it's still a carrier branded phone.
Sent from my SM-G955U1 using Tapatalk
Any luck using unlock sprint s8 plus on Verizon? I'm on the same boat but can't get it to work on Verizon.
If anyone got it to work, please advise. Thanks
Sent from my SM-N950U1 using XDA-Developers Legacy app
Blacklisted
It won't work tell you change the imei its blacklisted and the only way around that is to change the imei sorry to break it to you.
Hi
I have a carrier unlocked T-Mobile s8+ and need to use a Verizon SIM in it and am getting errors trying to use a verizon SIM. The Verizon SIM is from another phone and is already registered. I put the IMEI number of the phone into Verizons web portal to test compatibility and it failed. Does that mean there is no way to get this combination to work? Does the IMEI need to be in the VZW database for this to work? Will flashing XAA guarantee this to work? Thanks for any help and advice.
sideswipe said:
Hi
I have a carrier unlocked T-Mobile s8+ and need to use a Verizon SIM in it and am getting errors trying to use a verizon SIM. The Verizon SIM is from another phone and is already registered. I put the IMEI number of the phone into Verizons web portal to test compatibility and it failed. Does that mean there is no way to get this combination to work? Does the IMEI need to be in the VZW database for this to work? Will flashing XAA guarantee this to work? Thanks for any help and advice.
Click to expand...
Click to collapse
do u have a tmobile phone, it is different than the carrier unlocked phone, those are 2 different models,
the carrier unlocked.. the sim is unlocked..
the tmobile is not carrier unlocked, and by flashing the firmware of the unlocked version, will NOT unlock the sim.. u will need to device unlock app with the tmobile phone 1st... and usually tmobile will NOT unlock unless u have paid it off and using on their system for 40 days..
others like me had it unlocked with days of service, cause we are tmobile customers for years already... I on the other hand bought the phone on ebay from someone who bought it from Samsung and the imei was not added to tmobile system and I had to call tmobile to add the imei which took about 3 days, then to call back to request the sim unlock which took another 3 days, the device unlock app unlocked the phone instantly...
that was my process for me to get the sim unlock... but if urs it not unlocked and is paid off, another way to get it unlocked it to give it to someone u know, let them use it and call tmobile to start the above process...
Hope that sums up what must be done...
mdiaz33685 said:
do u have a tmobile phone, it is different than the carrier unlocked phone, those are 2 different models,
the carrier unlocked.. the sim is unlocked..
the tmobile is not carrier unlocked, and by flashing the firmware of the unlocked version, will NOT unlock the sim.. u will need to device unlock app with the tmobile phone 1st... and usually tmobile will NOT unlock unless u have paid it off and using on their system for 40 days..
others like me had it unlocked with days of service, cause we are tmobile customers for years already... I on the other hand bought the phone on ebay from someone who bought it from Samsung and the imei was not added to tmobile system and I had to call tmobile to add the imei which took about 3 days, then to call back to request the sim unlock which took another 3 days, the device unlock app unlocked the phone instantly...
that was my process for me to get the sim unlock... but if urs it not unlocked and is paid off, another way to get it unlocked it to give it to someone u know, let them use it and call tmobile to start the above process...
Hope that sums up what must be done...
Click to expand...
Click to collapse
Hi thanks for the explanation, I am pretty familiar with the differences between carrier (SIM) unlock and unlocked firmware as I have flashed Android in the past. I had the phone carrier (SIM) unlocked by T-Mobile through their app and I was still not able to use the Verizon SIM in my phone (not registered error). It turns out (and I found this out by reading through the many messages in this forum) that T-Mobile firmware apparently disables some frequencies that other carriers may use. Once I flashed the XAA unlocked *firmware*, I popped in my Verizon SIM and it worked like a charm. I hope this info is useful to someone at some time and I thank all of you for your contributions to getting this working. KUDOS!
sideswipe said:
Hi thanks for the explanation, I am pretty familiar with the differences between carrier (SIM) unlock and unlocked firmware as I have flashed Android in the past. I had the phone carrier (SIM) unlocked by T-Mobile through their app and I was still not able to use the Verizon SIM in my phone (not registered error). It turns out (and I found this out by reading through the many messages in this forum) that T-Mobile firmware apparently disables some frequencies that other carriers may use. Once I flashed the XAA unlocked *firmware*, I popped in my Verizon SIM and it worked like a charm. I hope this info is useful to someone at some time and I thank all of you for your contributions to getting this working. KUDOS!
