While on the sprint network I paid cash for a Samsung Galaxy S7 back in March 2016. I switched to ATT for better service. I was told by att that the phone would work on their network. It doesn't work. They said I need to have the phone unlocked. Through a LOT of BS sprint finally told me it was unlocked and gave me an unlock code. Phone still wont work. The error I get is invalid sim card. Sent phone twice to samsung. Still wont connect to att network and still has invalid sim card. Spoke to samsung executive level of customer service and they said there is nothing wrong with the phone that I need to take it to sprint and have them unlock it. Sprint just says this phone will only work on the sprint network. SO I have a $750.00 phone that is less than a year old that is useless?? Has anybody run into this? Can anyone help me?
Galaxy s7 not working on AT&T network
Hi, I'm a tech from a store, it would work on the att network, but need to be unlock first. You mention sprint that give you a code, Did You enter it when the phone ask for? How did You use it? [emoji41]
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security00602 said:
Hi, I'm a tech from a store, it would work on the att network, but need to be unlock it first. You mention sprint give you a code, right. Did You enter it when the phone ask for? How did You use it? [emoji41]
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The phone did not have a spot that i could see where to insert the code. It did not ask for one.
Try other sim cards, when you turn on the phone it should ask for a network unlock code.
Galaxy s7 not working on AT&T network
The code to unlock the phone need to be of eight digit, if they bring You with the 6 digit code, that code is for manual program, or SPC code. Go to network setting and check for the GSM option, it would need to be turned on. Also need the APN (Access Point Network) to be programmed.
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My stepson got my wife a Samsung Galaxy Mega 2 SM-750a for Xmas because we are switching from Verizon to Ting and our old phones are locked to Verizon (plus they are old).
When I put the Ting GSM SIM card in the phone is prompting me for an network unlock PIN, I requested an unlock from AT&T, and after 5 days they came back with this.
AT&T said:
Thank you for contacting AT&T about unlocking your mobile device.
Unfortunately, your unlock request was denied because:
Your device is no longer supported, and we can no longer obtain the unlock code from the manufacturer.
Questions? Please call 800.331.0500, or dial 611 from your AT&T wireless phone.
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What are my best options to get this phone working?
I want to purchase a G5 and am wondering if will be more prudent to get an international unlocked one for AT&T or get the tmobile version and unlock it. The GSMarena website shows that both phones (the H830 and H820) carry different bands (no 29 and 30 for the tmobile version). Although straight from the LG website both the 820 and 830 show the EXACT same band supports. Thanks!
aermis said:
I want to purchase a G5 and am wondering if will be more prudent to get an international unlocked one for AT&T or get the tmobile version and unlock it. The GSMarena website shows that both phones (the H830 and H820) carry different bands (no 29 and 30 for the tmobile version). Although straight from the LG website both the 820 and 830 show the EXACT same band supports. Thanks!
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Don't know yet but I am having a hard time getting my g5 to sim unlock today. T-mobile said it should unlock through the app but it has not worked for me yet even though I met all of there requirements. They said they are escalating the issue. I think maybe they are having technical difficulties with the unlock server. But surely they will figure it out. I will try to report back.
I'm wondering this too. It looks like it should specs wise.
Clear the data on the unlock app and try again, had an issue with a Xperia z3 recently where the app wouldn't allow me to unlock despite being paid off and on the network for over a year, rep said to clear the app data and try again, worked like a charm after trying for three weeks and speaking to 5 different reps who all had varying solutions, one even said she needed to submit a request and id be emailed once approved, last guy was like nope, once it meets requirements its an automatic procedure server side. So I did as he asked and boom!
jtannehill07 said:
Don't know yet but I am having a hard time getting my g5 to sim unlock today. T-mobile said it should unlock through the app but it has not worked for me yet even though I met all of there requirements. They said they are escalating the issue. I think maybe they are having technical difficulties with the unlock server. But surely they will figure it out. I will try to report back.
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I've been escalated more than 8 times already.
No unlock yet.
In 10 days I will be already 40 days in the network.
Lets hope this helps.
Finnally got my phone sim unlocked Saturday
I got 4g hspa+ but can't seem to get lte working. But calls and text seems fine. Anyone know how to get AT&T LTE working on the tmoblie g5?
How did you unlock your phone. That seems to be the big deal...
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fvc2000 said:
How did you unlock your phone. That seems to be the big deal...
Sent from my Nexus 5 using XDA-Developers mobile app
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I unlocked it though the app seems there was an issue with the unlock server at t-mobile as the unlocked app failed many times. I called tech support many times but finally i got an email with instructions how to unlock it later with the app and i tried it again and it worked. It said "unlock failed: Unlock Approved: Mobile device is permanently unlocked."
I think the unlock failed was a typing error. but it is now indeed unlocked. tech support had to do something to allow it to be unlocked. I would say keep calling support until it works. now I think I must use my old att phone imei# in order to get LTE working? It seems if your phone imei# is not in a whitelist they wont let u access lte network? If anyone knows how to get Lte working let me know pls?
AT&T 4G LTE is working for me
AT&T LTE is finally working for me. Note to anyone looking to use this phone on AT&T LTE the sim you use must first be activated in AT&T phone first , to enable 4G LTE if it is a new sim. Or if you already got a sim in a phone and LTE is working it should work in the phone if you have correct APN settings.
It seems the sim has to be provisioned in a AT&T brand phone with its imei # which i believe is white-listed for LTE on a AT&T server.
Yes my device is now sim unlocked and I am using it on AT&T now.
