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Please help: Using a Verizon 7 EDGE in a GSM market with new SIM?

How do I get a Verizon S7 Edge to recognize a new GSM SIM? I want to use it on another carrier, and Verizon says it's not SIM-locked/carrier locked but when I put in the new SIM, it's not working.
Factory reset didn't work. Would an Odin flash work? IF not, what would?
Thanks. Not sure if I'm asking in the right place.

Flash the U firmware.
Using odin ^^

Depending on which carrier you are flashing to. You can flash the carrier specific file for whichever carrier you want, for example if you want to use it with T-Mobile you can download the T-Mobile Odin and PIT files to flash and it should work fine. Same with AT&T.
Or do as said above and flash the 935U firmware and it'll work fine. Though with this option there's no carrier extras like VOLTE, or wifi calling as far as I know.

I used another Sim on Verizon firmware. Look somewhere in connection settings. There was smthn about which network you want to use Verizon CDMA or GSM. Now i'm on U firmware.

A t-mobile SIM worked fine for me after entering the new APN settings. For best performance though, flash the U firmware to unlock the bands.

If your unlocking your Sprint phone for another carrier.

Do not use the stock Sprint software Numbers will not come formatted correctly when you receive phone calls.
For instance when you get a call it should show like this.
+1-808-123-1234
But on the Sprint software with a non Sprint Sim Card it will show like this.
+808-123-1234
So anyone who's saved in your contacts it won't show there phone number. And you also can't easily call them back from your call log.
And this also prevents blocked numbers feature from working correctly.
If you flash the unlocked firmware or you flash the carrier firmware of your choice this issues will go away.

Sheon849 said:
Do not use the stock Sprint software Numbers will not come formatted correctly when you receive phone calls.
For instance when you get a call it should show like this.
+1-808-123-1234
But on the Sprint software with a non Sprint Sim Card it will show like this.
+808-123-1234
So anyone who's saved in your contacts it won't show there phone number. And you also can't easily call them back from your call log.
And this also prevents blocked numbers feature from working correctly.
If you flash the unlocked firmware or you flash the carrier firmware of your choice this issues will go away.
Click to expand...
Click to collapse
Hmm, maybe this is why Google Voice can't send mms for me? I'm DSU'ed on G935P and using a Mint SIM (T-Mobile). When I try to send a mms from Google Voice, it says mms can't be sent to international numbers.
Sent from my SM-G935P using Tapatalk

Sim unlock.
So if I flash the unlocked firmware. Will this affect my sim unlock that I just paid for?

Sprint unlock
beauoare said:
So if I flash the unlocked firmware. Will this affect my sim unlock that I just paid for?
Click to expand...
Click to collapse
Nah it wouldn't reverse the unlock status, I'm 200% sure it wouldn't change anything. I personally unlock and flash the latest G955U1 and G950U1 firmware AQH3 on 6 S8+ and 1 S8. It's works great on All US carriers, you can also flash each 4 individual Carrier firmware. I have flash all of the firmware each carrier release on my SPRINT S8's with zero problems. Enjoy

Were did you get their stock firmwares? Looking for,sprints and you used a modified Odin to flash?

Hi, I'm trying to get my unlocked sprint s8 plus to be used on Verizon but no luck so far. Is this even possible.. Any advice would be appreciated. Thanks
Sent from my SM-N950U1 using XDA-Developers Legacy app

Hi guys, same thing happen to me, check this out.
Go to phone/settinga/more settings and uncheck the option of US dial

kdecoteau1 said:
Nah it wouldn't reverse the unlock status, I'm 200% sure it wouldn't change anything. I personally unlock and flash the latest G955U1 and G950U1 firmware AQH3 on 6 S8+ and 1 S8. It's works great on All US carriers, you can also flash each 4 individual Carrier firmware. I have flash all of the firmware each carrier release on my SPRINT S8's with zero problems. Enjoy
Click to expand...
Click to collapse
Hello,
There is no root forum on here. How did you find out how to flash?

KLY725 said:
Hi, I'm trying to get my unlocked sprint s8 plus to be used on Verizon but no luck so far. Is this even possible.. Any advice would be appreciated. Thanks
Click to expand...
Click to collapse
Did you ever get your phone unlocked ?