Click to expand...
Click to collapse
Good to know, but sound weird, thought T-Mobile phones work for all gsm Sims just needing to change apn,
But now cdma merging with gsm, that's so much better as far as phones go, use any phone now from any provider.
Look how the s8 plus is all the same software and the same hardware, just different carrier stuff..
mdiaz33685 said:
Good to know, but sound weird, thought T-Mobile phones work for all gsm Sims just needing to change apn,
But now cdma merging with gsm, that's so much better as far as phones go, use any phone now from any provider.
Look how the s8 plus is all the same software and the same hardware, just different carrier stuff..
Click to expand...
Click to collapse
I thought it was weird too. Busted my head for a couple of days trying to figure it out. Is Verizon still CDMA? *scratches head*
Yes, their 3g and 2g networks are CDMA.
If you insert Verizon sim into T-mobile phone, you'll get LTE data, but you won't be able to make calls. Only data will work. T-mobile firmware support band 2, 4 and 13, so you should have data, but not phone service. If you don't have data icon, you'll need add Verizon apn.
FYI
Flashing the phone with G955U1 firmware fixed this issue. I am now able to use this successfully on Verizon.
I've been out of the game for a bit so I'm a little lost, are ALL the z2 phones boot loaders unlockable through the Motorola Devs site, or only the ones from Sprint and T-Mobile? I haven't been to my store to see which particular version of the Z2 they sell yet, but I'm also looking at the LG V30 which I know I need a specific version number (998). What do I need to look for before I buy the Z2 to make sure I can unlock it and flash TWRP?
I used to be an android tweaker back when I was in middle school (about 2009-ish) and then switched to apple. Now I'm done with that and want to get back into android so I'm looking into what phones are out and my tiny local cell carrier offers the V30 and the Z2 Force which are both contenders. I'm particularly interested in using Magisk which wasn't around back in the day
Thanks!
I think only AT&T and Verizon models can't be unlocked unless another carrier out of the US also told Moto they don't want them unlocked.
Uzephi said:
I think only AT&T and Verizon models can't be unlocked unless another carrier out of the US also told Moto they don't want them unlocked.
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Click to collapse
Thanks would like to know myself. I'm on Verizon but would like maybe to root and wondering which bootloaders can be unlocked and which can't. Verizon isn't to friendly in that respect.
Thanks.
wooddale said:
Thanks would like to know myself. I'm on Verizon but would like maybe to root and wondering which bootloaders can be unlocked and which can't. Verizon isn't to friendly in that respect.
Thanks.
Click to expand...
Click to collapse
stay away from the LG phones if you want an unlocked bootloader. unless you get an international variant they will not be what you want. I just got rid of my G6 because of this. They allow you to unlock your BL on Tmobile but guess what? No fastboot commands work!!! Seems all the new Lg's are doing this now
mattlowry said:
stay away from the LG phones if you want an unlocked bootloader. unless you get an international variant they will not be what you want. I just got rid of my G6 because of this. They allow you to unlock your BL on Tmobile but guess what? No fastboot commands work!!! Seems all the new Lg's are doing this now
Click to expand...
Click to collapse
Thanks but I was thinking on the Z2 Force from Motorola. Wondering if the Verizon Z2 Force bootloader bcan be unlocked.
wooddale said:
Thanks but I was thinking on the Z2 Force from Motorola. Wondering if the Verizon Z2 Force bootloader bcan be unlocked.
