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How to unlock the Samsung Galaxy S4 SCH-R970
I bough this phone online thinking that i will unlock and keep using on different carriers even outside the US (GSM)
I have done a lot of researches online and i cannot find any solution. The imei is only 14 Digits and almost all online unlocking services doesn't have this model.
The usually codes like *#0011#, *#27663368378# they doesn't work at all.
I have tried to go to unlock stores or guys who knows to unlock phones and he said that this phone cannot be unlocked.
phone has a sim card slot so it should be CDMA&GSM
When i insert a different sim card provider it says Invalid Sim Card so i cannot enter any unlock code
ANY IDEA or i will lose 500$ for bad phone
Uscc is not a gsm phone the sim card slot is used for thw 4g service the phone itself is cdma
Sent from my SCH-R970 using XDA Premium 4 mobile app
jtjames003 said:
Uscc is not a gsm phone the sim card slot is used for thw 4g service the phone itself is cdma
Sent from my SCH-R970 using XDA Premium 4 mobile app
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??
Anyone know if its possible to unlock?
cynthiadx said:
??
Anyone know if its possible to unlock?
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Click to collapse
did you find a solution? i have th same problem but my phone is s3
jtjames003 said:
Uscc is not a gsm phone the sim card slot is used for thw 4g service the phone itself is cdma
Sent from my SCH-R970 using XDA Premium 4 mobile app
Click to expand...
Click to collapse
you are wrong..when samsung fixed/made the phone give the phone all the feuatures..like thisphone can bee gsm and cdma phone..but uscc lock the gsm and they only want to use cdma..i contact samsung and they told me..all s4 models in every counrtys are same..but uscc lock the gsm network..now we have to 'brake' their lock or give us the unlock code..thatt all.. i also have the same promble..no solution yet..
SkilleR039 said:
How to unlock the Samsung Galaxy S4 SCH-R970
I bough this phone online thinking that i will unlock and keep using on different carriers even outside the US (GSM)
I have done a lot of researches online and i cannot find any solution. The imei is only 14 Digits and almost all online unlocking services doesn't have this model.
The usually codes like *#0011#, *#27663368378# they doesn't work at all.
I have tried to go to unlock stores or guys who knows to unlock phones and he said that this phone cannot be unlocked.
phone has a sim card slot so it should be CDMA&GSM
When i insert a different sim card provider it says Invalid Sim Card so i cannot enter any unlock code
ANY IDEA or i will lose 500$ for bad phone
Click to expand...
Click to collapse
Check this ##366633# the first code in dial app that works..even imei code dont work this code is going in one dm mode any ideas what is this?
Samsung gs4 sch-970c (cricket)
Samsung has told me this phone will work either gsm or cdma. Cdma is the way cricket first sold it. It cannot be unlocked. It is cdma. It has to be flashed to a new carrier after it is rooted. The sim is locked via software. Not many codes and all the unlock codes you read about are for gsm. The ##366633# code you mention gets you to a disable or enable developer mode.
i also have the same issue. Not resolved yet. but I did find out this that might help: if i pull up a website that checks the MEID number it gives me the whole description of my phone plus an extra digit on the IMEI number. I wonder if this is why third party unlock sites cant help me
Who has unlocked cricket sch-r970c?
Same problem. Cricket said they cannot find the unlock code if the phone was never activated. So this was never activated.
I have rooted it to OptimizedCM-12-1-20151130. Is it now unlocked?
OR, who has successfully flashed a custom ROM to unlock the software lock on it?
The struggle continues...
I just repaired my USC s4 LCD digitizer and now that I am no longer a USC customer wanted to unlock it so I did some checking, if you go to US cellular they will unlock the phone for you, I got my unlock code, but they said they couldn't complete the process if the phone was rooted (Which mine is), you would have to reinstall the USC original firmware, or the latest firmware, to get it to unlock, then root it. I am doing some research now to find out if there is indeed an alternative to unlock a rooted phone...
