[Q] Z3x box SM-G900F Unlocking - Galaxy S 5 Q&A, Help & Troubleshooting

If i unlock my G900F using z3x box. Can I still update my phone using the OTA updates ? Or can I still flash custom/stock roms in my phone without losing the unlock ?

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[Q] bootloader locked?

I bought an i9505 LTE (it's not operator locked). How can I find out if the bootloader is locked?
I tried to install many firmwares (6), but they failed in Odin (only one firmware was good) - is that a sign of lock?
Also, I have Samsung Knox (if it helps).
And after root, when I try to reboot stucks on logo.
What's your carrier, what are you try to flash and what's the firmware that successfully installed. As far as I know the handset is unlocked. Some carriers mainly in the US have locked bootloaders. What was the original firmware on the phone.
Sent from my GT-I9505 using XDA Premium 4 mobile app

[Q] Unbranding my Note4

I have a question can I flash unbranded latest firmware on my T-mobile branded N910F without tripping KNOX?
If yes can i have link for latest lets say German DBT firmware? Thank you
Yes bro , u can use ODIN to flash the firmware and via ODIN knox doesn't trip. Warranty only gets void, if KONX trips.
and do you by any chance have some fast link for k4 firm?
T mobile is stuck on J4
jirka607 said:
and do you by any chance have some fast link for k4 firm?
T mobile is stuck on J4
Click to expand...
Click to collapse
This should be it, good luck!
http://www.sammobile.com/firmwares/download/39089/N910FXXU1ANK4_N910FOXA1ANK4_DBT.zip/
Hi there,
Can i suggest before you do it, i suggest to Network unlock your phone first. that's what i did before installing the unbranded firmware which you can find in Sammobile. im in O2 UK and after unlocking the Network unlock, i installed the unlock firmware using odin. since its a gebuine firmware, it didnt trgger the knox.
jirka607 said:
I have a question can I flash unbranded latest firmware on my T-mobile branded N910F without tripping KNOX?
Click to expand...
Click to collapse
Yes, you can. But there's something you should know.
A branded Note 4 usually does NOT have that dreaded "Region Lock", prohibiting the use of any local SIM cards saving you a wealth of money if you're abroad. Check the box your Note came in. If there's no sticker informing about the device being locked to a special region of use, you don't have that Samsung disease.
Flashing a stock ROM is likely to activate that mindless "Region Lock".
So remember to flash an original carrier firmware prior to leaving for vacation.
iom_jack said:
Hi there,
Can i suggest before you do it, i suggest to Network unlock your phone first. that's what i did before installing the unbranded firmware which you can find in Sammobile. im in O2 UK and after unlocking the Network unlock, i installed the unlock firmware using odin. since its a gebuine firmware, it didnt trgger the knox.
Click to expand...
Click to collapse
Unbranding has nothing do with the network lock.
I guess this is what I was looking for, so what I understand is, that on my Tmobile US note4, I can flash firmware of international version, and then my note4 will be like non carrier version Note4.
Yes, my device is already unlocked.
Sent from my SM-N910T using Tapatalk

[Q] any easy way to SIM unlock a GT-I9500 ?

Hi guys,
I read a couple of threads and tried a couple of things and didn't work... Im trying to sim unlock my Galaxy S4 GT I9500 on stock android 4.3 not rooted and is not working.
I read about a code using *#0011# code and didn't work.. Post was not specific about using no sim, original carrier sim or desire carrier sim.. anyway I tried all and was a failure.
I read another thread about flashing a modem and downgrading the firmware but wasnt specific enough about how to do it and the requirements (android version, rooted?, how to do it, etc)
I try one of those "code pages" and even they couldnt help me. My carrier is Movistar in Nicaragua.
Is there is any easy way to SIM unlock my phone? maybe by just installing a pre-rooted, pre-unlocked rom? or is there is a page/guide/video with specific instruction on how to do it?
thanks in advance.
I think the step by step instructions on SIM unlocking in the main thread on the topic are pretty specific. They don't mention downgrading the device modem through Odin however because they were written before Samsung patched the exploits that allowed the SIM unlock to work.
Downgrading the modem to an Android 4.2.2 version in the AP/PDA slot in Odin is necessary to run either unlock metbod. However, you can really mess things up trying to unlock if you aren't careful, especially with the service menu exploit.

Canadian Samsung S4 SGH-I337M.

sir ,i have Canadian Samsung S4 SGH-I337M. i unlock it in india.iwant to flash lolipop rom, i all ready doen load Bell
I337MVLUGOC4 - 5.0.1 Lollipop, it.so sir can i flash via odein?sim will be lock?kindly reply
I think ur trying to ask if u flash in odin will it lock ur sim unlocked phone if so the answer is no it will not lock ur phone flashing roms threw twrp and odin do not effect sim unlock status

[Q] UICC SIM unlock and flashing Custom ROMS

Guys,
sprint just unlocked my phone for international use. I want to flash now a custom ROM . Will i loose the unlock if i flash a ROM or is it a permanent unlock?
Thanks
Hello,
No- you will not lose the unlock. I have flashed several ROM's since my international unlock from Sprint and I am still unlocked.
Yes that's what it is. Thanks man
Sent from my SPH-L720T using Tapatalk

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