Click to expand...
Click to collapse
not unless someone finds an exploit. so i wouldnt hold your breath
Uzephi said:
I think only AT&T and Verizon models can't be unlocked unless another carrier out of the US also told Moto they don't want them unlocked.
Click to expand...
Click to collapse
Thanks! Is there a way to differentiate between those that can be unlocked and those that can't based on serial number of something? I need to be able to know before I leave the store because if I can't root, I don't want to switch back yet.
ctrl+alt+pasta said:
Thanks! Is there a way to differentiate between those that can be unlocked and those that can't based on serial number of something? I need to be able to know before I leave the store because if I can't root, I don't want to switch back yet.
Click to expand...
Click to collapse
att and verizon = not unlockable
sprint and tmobile = unlockable
mattlowry said:
att and verizon = not unlockable
sprint and tmobile = unlockable
Click to expand...
Click to collapse
Well I'm not on any of those four lol, thats why I want to know if I can tell by serial number or something. Otherwise I suppose I can go buy the thing, try the moto website, and if it's not eligible I'll just tell my carrier I didn't like the phone and since the warranty should still be good they'll let me "test drive" it for two weeks.
(Verizon) XT1789-01
(US Cellular) XT1789-02
(Sprint) XT1789-03
(AT&T/T-Mobile) XT1789-04
There is the model numbers for the big four and US Cellular
Uzephi said:
(Verizon) XT1789-01
(US Cellular) XT1789-02
(Sprint) XT1789-03
(AT&T/T-Mobile) XT1789-04
There is the model numbers for the big four and US Cellular
Click to expand...
Click to collapse
So I read there is a process to carrier unlock any phone correct? So can I buy a TMobile phone carrier unlock it unlock the bootloader and use it on Verizon. Thanks
wooddale said:
So I read there is a process to carrier unlock any phone correct? So can I buy a TMobile phone carrier unlock it unlock the bootloader and use it on Verizon. Thanks
Click to expand...
Click to collapse
Have a friend who has TMobile buy it outright, after 7 days you can carrier unlock it via calling in to TMobile and them giving you the SIM unlock code. The T-Mobile account must be current, phone be active, and must be purchased, you can't carrier unlock (via carrier) unless it is purchased and not leased, rented, amount owed on device. Will it work on Vz? I wouldn't know to be honest.
Uzephi said:
Have a friend who has TMobile buy it outright, after 7 days you can carrier unlock it via calling in to TMobile and them giving you the SIM unlock code. The T-Mobile account must be current, phone be active, and must be purchased, you can't carrier unlock (via carrier) unless it is purchased and not leased, rented, amount owed on device. Will it work on Vz? I wouldn't know to be honest.
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Click to collapse
Thanks I thought I had something going lol. I did read about getting the code but it didn't go through the details. That is probably why Moto is.not selling an unlocked version. I'm not so much interested in a custom.rom but would like root. I'm in a tough signal area in Wisconsin and the only phones that work well here are Motorola. I've tried the Note 8, Pixel2XL even the Essential none of them are worth a darn signal wise. I have the original Z Force but Verizon so no root. Oh well back to the boards. Thanks Again.
wooddale said:
Thanks I thought I had something going lol. I did read about getting the code but it didn't go through the details. That is probably why Moto is.not selling an unlocked version. I'm not so much interested in a custom.rom but would like root. I'm in a tough signal area in Wisconsin and the only phones that work well here are Motorola. I've tried the Note 8, Pixel2XL even the Essential none of them are worth a darn signal wise. I have the original Z Force but Verizon so no root. Oh well back to the boards. Thanks Again.
Click to expand...
Click to collapse
That is why I left Vz. Great signal but I want unlock options. Having to use rumrunner on my HTC M7 was a pain compared to just going to HTCdev and accepting the voided warranty. HTCdev, Motorola unlock site, etc will always work. Programs like rumrunner, Sunshine, etc can be patched via update and not work on newer firmwares. No bueno in my book.