I just left US CELLULAR where I was told nothing below the s5 could be unlocked,and the only suggestion from any one employed there was to call customer service.
you try RegionLockapp ???
I unlocked my t mobile s4 with it, i had to flash to a earlier firmware, then root, then use RegionLockapp, then re-flash whatever rom you want.
Hi .
I have bought a S8 locked to US Cellular on eBay, clean , not blacklisted and when I try a SIM card from my operator does not ask for unlock pin code and remains without registering on my network.
Does anyone know any website or any method to unlock It?
Many thanks in advance.
qryche said:
Hi .
I have bought a S8 locked to US Cellular on eBay, clean , not blacklisted and when I try a SIM card from my operator does not ask for unlock pin code and remains without registering on my network.
Does anyone know any website or any method to unlock It?
Many thanks in advance.
Click to expand...
Click to collapse
Does it have a unlock app in apps drawer or in settings. It may be unlocked. If ure sim works. WhT carrier you on.
Thanks for your answer.
I live in Portugal and I tried 2 different SIM cards. The phone shows in upper left screen the message "SIM blocked". I searched for an unlock app too but I can't find any like in T-Mobile phones I bought in the past.
US Cellular is a CDMA network provider whereas in Portugal you probably have only GSM networks.
I think you should look into this and investigate this issues as well.
Another info: I flashed with Odin with the latest USC official Rom from sammobile. Can be this the cause?
This is 950U version and therefore has the GSM frequencies as well.
Even if it was only cdma it would prompt to insert the network unlock code....
Any help?
WHen I put a sim card it appears a forbidden sign on the top, where I should see the network signal...
https://www.youtube.com/watch?v=yysQbPLf8l0&feature=youtu.be
Hi i'm from the Philippines, i bought my phone from amazon. Is it possible to unlock this even it is not connected with T-Mobile network?
I hope it is possible
Btw
Is this legit?
https://www.facebook.com/gsmserviceremote/
http://www.simunlockremote.com
Anyone?
On which T-Mobile network is your phone locked? If it's locked to any T-Mobile network from Europe, then you just need to unlock by inserting the unlocking codes.
As you mention you bought your phone from Amazon, I presume it Amazon US and your phone is locked to T-Mobile USA. In this case, your device can be unlocked only through the Device Unlock App, and in this case, you will need a T-Mobile SIM card inserted in your phone whilst performing the unlocking process.
Here is a simple guide that shows what I said above, that you might need a T-Mobile SIM or not, depending on the message your phone displays: https://www.unlockunit.com/blog/network-locked-t-mobile-usa/
RossTeagan said:
On which T-Mobile network is your phone locked? If it's locked to any T-Mobile network from Europe, then you just need to unlock by inserting the unlocking codes.
As you mention you bought your phone from Amazon, I presume it Amazon US and your phone is locked to T-Mobile USA. In this case, your device can be unlocked only through the Device Unlock App, and in this case, you will need a T-Mobile SIM card inserted in your phone whilst performing the unlocking process.
Here is a simple guide that shows what I said above, that you might need a T-Mobile SIM or not, depending on the message your phone displays: https://www.unlockunit.com/blog/network-locked-t-mobile-usa/
Click to expand...
Click to collapse
My phone is not asking an unlock but it has a Device Unlock App.
I have inserted a T-Mobile SIM but i think is it not connected with T-Mobile Network (cause i live here in the philippines).
When i am trying to unlock my phone using the app, it will say that my device is not eligible.
The guide here https://www.unlockunit.com/blog/network-locked-t-mobile-usa/ says that "device’s IMEI will need to be registered as Unlocked/Eligible". - Do you have an idea on registering the IMEI?
Thank you.
Registering the device IMEI as unlocked is the step that needs to be taken only after the message displayed when inserting the SIM shows: "Device is eligible...".
Unfortunately, if your phone displays the message that is not eligible, you can't unlock it with the device unlock app. In this case, I think your only option is to root it and change the firmware. If you can't connect to T-Mobile USA, you can't use the unlock app.
