I've got an unlocked s5 G900A AT&T version.. but stuck on kitkat 4.4.2. I'm in canada , phone works fine but cant get updates
Could I buy an att sim card (generic/dummy?) on ebay, then put that sim card in my phone, then hit check for updates and then it would in fact update..?
Then I could just put back in my current sim card and then I'd be all set ? Can this scenario work?
And I could just keep doing that from time to time or what?
h3r0x21 said:
I've got an unlocked s5 G900A AT&T version.. but stuck on kitkat 4.4.2. I'm in canada , phone works fine but cant get updates
Could I buy an att sim card (generic/dummy?) on ebay, then put that sim card in my phone, then hit check for updates and then it would in fact update..?
Then I could just put back in my current sim card and then I'd be all set ? Can this scenario work?
And I could just keep doing that from time to time or what?
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Click to collapse
I do it with a AT&T Straightalk Sim Card when I know AT&T has a new firmware upgrade... so I wouldn't see why not
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I am on AT&T and when I put the Roger’s sim card in, I could not unlock the phone from the lock screen. After I followed the directions to unlock the phone, The SIM card from Rogers could be used but I get “SIM not provisioned MM #2”. Has the phone been unlocked correctly?
This is my first android phone and I would like to have the phone unlocked to use a Roger's SIM card in case Rogers receives updates before AT&T, that I may update the phone. I know I could root the phone, but I have never done that and I bad at following directions. I checked software updates and the phone did not find any updates with the Roger's SIM card.
I believe updates are based on your CID and have nothing to do with what SIM card your using.
Sent from my HTC One using xda app-developers app
giper54 said:
I am on AT&T and when I put the Roger’s sim card in, I could not unlock the phone from the lock screen. After I followed the directions to unlock the phone, The SIM card from Rogers could be used but I get “SIM not provisioned MM #2”. Has the phone been unlocked correctly?
This is my first android phone and I would like to have the phone unlocked to use a Roger's SIM card in case Rogers receives updates before AT&T, that I may update the phone. I know I could root the phone, but I have never done that and I bad at following directions. I checked software updates and the phone did not find any updates with the Roger's SIM card.
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The first part, just means that your SIM has been deactivated, or hasn't been activated for use yet. And I believe the phone has been unlocked correctly if it recognizes Both Sims.
Updates are tied to your handsets CID, so unlocking will not allow you to get updates from other sources/networks. You'll still have to wait for AT&T to release your update/s.
Hi everyone,
I've been using an SM-920T 64GB Galaxy S6 bought from T-Mobile last summer. I did a permanent unlock using the T-Mobile application and since July I've been using the phone on the AT&T network. I just rebooted my phone today like I always do and upon restarting I got an "Invalid SIM Card" and it brings up a SIM network unlock PIN window that I can dismiss or enter a code into. What is going on?
I'm running XtreStoLite Deo 2.4 if that makes any difference.
Also, does anyone have the T-Mobile Device Unlock apk that comes stock with the phone? This is how I unlocked the phone in the first place but I don't have that app anymore since I run a custom rom, and the play store won't let me download it because I don't have a t-mobile SIM card in the phone.
Thanks!
Well for the benefit of whoever has the same issue. I flashed back the stock ROM via ODIN, ran the T-Mobile Device Unlock app, it said Unlock Unsuccessful in big, but right below it said the phone has been unlocked permanently. I put in my AT&T SIM and it was working again. Then I flashed back my TWRP backup and the phone remained unlocked. The non-Tmo ROMs get the unlock popup when a foreign SIM card is inserted, so getting an unlock code should work, but I didn't want to wait 3 days to receive one.
MrManH said:
Well for the benefit of whoever has the same issue. I flashed back the stock ROM via ODIN, ran the T-Mobile Device Unlock app, it said Unlock Unsuccessful in big, but right below it said the phone has been unlocked permanently. I put in my AT&T SIM and it was working again. Then I flashed back my TWRP backup and the phone remained unlocked. The non-Tmo ROMs get the unlock popup when a foreign SIM card is inserted, so getting an unlock code should work, but I didn't want to wait 3 days to receive one.
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Can you tell me what ROM you used? I have the g920T also, and bought it USED unlocked from ebay, but it had the FRP (factory reset protection) lock on it. I had my US cellular SIM card in it, even though I was stuck at the "enter your previous used google account on this device" and the SIM seemed to work (saw the LTE bars above).
But the only way for me to bypass the FRP was to flash to the ROM to stock (which I used the G920T tmobile ROM) and I got to the home screen but now it says "Invalid SIM card. Network locked SIM card inserted" just how you were saying.
When I try using the Tmobile unlock app, it says "Server not responding. Please try again later." .
Please help!
Hello, guys! I`m using my s6 at&t in Ukraine, and it works perfectly with my sim. Firmware is 5.1.1 Is it possible to install 6.x and it is possible to get my phone locked to at&t after installin it? thanks in advance
I doubt that if your phone is a unlocked phone also known as a sim unlock phone that is that it can be used with any carrier would get locked due to a software update. Since you mentioned that you are in Ukraine and if it works with the local sim that means that the phone is a sim unlocked phone and would probably not be affected by a software update.
Also just use odin to update the phone
mnp261194 said:
I doubt that if your phone is a unlocked phone also known as a sim unlock phone that is that it can be used with any carrier would get locked due to a software update. Since you mentioned that you are in Ukraine and if it works with the local sim that means that the phone is a sim unlocked phone and would probably not be affected by a software update.
Also just use odin to update the phone
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Thank you so much! i will try to upgrade it
I flashed my sprint note 8 to a unlocked firmware, and it's using a tmobile sim.
After the news, I try to switch back. I flashed the firmware N950USQS2BQL9_N950UOYN2BQL9_SPR using ordin. But when the phone boots up, it's T mobile, with the splash screen and my tmobile app and EVEN a Device Unlock app.
So I took out my sim and tried flash with no sim inside, it's still T mobile. I don't have the original sprint sim card anymore. And the present of the Device Unlock app is driving me crazy, and I also scared that the ota will brick my phone.
Please,anyone know how to fix it?
Are you flashing using the app data file?
Do you have any other non-Tmobile SIM card to check if your phone locked itself to Tmobile?
You might have the device unlock app installed on your phone, but this doesn't mean the phone is locked to Tmob.
Insert a non-accepted SIM card as here: https://www.unlockunit.com/blog/network-locked-t-mobile-usa/
And let me know the message your phone displays.
Also, check your IMEI if it's recognized by T-mobile servers with their own service here: https://www.t-mobile.com/verifyIMEI.aspx
I have an AT&T locked Note 9, i paid to have it unlocked and just to test it and make sure it did in fact unlock, i inserted a Sprint sim card into it and it changed the firmware to sprint. now i cant figure out how to get it back to AT&T since now it keep trying to register my phone with the sprint network and i have to disable the system apps to stop trying. Help??
Flash AT&T firmware via ODIN?