Hi i will be receiving a Samsung galaxy s5 in the post tomorrow it will be locked to the network o2. I have heard that if the phone is updated to the latest firmware it will not be able to be updated. So i thought i just wont update it out of the box then and will leave it with the factory update the phone will be the latest model also. I have unlocked phones to networks before but never one of these i have looked through these forums for a decent guide but cant seem to find one. If somebody could point me in the direction of how to root the phone " the rom file and ect" and then a guide how to unlock the phone after it is rooted i would really appreciate it thanks
Hi guys,
I need some clarification re: carrier unlocking and how it works. I recently purchased a carrier unlocked G920T, and I was going to start messing with custom roms/kernels and other goodies. My question is: Will the phone revert back to being locked if I do a factory reset or if I unlock the bootloader and flash custom roms?
I'm not a T-Mobile user, so I can't get another unlock code from them.
Thanks!!
The G920T has a carrier unlocked version, which is probably the one you have, not the T-Mobile one. Even if it is, usually a carrier unlocked device will remain unlocked forever unless it was unlocked using a different or hacky method, then there is a possibility that it will relock
Sent from my SM-G920T using Tapatalk
Yeahh go ahead, mess with it. when it is carrier unlocked, the software doesn't affect it, unless it is a hacky method like @serio22 said, but there isnt such hacky method for the GS6 so have fun.
If it is a G920T (the T means it's from T-Mobile), then carrier unlocking is not a guaranteed state. I paid T-Mobile the full price to get my GS6 and they "permanently" unlocked it. Then after a OTA software patch all of a sudden it locked itself again and I couldn't use my phone for 2 days while they tried to unlock it. T-Mobile's new device unlocking uses a new system which has the phone "phone home" to their servers to check if you're allowed to use it outside of their network. It happened again when I accepted the Android 5.1.1 OTA. So...beware of T-Mobile's not-very-permanent permanent carrier unlocking.
I am living in india..
My relatives brought me the t model ( i wanted f model instead of i sold in india for quicker updates but got t model...lol )
Anyways,
The moment i inserted my sim, it worked like a charm so its unlocked at the moment.
I dont know how they made payment their or how it was unlocked, but the way used must be legit coz its still stock at the moment without root / recovery etc. .
I read humo saying it can get locked again...
My main question, what are the odds of that happening?
Also since i live in india, i wont be able to contact t mobile via phone/walk in, are there ways i can get it unlocked again?
I dont have the bill too if it matters
i believe they have an app that unlock ur device since that is how i unlocked mine. if not u can try to contact customer service online since u r not in US.
With device unlock app , will i have to pay for unlock my s6 g920t or it'll unlock my device for free.
I have an unlocked s6 tmobile from usa, i heard the flashing stock rom will relock the device.
If the phone will relock then how can i unlock it again?
I'm not sure about flashing a stock ROM relocking the device. Mine re-locked when T-Mobile sent Android security patches. This week I did the Android 6.0 OTA update and it has remained unlocked.
Hey guys! i have a factory unlocked version of s6 tmobile, my question is if i can flash the tmobile MM firmware . My model says "country: cellular south" and the firmware country says us tmobile, so i dont know if i can flash without any problems, (Sorry for my english it sucks) thanks !
polipol15 said:
Hey guys! i have a factory unlocked version of s6 tmobile, my question is if i can flash the tmobile MM firmware . My model says "country: cellular south" and the firmware country says us tmobile, so i dont know if i can flash without any problems, (Sorry for my english it sucks) thanks !
Click to expand...
Click to collapse
Polio, i have the same phone and i flashed MM without any problems. Check out the q&a section here and theres a recent thread that talks about how to that refers to a reddit post
Sent from my SM-G920T using XDA-Developers mobile app
bitbank said:
If it is a G920T (the T means it's from T-Mobile), then carrier unlocking is not a guaranteed state. I paid T-Mobile the full price to get my GS6 and they "permanently" unlocked it. Then after a OTA software patch all of a sudden it locked itself again and I couldn't use my phone for 2 days while they tried to unlock it. T-Mobile's new device unlocking uses a new system which has the phone "phone home" to their servers to check if you're allowed to use it outside of their network. It happened again when I accepted the Android 5.1.1 OTA. So...beware of T-Mobile's not-very-permanent permanent carrier unlocking.
Click to expand...
Click to collapse
How did you solve this? My phone stopped working flashed newest (G920TUES5DPK1_G920TXAR5DPK1_G920TUES5DPK1_HOME.tar.rar) and i can't go to older version as that gives me ;
Code:
SW REV. CHECK FAIL DEVICE: 5 BINARY: 3
Christiaanjadieja said:
How did you solve this? My phone stopped working flashed newest (G920TUES5DPK1_G920TXAR5DPK1_G920TUES5DPK1_HOME.tar.rar) and i can't go to older version as that gives me ;
Code:
SW REV. CHECK FAIL DEVICE: 5 BINARY: 3
Click to expand...
Click to collapse
You can't downgrade your bootloader so you'd have to pay to unlock it unfortunately
crixley said:
You can't downgrade your bootloader so you'd have to pay to unlock it unfortunately
Click to expand...