No need for unlock app now TMB can be unlocked through ADB pm me if u need help
[/COLOR]
instrumentaly said:
No need for unlock app now TMB can be unlocked through ADB pm me if u need help
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Hey, can i get your help with the unlock using ADB
Did you unlock your phone through that adb-method?
instrumentaly said:
No need for unlock app now TMB can be unlocked through ADB pm me if u need help
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Click to collapse
Can you help me with Sim unlocking my tmo lg v30?
Hi mate..
I unlocked my LG G6 TMO using Z3x dongle. For this to be succeeded your G6 needs to be rooted and on 11g firmware. Once you unlock it, you can update your fw to 20a (oreo) using TWRP and your phone will still remain unlock for all network. You can find some reference by googling with keyword "H872 unlock z3x". Hv a nice unlocking mate. Cheers.
unlock help pls
luckk said:
can you help to unlock mine ?
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i need your help to unlock my s8
---------- Post added at 02:40 AM ---------- Previous post was at 02:39 AM ----------
luckk said:
can you help to unlock mine ?
Click to expand...
Click to collapse
I need your help unlocking my s8
Can u help me with adb commands to unlock my alcatel fierce 4
Hey could you help me with an unlock for a galaxy s8 on tmobile
Tmb s9+ help
instrumentaly said:
No need for unlock app now TMB can be unlocked through ADB pm me if u need help
Click to expand...
Click to collapse
Help with adb instructions
instrumentaly said:
No need for unlock app now TMB can be unlocked through ADB pm me if u need help
Click to expand...
Click to collapse
@instrumentaly
I could use your help with my s8 please
instrumentaly said:
No need for unlock app now TMB can be unlocked through ADB pm me if u need help
Click to expand...
Click to collapse
Will this work on my t mobile s9?
You can get Unlock code. Provide IMEI number of mobile and Sim company name is T-Mobile. Country is USA.
Insert other sim card to mobile.
It ask to enter unlock code.
Enter your unlock code and mobile is unlock. You do not need to connect T-Mobile. More details is
How to Sim Unlock T-Mobile
Carrier Unlock T-mobile sim for iPhone Samsung galaxy lg. Get T-mobile network unlock code from IMEI or find hidden unlock code house within mobile.
mobile-cellphones.blogspot.com
instrumentaly said:
No need for unlock app now TMB can be unlocked through ADB pm me if u need help
Click to expand...
Click to collapse
Please I need help with unlocking an S8 with ADB
I've tried the secret phone codes in google but unfortunately, they don't work anymore. I was wondering if there are any new ways.
BUMP
Are you talking about SIM unlock or bootloader unlock?
terminator911 said:
Are you talking about SIM unlock or bootloader unlock?
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Click to collapse
SIM unlock, bro.
If this is your phone then you can ask AT&T to unlock it for you:
https://www.att.com/deviceunlock/?#/
If not then look around eBay for sellers who specifically target this device; they can provide you with an unlock code for a small fee.
Hi,
I found that "unlockboot" can help me to unlock my S10+ SMG-G975U, that previusly UnlockUnit identify my device as Unavailable - CDMA and something like that topic.
Do you recommend unlockboot to unlock by 99USD?
Thank in advance!
Are you wanting to carrier unlock it or bootloader unlock it? The phone is already carrier unlocked, just insert your SIM. The bootloader cannot be unlocked on the G975U.
StoneyJSG said:
Are you wanting to carrier unlock it or bootloader unlock it? The phone is already carrier unlocked, just insert your SIM. The bootloader cannot be unlocked on the G975U.
Click to expand...
Click to collapse
Hi,
No, there is a message that said "Sorry, your device can´t be activated on another carrier's..."
What carrier are you on? If you flash the U1 unlocked firmware and insert a SIM, it should work. If you don't want to flash then it looks like you need an unlock code, which is odd because from what I have read the G975U is already carrier unlocked.
StoneyJSG said:
What carrier are you on? If you flash the U1 unlocked firmware and insert a SIM, it should work. If you don't want to flash then it looks like you need an unlock code, which is odd because from what I have read the G975U is already carrier unlocked.
