Z3x box unlock for samsung galaxy s5 - Galaxy S 5 Q&A, Help & Troubleshooting

I bought a z3x box off ebay and want to unlock a used smartphone that i bought off the site Phone Rush I unlocked all my galaxy s4s fine. But when I got to the Galaxy s5, the z3x box gave me an error when it came to unlocking. I currently have version 20.00 and do not want to buy the z3x pro activation. Is there something im doing wrong?

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Unlock S4

Has anyone successfully unlocked the phone yet? Looking to buy a Canadian version and need to unlock. Usually use cellunlocker.net, but didn't need it for the S3 or Note 2 that I've had

[Q]can't realease Galaxy s4 sim locking

please help me.
I'm from Israel, a friend bought for me Galaxy s4 GT-I9500 from Samsung Direct in california. according to them the device is international and unlocked.
Yesterday my friend gave me the device, but the israeli sim isn't working on it. it asks for sim network unlock pin.
I tried all of the guieds of the service mode and a few apps, and even paid 25$ for the code to an unlocking site but they gave me a wrong code.
Can someone help me?

Samsung S4 Unlock code won't work i9500XXUBMG9

I have purchased the unlock code for Samsung Galaxy s4 with i9500 and originally purchased this from Saudi Zain telecom and it didn't work...here
and it ask for unlock code...and I did purchase this from unlocker unit and still it won't work and please someone help
I don't have service mode option working and it is stock and formatted the phone and using the new sim card and tried everything and it doesn't work...please advice
There is no unlock code for the L720! You got scammed. If you want to unlock the phone for use on other carriers look for the threads on here that explain how to do it.

How to unlock Galaxy A3 (SM-A300H) without unlock code?

Hi All,
My friend is having Galaxy A3 with model number SM-A300H running Build number Kitkat build KTU84P A300HXXU1AOA4. After puting SIM card phone asks for unlock code.
I want to know if there is any other workaround to unlock\ unbrand the device without paying to Carriers or Third party service providers? Please help!
Unlocking Samsung A
You can unlock A3 unofficial , but you need to pay for an unlock Box like Z3X , octopus,etc. It cost more than you phone!
Carrier unlock for Samsung Galaxy A3
Was looking for same. Had a Galaxy A3 from Saudi Arabia. Needed some cost efficient (and my by cost efficient i obviously mean something that doesn't incur any cost) ways to remove the carrier lock.
I don't think free options exisit anymore with todays smartphones, unless you got access to a box.
https://en.wikipedia.org/wiki/SIM_lock

Question about network unlocking on my sm-g900t

Ok so i have a t-mobile s5 900t that im contemplating buying an unlock code for, but almost every code dealer i find has some sort of disclaimer such as this one:
Please purchase only if your phone ask for Sim Unlock Pin with different carrier sim card in it.
Strictly no refund If your mobile ask for unlock through unlock app.
Please don't apply any special code to enter the unlock menu because the code will not work on devices which have device unlock app installed.
Do not order Unlock Code for your Samsung Cell Phone if your Samsung Cell Phone have "Device Unlock App" installed (even if you find a way to enter code in cell phone). These concern last version of Samsung released after June 2015 and will concern most likely all future Samsung Cell Phone. Code will NEVER work on Cell Phone with "Device Unlock App" and we'll not refund order.
Samsung T-Mobile NEWGEN 2015 versions will get an unlock code on certain models. New ones will get added as soon as they become available, but for now these are the known supported models:- Samsung Galaxy Note 4 IMEI’s starting with 3545 and 3560- SM-G900T Samsung Galaxy S5 IMEI’s starting with 3536 and 3518- SM-G386T Samsung Galaxy Avant IMEI’s starting with 3548 and 3528- SGH-T399 Samsung Galaxy Light IMEI’s starting with 3547- Some other models supported. Try IMEI’s starting with 3571, 3575 and others.Not Supported Models:- IMEI’s starting with 9900- Samsung T-Mobile models like Galaxy S3, S4, Exhibit, Note 3 and older models.Unsupported Models :- IMEIs starting with 9900 are not supported "Mobile Unlock App" installed and that are not asking for SIM Network Unlock PIN​.
The thing is, i dont have the device unlock app, even after factory resetting my device. when i try to boot the phone with a sim from another carrier (and ive tried a few different ones..), ive never been asked for the network unlock code. I bought the phone in october of 2014, and my imei starts with 3518, so going off of their requirements my phone should be supported, the only thing it doesnt do is bring ip the unlock menu when using a new sim. I just dont wanna waste money for a code that i wont be able to use. Has anyone else experienced this problem as well or have any input? I was wondering what if i were to root and install a rom; might it ask then? Any advice will be greatly appreciated. Thanks

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