I first bought the VZW Z2 Force and fell in love with it but I couldn't live without root. I sent it back and went to TMO and got one. TMO signal in my area is terrible, many dead spots. I don't own this phone but I'd pay it off in a heartbeat if I knew I could carrier unlock it and then throw my Verizon SIM card in it. Nobody has tried yet?
LGtMgG2t said:
I first bought the VZW Z2 Force and fell in love with it but I couldn't live without root. I sent it back and went to TMO and got one. TMO signal in my area is terrible, many dead spots. I don't own this phone but I'd pay it off in a heartbeat if I knew I could carrier unlock it and then throw my Verizon SIM card in it. Nobody has tried yet?
Click to expand...
Click to collapse
Usually it would require the Verizon flash all and then it depends if Lenovo went cheap and put the Verizon specific frequencies for LTE in all models. Most of the time each phone for different carriers are from different batches with tiny hardware differences. Some times the radio is the exact same and the modem firmware file depicts what frequencies are unlocked. (Most of us modders went away from Verizon for what my previous post explains, so possibly no one who has Verizon has tried to bite the bullet).
If I didn't have Verizon I wouldn't be able to make a call from my.house. That's how bad it is right here and that's only because of a Network extender. You could still try it all you have to do is carrier unlock it and try. Anybody's Verizon sim will work.
---------- Post added at 09:50 PM ---------- Previous post was at 09:44 PM ----------
wooddale said:
If I didn't have Verizon I wouldn't be able to make a call from my.house. That's how bad it is right here and that's only because of a Network extender. You could still try it all you have to do is carrier unlock it and try. Anybody's Verizon sim will work.
Click to expand...
Click to collapse
Sorry missed the part about not owning I guess they won't carrier unlock unless you own
Uzephi said:
(Verizon) XT1789-01
(US Cellular) XT1789-02
(Sprint) XT1789-03
(AT&T/T-Mobile) XT1789-04
There is the model numbers for the big four and US Cellular
Click to expand...
Click to collapse
hmm. It's weird that ATT and TMO have the same serial if ones unlockable and one isn't. I guess the serials won't really help me then
ctrl+alt+pasta said:
hmm. It's weird that ATT and TMO have the same serial if ones unlockable and one isn't. I guess the serials won't really help me then
Click to expand...
Click to collapse
What MVNO do you use?
Uzephi said:
What MVNO do you use?
Click to expand...
Click to collapse
Not going to lie I had to look MVNO up but Wikipedia says Verizon. ****...so I guess that means I'm out of luck
EDIT: My company does sell the snapdragon Galaxy devices though. I know the boot loader is locked but they can still get root and I can still run exposed then right? It'll really suck not having a custom recovery but Xposed should give me enough to play with. I'll have to jump over to those forums
I bought a lg g8 sprint unlocked refurbished for 370 dollars, the seller said it works on all GSM unlocked, will i use it in brazil, will i have some problem in using on GSM Operators?
You shouldn't have any problems, I've got the US T-Mobile version that is unlocked which works fine in the UK. Only way is to test it...
I bought an unlocked VERIZON G8 (also a CDMA network like Sprint) I was able to activate it in MetroPCS and data and text messages worked but I wasn't able to get the phone to make or receive calls.
Hopefully you won't have the same problem. I had to return mine. I suspect the phone app was the problem. It had a lot of options specific to Verizon. I wish I would have tried a 3rd party phone app...
sprint is cdma or gsm?
SantinoInc said:
I bought an unlocked VERIZON G8 (also a CDMA network like Sprint) I was able to activate it in MetroPCS and data and text messages worked but I wasn't able to get the phone to make or receive calls.
Hopefully you won't have the same problem. I had to return mine. I suspect the phone app was the problem. It had a lot of options specific to Verizon. I wish I would have tried a 3rd party phone app...