Click to expand...
Click to collapse
Thanks, I will try to flash U1 fw. The cellphone is Verizon, and I am looking to move to Movistar (Telefonica) of Mexico.
StoneyJSG said:
What carrier are you on? If you flash the U1 unlocked firmware and insert a SIM, it should work. If you don't want to flash then it looks like you need an unlock code, which is odd because from what I have read the G975U is already carrier unlocked.
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Click to collapse
Wait wait. So you're saying my Sprint S10+ is already unlocked? Just need to flash the U1 software?
If you purchased a carrier branded model new it doesn't normally come unlocked. You need to own the phone outright before a carrier will unlock it and some carriers require that the phone be used on their network for a minimum period of time (usually 1 or 2 months) even if you did purchase it outright from them.
You cannot flash U1 firmware on an S10+ unless it's carrier unlocked.
Hello,
I flashed this one: https://forum.xda-developers.com/s10-plus/how-to/sm-g975u-firmware-downloads-tmo-spr-att-t3908657. Everything goes ok, and the message of unlocking appears, requesting me the unlock code.
Any suggestion?
Thank you!
jhs39 said:
If you purchased a carrier branded model new it doesn't normally come unlocked. You need to own the phone outright before a carrier will unlock it and some carriers require that the phone be used on their network for a minimum period of time (usually 1 or 2 months) even if you did purchase it outright from them.
You cannot flash U1 firmware on an S10+ unless it's carrier unlocked.
Click to expand...
Click to collapse
Actually you can flash U1 firmware anyway, but it will still be locked to the same carrier without the unlock code. Carrier locking is IMEI based, not software or device based.
Sent from my SM-G975U1 using XDA Labs
Have you tried calling the carrier and asking them to unlock it? Most carriers will unlock your phone once you've had it for 3 months.
Psedog said:
Have you tried calling the carrier and asking them to unlock it? Most carriers will unlock your phone once you've had it for 3 months.
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Click to collapse
I cannot get contact with agent support, I need to have a Verizon number get into the call
jwarrior319 said:
Actually you can flash U1 firmware anyway, but it will still be locked to the same carrier without the unlock code. Carrier locking is IMEI based, not software or device based.
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Click to collapse
Recently the firmware for the S10+ became all-inclusive like on the S9 models so I'm not sure if flashing U1 firmware over carrier firmware will get rid of the carrier apps anymore. They seem to get installed now automatically as part of the provisioning for the installed SIM card. If you have a network unlocked Verizon phone and insert a T-mobile SIM you end up with the T-mobile boot animation and T-mobile apps and all the Verizon stuff is gone. Maybe the U1 firmware doesn't work the same way.
I read in a different thread that you have to activate the phone with Verizon and wait 3 days. After that just put in another carrier SIM and the phone should auto unlock.
jhs39 said:
If you purchased a carrier branded model new it doesn't normally come unlocked. You need to own the phone outright before a carrier will unlock it and some carriers require that the phone be used on their network for a minimum period of time (usually 1 or 2 months) even if you did purchase it outright from them.
You cannot flash U1 firmware on an S10+ unless it's carrier unlocked.
Click to expand...
Click to collapse
this is incomplete and some is inaccurate..
his vzw device doesnt need to be paid off but does need to wait 60 days from activating on the verizon network before they unlock it..
also you can absolutely flash u1 firmware on a u device, it has literally nothing to do with the sim lock.. and no, flashing u1 on u doesnt magically unlock the sim..
pretty sure on U firmware vzw device will say message cannot be used on another carrier yet.. on u1 will i believe prompt for unlock code when a dif. carrier sim is inserted
https://www.verizon.com/about/consumer-safety/device-unlocking-policy
sprint however needs to be fully paid off and active at least 50 days and account needs to be in good standing to be eligible for sim unlock
StoneyJSG said:
I read in a different thread that you have to activate the phone with Verizon and wait 3 days. After that just put in another carrier SIM and the phone should auto unlock.
