unable to flash ROM-s,please help ! - Xperia SP Q&A, Help & Troubleshooting

Greetings,
I recently purchased a Sony Xperia SP and it´s unlocked for all networks,but as soon as I flash a custom ROM it becomes locked for all networks and it´s asking me for a SIM unlock code.
Anyone knows what´s the issue here ?

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Sony Xperia T Sim Unlock

Dear,
I will become owner of Sony Xperia T but from another operator who I using now. So my question is, does anybody know how to make Sim Unlock without rooting and flashing it?

[Q] Sim locked Xperia Z

Hello, fellow XZ owners! I finally got my Z yesterday, but it's locked to another carrier, so here's the question. Is it possible to unlock it by flashing stock ROM or any other ROM from here? I do have an unlock code, but I'm also wondering if my phone could lock itself up again by flashing some other ROM. Besides, I can't unlock it atm with the code as I still don't have micro sim.
Thanks in advance
Sent from my Cracksperia Arc

How to Unlock Bootloader on Xperia TX LT29i

Hi Friends, I need to Unlock bootloader on my first sony device which i bought it from my friend. So i'm completely new for Sony Device Community. So can you please guide me on How to Unlock Bootloader on Xperia TX LT29i ? I tried with http://developer.sonymobile.com/unlockbootloader/ There it don't show my device model. So What i can do Now ? Can please guide ?
Greetings friend,
I've personally emailed Sony asking for official way to unlock bootloader of my LT29i.
Unfortunately the reply was unfavourable , this means we'll have to unlock bootloader using unofficial method.
sam razzy said:
Hi Friends, I need to Unlock bootloader on my first sony device which i bought it from my friend. So i'm completely new for Sony Device Community. So can you please guide me on How to Unlock Bootloader on Xperia TX LT29i ? I tried with http://developer.sonymobile.com/unlockbootloader/ There it don't show my device model. So What i can do Now ? Can please guide ?
Click to expand...
Click to collapse
Hi buddy, I've verified that by selecting Xperia T in the Sony Official Unlock Bootloader link is working on Xperia TX as well as long as the IMEI you provide matches your device (selecting Xperia V may also works). Now my bootloader is unlocked. :fingers-crossed:
Credit also to @ibanez7 who feedback me to this solution.

Unlock Bootloader Xperia Z3+/Z4 SOV31 AU Japan Version

(ASK) Hello. Good afternoon from Indonesia. I am newbie in here. Please help me to root my Z3+ Japan Version because when I checked *##7378423#*#*, Bootloader Unlock Allowed: No. Please help me. Sorry for my bad English thanks.
I had the same problem, i don't know how to fix this
Garrsett said:
(ASK) Hello. Good afternoon from Indonesia. I am newbie in here. Please help me to root my Z3+ Japan Version because when I checked *##7378423#*#*, Bootloader Unlock Allowed: No. Please help me. Sorry for my bad English thanks.
Click to expand...
Click to collapse
Me too
:laugh::laugh::laugh::laugh:
disable xperia protection tools and all encryption mode after restart the NO become Yes :silly::silly::silly::silly:
ramonet666 said:
:laugh::laugh::laugh::laugh:
disable xperia protection tools and all encryption mode after restart the NO become Yes :silly::silly::silly::silly:
Click to expand...
Click to collapse
not work for docomo version 1292-0963_28.0.A.8.272 GLOBAL-LTECA-user
Not work For Me
Is Xperia Z4 (The non tablet one) and Xperia Z3+ the same phone? Cus the Z4 doesn't even get MM update... I want Nougat already
Same here nothing works..
Would be great to try a custom rom to try and cool this phone down...
burning a hole in my pocket..
Garrsett said:
(ASK) Hello. Good afternoon from Indonesia. I am newbie in here. Please help me to root my Z3+ Japan Version because when I checked *##7378423#*#*, Bootloader Unlock Allowed: No. Please help me. Sorry for my bad English thanks.
Click to expand...
Click to collapse
same probleme here
did find any solution ?
btw same from Indonesia here
wkwkwkk
Aircatcher said:
Is Xperia Z4 (The non tablet one) and Xperia Z3+ the same phone? Cus the Z4 doesn't even get MM update... I want Nougat already
Click to expand...
Click to collapse
They are the same phone, actually
I take it there isn't a fix for this presently? with a OS downgrade or otherwise? the Z4 can go down to Android 5.0 with official firmware.
Unlocked my SOV31 (au Xperia Z4) with the qUnlockTool (s1 network unlock tool) and this changed my "bootloader unlock allowed: no" to yes. I got the software and login credentials from a UK eBay vendor. If anyone runs into this information I hope it helps, took me forever to dig through threads on XDA/Reddit/GSM-Forum.
I need answers.

Question about Softbank Sony Xperia XZ3 801SO

Hello Everyone and Happy New Year ! so i have this Sony Xperia XZ3 801SO , unlocked and all , i just wanna know if my sim will be locked if i install a custom ROM on it , thanks everyone
HassSnackEater said:
Hello Everyone and Happy New Year ! so i have this Sony Xperia XZ3 801SO , unlocked and all , i just wanna know if my sim will be locked if i install a custom ROM on it , thanks everyone
Click to expand...
Click to collapse
Delete simlock.ta file if its there and after it no sim will be unlocked and u can flash your phone with any rom
I don't really understand about what you want express? What is "i just wanna know if my sim will be locked if i install a custom ROM on it." Please explain in correctly English

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