Click to expand...
Click to collapse
juninhoak said:
sprint is cdma or gsm?
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Click to collapse
Sprint is CDMA. Just because a phone is unlocked and has a clean IMEI does NOT mean it will work 100% on another carrier
SantinoInc said:
Sprint is CDMA. Just because a phone is unlocked and has a clean IMEI does NOT mean it will work 100% on another carrier
Click to expand...
Click to collapse
the seller said that my g8 will work 100% or any gsm unlock carrier, should i trust it?
juninhoak said:
the seller said that my g8 will work 100% or any gsm unlock carrier, should i trust it?
Click to expand...
Click to collapse
From my experience I would say NO.
wilpang said:
You shouldn't have any problems, I've got the US T-Mobile version that is unlocked which works fine in the UK. Only way is to test it...
Click to expand...
Click to collapse
what about the price? 370$ for 10/10 no signs of use, without box clean imei
Is it a seller from China?
juninhoak said:
what about the price? 370$ for 10/10 no signs of use, without box clean imei
Click to expand...
Click to collapse
Did you get it via eBay? Sounds like a bargain though
I should get mine next week from USA for a similar price.
I had read that the Sprint one will work if it's unlocked. The Verizon one should as well. I'm thinking if there are issues, it would be due to carrier specific software?
Sent from my LM-G820 using Tapatalk Pro.
I am using an unlocked Sprint G8 in Switzerland and it's working fine. But check what bands are used by your carrier and whether the different carrier versions support them.
Hoping someone can assist. I bought a LG G8 on Ebay from what appeared, and appears, to be a legitimate seller. The IMEI comes up clean on swappa and all other verification sites. The phone IS unlocked and works perfectly fine on my carrier, Telus, in Canada.
The issue I have is that each time the phone boots up, restarts, etc, I get the messages seen in the attached:
1) Activate Your Device - Please wait while we activate your device for network service. This may take several minutes.
2) Activation Incomplete - This device has not been registered with an account. Please contact your service provider to configure this device for network service.
When I contact Sprint they claim that I need to contact the original account holder as only they can unlock the device, and activate it, and it will only be unlocked if in good standing and active at least 50 days. They also claim the only method to unlock is via them.
I was hoping for some advice here on how to get rid of this nag screen, or what I can say to get Sprint to resolve this.
Thanks!
Other than the 'nag' screen the rest of the phone is fine, you can make calls and use 4G?
I have a T-Mobile one which I will sell because I couldn't get it unlocked via US T-Mobile, they wanted it activated in the US and get a prepaid 100 dollar SIM card.
wilpang said:
Other than the 'nag' screen the rest of the phone is fine, you can make calls and use 4G?
I have a T-Mobile one which I will sell because I couldn't get it unlocked via US T-Mobile, they wanted it activated in the US and get a prepaid 100 dollar SIM card.
Click to expand...
Click to collapse
Correct, 4g and calling works.
Do any of you have a Unlocked Verizon G8 and have it successfully work on a GSM network...in particular were you able to make and receive phone calls? That is where I had a problem.
Sean09 said:
Hoping someone can assist. I bought a LG G8 on Ebay from what appeared, and appears, to be a legitimate seller. The IMEI comes up clean on swappa and all other verification sites. The phone IS unlocked and works perfectly fine on my carrier, Telus, in Canada.
The issue I have is that each time the phone boots up, restarts, etc, I get the messages seen in the attached:
1) Activate Your Device - Please wait while we activate your device for network service. This may take several minutes.
2) Activation Incomplete - This device has not been registered with an account. Please contact your service provider to configure this device for network service.
When I contact Sprint they claim that I need to contact the original account holder as only they can unlock the device, and activate it, and it will only be unlocked if in good standing and active at least 50 days. They also claim the only method to unlock is via them.
I was hoping for some advice here on how to get rid of this nag screen, or what I can say to get Sprint to resolve this.