I have a Sprint Galaxy S8+. It has been unlocked by Sprint. I am giving it to my daughter and want to change the firmware to MetroPCS firmware for her. I have the latest T-Mobile and MetroPCS variant firmwares. Do I need a special ODIN to perform this? I'm a little confused because I keep seeing discussions about modded ODIN versions for the Galaxy S8 and S8+

at&t to verizon

I just picked up a used s7 edge from a at&t customer, every thing that I could find said once unlocked it would work on any network. I unlocked it via at&t, checked that it works on an at&t sim and Tmobile but it is not working on my Verizon sim and their techs can get it to work either.
Will an At&t s7 edge work on a Verizon network? if so how? Or should I find a different phone?
Thanks
Andy

That is an interesting question. I believe all the US based Snapdragon S7 and S7 Edges have the same hardware, so you would just need to flash Verizon or unlocked firmware over the AT&T image. That part is confirmed, as people have gone from V to U and A, and A to U and V. If I were you, I'd probably go for the unbranded firmware, but that's a personal preference.
The real trick is getting Verizon to properly provision it.

At&t is gsm and Verizon is cdma not compatible with cdma you need to give carrier imei that's how cdma works not just with SIM card
Sent from my SAMSUNG-SM-G935A using XDA-Developers Legacy app

The US (Snapdragon) S7 and S7 edge share the same physical hardware. There is a better than average chance that if he flashes the U or V firmware, and can get Verizon to put on their network, it will fly.

G935T to G935A
jshamlet said:
That is an interesting question. I believe all the US based Snapdragon S7 and S7 Edges have the same hardware, so you would just need to flash Verizon or unlocked firmware over the AT&T image. That part is confirmed, as people have gone from V to U and A, and A to U and V. If I were you, I'd probably go for the unbranded firmware, but that's a personal preference.
The real trick is getting Verizon to properly provision it.
Click to expand...
Click to collapse
Question: to convert from one firmware to another do I have to install U first? I want to convert my G935T to G935A to be able to use wi-fi calling. My phone is unlocked and everything works on At&t except for wi-fi calling (Or VoLte as I see it referred to often)

danoelise said:
Question: to convert from one firmware to another do I have to install U first? I want to convert my G935T to G935A to be able to use wi-fi calling. My phone is unlocked and everything works on At&t except for wi-fi calling (Or VoLte as I see it referred to often)
Click to expand...
Click to collapse
If this is your first device with AT&T to support WiFi calling, you may have to get a new SIM (or get your current SIM provisioned correctly).

So are you saying I don't need to install the G935A firmware?

Any way to get wifi calling on the U1 unlocked S8?

I have a new S8 (u1, XAA), unbranded unlocked, using ATT sim card etc. Is there any way to get the ATT features like wifi calling etc by flashing the ATT CSC or do I need to install a full ATT firmware?

f10a said:
I have a new S8 (u1, XAA), unbranded unlocked, using ATT sim card etc. Is there any way to get the ATT features like wifi calling etc by flashing the ATT CSC or do I need to install a full ATT firmware?
Click to expand...
Click to collapse
You need more then that. U need to provide att with an imei number from an att phone that has wifi calling available. And from what I hear it can't be iOS, must be android.
Sent from my SM-G950U1 using Tapatalk

Using the AT&T H910 outside of the US. Does that mean I will never get any update?

Using the AT&T H910 outside of the US. Does that mean I will never get any update?
I heard that an active AT&T sim card is required for software or system update. Is it possible that I buy an AT&T prepaid sim card from ebay and use it solely for system update outside of the US?

Yes. As long as you are on an AT&T network. Roaming on another provider will not work. You have to have an AT&T SIM *AND* be on the AT&T network.
The other very LONG way, is to root your phone, and then flash the latest firmware. If you don't want to stay rooted, then you can flash the latest full stock firmware which will take you back to stock.
-- Brian

I have this issue as well, unlocked AT&T version on Cricket, I bought a GoPhone SIM hoping that just putting it in the phone would work, but it needs to be active.

Okay thanks for your replies. I guess there is nothing more I can do about it then.

york824 said:
I heard that an active AT&T sim card is required for software or system update. Is it possible that I buy an AT&T prepaid sim card from ebay and use it solely for system update outside of the US?
Click to expand...
Click to collapse
If using 900ds on Cricket, will cricket push updates or can one use the att SIM trick? Ty