Click to expand...
Click to collapse
its a 60 day period, not 3 days lmao
hackerjj22 said:
Hi,
I found that "unlockboot" can help me to unlock my S10+ SMG-G975U, that previusly UnlockUnit identify my device as Unavailable - CDMA and something like that topic.
Do you recommend unlockboot to unlock by 99USD?
Thank in advance!
Click to expand...
Click to collapse
are you trying to unlock the Sim or the bootloader? i have the same phone and was disappointed to find out i couldn't unlock my bootloader. no root no custom rom smh. but it's because Samsung removed the developer option to "oem unlock" which must be enabled to unlock. so done online service claiming to be able to do so is crap and waste of money. also if you're trying to unlock the Sim which I think that's what the site is claiming to be able to do because Sprint is a CDMA network if you unlock the SIM the only other service you can put it onto would be boost or Virgin Mobile which just use Sprint's towers. they're the only network still using CDMA. so pointless all the way around sorry buddy.
kw69747 said:
are you trying to unlock the Sim or the bootloader? i have the same phone and was disappointed to find out i couldn't unlock my bootloader. no root no custom rom smh. but it's because Samsung removed the developer option to "oem unlock" which must be enabled to unlock. so done online service claiming to be able to do so is crap and waste of money. also if you're trying to unlock the Sim which I think that's what the site is claiming to be able to do because Sprint is a CDMA network if you unlock the SIM the only other service you can put it onto would be boost or Virgin Mobile which just use Sprint's towers. they're the only network still using CDMA. so pointless all the way around sorry buddy.
Click to expand...
Click to collapse
Thanks for your reply!
I am trying to unlock the sim, the cellphone was Verizon US, (refurbished by asurion). And wanted to use Movistar (Telefonica, from Mexico just GSM). I am searching to do a root and try to follow this guide: https://forum.xda-developers.com/showthread.php?t=1693491. So what I understand, the site "Unlockboot" could do a CDMA unlock, and after 3 days of chatting with the person that is on service there, sounds that are possible, also is possible that I can continue using my GSM provider of Mexico. But it is very expensive 99$ USD is 2000$ MXN... Also, I do not trust a web service, also if there isn't a reference on this forum.
So that's the update...
kw69747 said:
are you trying to unlock the Sim or the bootloader? i have the same phone and was disappointed to find out i couldn't unlock my bootloader. no root no custom rom smh. but it's because Samsung removed the developer option to "oem unlock" which must be enabled to unlock. so done online service claiming to be able to do so is crap and waste of money. also if you're trying to unlock the Sim which I think that's what the site is claiming to be able to do because Sprint is a CDMA network if you unlock the SIM the only other service you can put it onto would be boost or Virgin Mobile which just use Sprint's towers. they're the only network still using CDMA. so pointless all the way around sorry buddy.
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you are wrong.. U variants will work on all us carriers once sim unlocked.. its been this way a few years now..
also, i can get oem unlock but youre still not missing anything because bl unlock doesnt work still lol
I think ibowtoandroid who maintains multiple Samsung device threads on XDA has an unlock service but I'm not sure what he charges.
---------- Post added at 01:36 AM ---------- Previous post was at 01:27 AM ----------
Where I live there are multiple independent phone shops that sell SIM cards and phones and are not affiliated with a single carrier and also phone repair shops that offer to SIM unlock a phone as a walk in service. You can probably find a shop to do it if you don't trust an online service.
jhs39 said:
I think ibowtoandroid who maintains multiple Samsung device threads on XDA has an unlock service but I'm not sure what he charges.
---------- Post added at 01:36 AM ---------- Previous post was at 01:27 AM ----------
Where I live there are multiple independent phone shops that sell SIM cards and phones and are not affiliated with a single carrier and also phone repair shops that offer to SIM unlock a phone as a walk in service. You can probably find a shop to do it if you don't trust an online service.
Click to expand...
Click to collapse
Let me contact him, thanks!