Click to collapse
Got it done remotely!
I have a Galaxy S6 (SM-G920T) from T-Mobile. It was locked. But it has an "Unlock" app installed by default. I used it and phone was instantly unlocked! Fast, easy and free!
I used to live in the US for a year and bought a g920T. Since i had the requirements i Unlocked and came back to my country but because of a problem, I had to install a stock firmware and now the unlock is gone.
So i'm wondering, if someone with a unlocked phone made firmware backup, remove the IMEI, and send it online would it work? I mean, right now it works just fine, so i can backup my IMEI and ID and just restore it if needed.
Please help
danveer said:
I am living in india..
My relatives brought me the t model ( i wanted f model instead of i sold in india for quicker updates but got t model...lol )
Anyways,
The moment i inserted my sim, it worked like a charm so its unlocked at the moment.
I dont know how they made payment their or how it was unlocked, but the way used must be legit coz its still stock at the moment without root / recovery etc. .
I read humo saying it can get locked again...
My main question, what are the odds of that happening?
Also since i live in india, i wont be able to contact t mobile via phone/walk in, are there ways i can get it unlocked again?
I dont have the bill too if it matters
Click to expand...
Click to collapse
I am in same scenario as you are/were,I am also having s6 (Tmobile) please tell me did flashing relocked your device?
So far no
I have flashed recovery - custom rom - kernel
Messed up sometimes so even went back to stock using odin then flashed everything again
Its still unkocked
Hello! I've bought my S6 (SM-G920T) as carrier unlocked but when my pcb has burned due to factory fault and sent my phone to Samsung they gave me again it was locked. I'm from Argentina and I haven't T-Mobile sim to unlock with default application. I've called to my carrier in Argentina and they said me the IMEI it's unlocked but my phone still sais it's network blocked... Can anybody help me?
vita_lp said:
Hello! I've bought my S6 (SM-G920T) as carrier unlocked but when my pcb has burned due to factory fault and sent my phone to Samsung they gave me again it was locked. I'm from Argentina and I haven't T-Mobile sim to unlock with default application. I've called to my carrier in Argentina and they said me the IMEI it's unlocked but my phone still sais it's network blocked... Can anybody help me?
Click to expand...
Click to collapse
Have you tried with the tmobile device unloced app.? If that doesnt work then head over to this awesome guy, he can help you unlock it remotely. https://forum.xda-developers.com/tmobile-galaxy-s6/general/sim-unlock-honestly-free-t3601740
I was using S6 T-Mobile (TMB1) and it was carrier unlocked..after that I rooted my phone and due some reason i decide to go back to stock but by mistake i flashed the wrong rom S6 T-mobile (USA) (XAR) instead of (TMB1) now my phone is network lock and i can't flash back the (TMB1) file because it's giving me error on Odin (Device 4, Binary 3) and on smart switch it get stuck again and again please help :crying::crying::crying::crying::crying: i am confused what to do now
zxn0331 said:
I was using S6 T-Mobile (TMB1) and it was carrier unlocked..after that I rooted my phone and due some reason i decide to go back to stock but by mistake i flashed the wrong rom S6 T-mobile (USA) (XAR) instead of (TMB1) now my phone is network lock and i can't flash back the (TMB1) file because it's giving me error on Odin (Device 4, Binary 3) and on smart switch it get stuck again and again please help :crying::crying::crying::crying::crying: i am confused what to do now
Click to expand...
Click to collapse
This happened to me when I went from stock rooted to Twisted 6 MM (http://forum.xda-developers.com/tmo...mkernel-twisted-sixx-mm-v1-epd1-4-25-t3366230)... I tried a couple of different things and nothing worked so I ended up using a reputable online site that did sim unlocking and did it that way. Paid $15. You have to go through the T-Mobile Device Unlock app after you have a sim unlock code and then restart the phone with the new SIM. If you are the original owner of the Tmobile S6 and can provide your original proof of purchase you can call Tmobile and they will provide you an unlock code for free.
Hi ,
I have an unlocked Galaxy S3 phone (Sprint phone) It is an Android 4.4.2. The model Number is: SPH-L710. I am trying to put Freedompop on the phone, but unfortunately, it is not working. I rooted the phone with SuperSu and I downloaded 'change APN' app and created an APN: fp.com.attz , but it it still does not work. It appears locked to sprint. Any suggestions would be sincerely appreciated.
Hi Everyone,
I purchased a Brand new unlocked S10 in Canada. But it has some Sprint bloatware, no biggie but every time I boot the phone I get an annoying message (SS) that stays, seems like forever. It goes away, then I get another message stating "Activation Failed". I would like to get rid of this. Have tried a few guides from XDA to remove bloatware. I did remove/disable everything referencing Sprint but the message persists. Can I flash a stock rom that would give me a carrier free version with a region free code? If so which one would I use? I did Try flashing SM-G973U1 that was XAA and that failed. Will flashing a stock ROM trip the Knox counter(Fuse)? Will I still get OTA updates? I am with Lucky Mobile and I do get cell service. Thanks