I am using my T-Mobile G5 on cricket an AT&T mvno. I switched because they have a totally unlimited plan for $70/Mo only catch is they throttle your speeds to 8 megs down on LTE and 4 megs down on 4G. I bought my phone outright from T-Mobile used it for 2 months on T-Mobile prepaid on the $50 plan and T-Mobile unlocked it for me through the app. I had no problem at all getting LTE from cricket once I put in the correct APN settings. LTE showed up within 30 min after number was ported from T-Mobile.
I called Sprint and had them unlock my rooted, stock-Android 6.01 (G900VPU3PCA) SM-G900P Galaxy S5 for domestic and international. Sprint also gave me a 6-digit MSL unlock code.
I inserted a new, T-Mobile SIM card into the unlocked S5 and I activated the SIM card on T-Mobile's website. However, the phone displays "Invalid SIM Card" in the notification area, and I get no voice or data. I tried restarting a few times. I also tried dialing ##72786# to reset the PRLs a few times. It won't activate. It still displays "Invalid SIM Card".
T-Mobile reps say to call Sprint.
Sprint reps double checked that it is unlocked and said that:
1) For Sprint phones built prior to February 2015 (like the Galaxy S5, but not the S6, S7, etc.), unlocking only truly works for non-US SIM cards & international use.
2) Domestic unlocks only work if the domestic carrier is willing to work with you to reprogram your phone using the "unlock" MSL code that Sprint gives you when you have them unlock the phone. T-Mobile is not willing to help me reprogram the phone.
3) I did find a site (idoneapps.com) that claims to be able to unlock the phone and fix the "Invalid SIM card" error for $35. But for that price, I'd rather just sell my Sprint GS5 and buy a T-Mobile GS5 because the Sprint G900P doesn't support T-Mobile's LTE bands. (It only supports HDSPA+, which is probably fast enough, but may not be common throughout the USA).
Can anyone help me figure out how to get this phone activated on T-Mobile without paying a fee?
I struggled with this. Idoneapps used to have a free version that worked for unlocking but it has since been scrubbed from the web. I went ahead and paid for the service, and it workeds well.
Since you got the unlock code and already performed the unlock. I recommend getting the free galaxy tools app that was made prior to it becoming idone.
I used version 3.12
Check sim lock status, if still locked go ahead and unlock then use idoneapps recommended steps to enable tmobile service.
You need to change the gfc settings. This might let you use another sim card.
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Hi everyone
I’m kinda puzzled with this note 8 and need some advice. Recently got a note 8 from AT&T and since I was traveling I had it unlocked to use by a third party company ( since att doesn’t unlock until Device payment is complete)
I got the code, unlocked the phone successfully. Before I left USA I put a working T-Mobile sim to test if connectivity, no luck, it doesn’t work, I tried a Verizon sim, nothing works....
Note... this T-Mobile sim and Verizon sim if I put it on a different device it will work...
any reason why this is happening
jmathew86 said:
Hi everyone
I’m kinda puzzled with this note 8 and need some advice. Recently got a note 8 from AT&T and since I was traveling I had it unlocked to use by a third party company ( since att doesn’t unlock until Device payment is complete)
I got the code, unlocked the phone successfully. Before I left USA I put a working T-Mobile sim to test if connectivity, no luck, it doesn’t work, I tried a Verizon sim, nothing works....
Note... this T-Mobile sim and Verizon sim if I put it on a different device it will work...
any reason why this is happening
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The phone is not unlocked. Seems like an error happened when you got the unlock code. I'd try again.
Did you use this device on the att network? I mean, do you have it activated?
If you unlocked it by codes and the message after inserting the code is something like "unlock successfull" then your device must accept other GSM SIM cards.
Also, I would recommend you place a 5 min call with your device, with the att sim card and then insert again the tmob card.
What is the message when you insert the tmobile card in this device?
I did the same thing by using a Tmobile SIM during the unlocking process, and it worked on TMobile right after I unlocked it. It sounded like you did not unlock it using a different network SIM but using some other method. I am not sure if that mattered or not.
I then traveled to Asia, and I bought and used a local SIM card with zero issues. The 4G LTE was faster in that country than AT&T... LOL
Ok so I'm in tmobile prepaid.
I have a galaxy s10e that is was purchased full price from someone else. We verified everything at a tmobile store. The unlock was approved and i got the email approval. The tmobile device unlock app for this phone doesn't work. So I have to go to settings>network>more>network unlock
Or something like that. I get an error message that ends in 0x86
On both temp and perm unlock
I already went through it with tech support 17 diff calls. Nothing. Nobody knows what this error is. Ine tech guy gave me two sets of numbers. Both 8 digits. I believe these are the nck or unlock codes but my question or rather what I need help in is inputting these codes. I tried the generic ones I found online to no avail. The dial codes is what I'm talking about. Also when I reset with unlocked rom it still says to put tmobile sim. And doesn't give me a option to input unlock code that I have
I even called Samsung and they cant help me bc it's a tmobile phone. Tmobile doesn't know how to input the code when I do mention it. And yes I reset the phone put a diff sim. Tried with Abd w/o wifi. Everything.
So now I flashed the U1 rom on it amd the unlock options in the network settings is no longer there. Obviously bc u flashed the unlocked rom on it.
Any suggestions? Tmobile is giving me minimal help bc I'm a prepaid customer
It has to be unlocked with the previous owners sim card
RomLord14495 said:
It has to be unlocked with the previous owners sim card
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Got it unlocked after switching to postpaid then going thru them and cancelling out the line once it got unlocked