Thanks!
Click to expand...
Click to collapse
I have the same issue as well. I deleted sprint bloatware via adb. But I can't find a way to get rid of the nag screen. The phone is certainly unlocked though. I also can't enable wifi calling.
Guys, im using my G8 sprint unlocked on "TIM" and "VIVO" the 2 biggest carriers from brazil, working fine calls, 4g, sms, and mobile data, by the way, this fone is freaking nice for the price, i paid 380 + 120 taxes on ebay, in brazil galaxy s10 costs 900 usd with exynos processor
I have to take some of what I said back. I did a factory reset of my Sprint LG G8 and it is worse than before. I can't edit or add/select a proper APN. Right now the working APN has a mix of Metro and Sprint. MMS doesn't work, forget group texts. I have to send it back. It may be somewhat unlocked, but way too much of a hassle. And with no bootloader unlock, I'm stuck.
Purchased from T-Mobile a year ago, all paid off, and permanently SIM unlocked by T-Mobile app (white-listed by T-Mobile so it would unlock). So, the phone is free and clear. I think the answer may be self-evident in the model numbrer, but can an unlocked LG-G710TM work on Verizon? When I pop in my Verizon SIM (from S10), it registers on the voice network, but mobile data won't connect. The firmware (still v8.0.0) is all T-Mobile. Went to Verizon store, wait for the shock and horror, and they gave up after basic settings changes.
Just for kicks, if the 710TM can only work on T-Mobile, that makes unlocking this model somewhat pointless, no?
Thanks for any quick hits.
jimbob_sf said:
Purchased from T-Mobile a year ago, all paid off, and permanently SIM unlocked by T-Mobile app (white-listed by T-Mobile so it would unlock). So, the phone is free and clear. I think the answer may be self-evident in the model numbrer, but can an unlocked LG-G710TM work on Verizon? When I pop in my Verizon SIM (from S10), it registers on the voice network, but mobile data won't connect. The firmware (still v8.0.0) is all T-Mobile. Went to Verizon store, wait for the shock and horror, and they gave up after basic settings changes.
Just for kicks, if the 710TM can only work on T-Mobile, that makes unlocking this model somewhat pointless, no?
Thanks for any quick hits.
Click to expand...
Click to collapse
Back up your phone and flash with G710VM firmware which should allow it to work on Verizon. See link below with instructions.
https://forum.xda-developers.com/lg-g7-thinq/how-to/cross-flash-oreo-pie-firmwares-lg-g7-g7-t3915303
mr3p said:
Back up your phone and flash with G710VM firmware which should allow it to work on Verizon. See link below with instructions.
https://forum.xda-developers.com/lg-g7-thinq/how-to/cross-flash-oreo-pie-firmwares-lg-g7-g7-t3915303
Click to expand...
Click to collapse
Starting at post #55 in that thread, it says cross flashing the 710TM will brick it. Gotta ask the dumb question: did you point me there knowing that cross flashing the T-Mobile to Verizon will work or just knowing that there was a cross flashing thread that works for most G7s?
I"m appreciative for the help either way.
jimbob_sf said:
Starting at post #55 in that thread, it says cross flashing the 710TM will brick it. Gotta ask the dumb question: did you point me there knowing that cross flashing the T-Mobile to Verizon will work or just knowing that there was a cross flashing thread that works for most G7s?
I"m appreciative for the help either way.
Click to expand...
Click to collapse
I don't have TM version so I was unaware of such restriction. My apologies the method will not work on your device.
If entering the Verizon APN info in (which I'm assuming the employees at VZW tried) still failed to produce results, then yes, you may be out of luck (however you could make use of a prepaid network that uses the T-Mobile bands such as Mint Mobile or sell it as a white-listed phone). This is why there are many of us with LG phones that wish they'd just release one model per device, as the Qualcomm chip used supports a wide range of bands used by various providers.