Network Unlocking - Xperia Z5 Compact Q&A, Help & Troubleshooting

I've recently upgraded to an XZ1 Compact, and intend to keep my Z5 Compact as a spare phone. In order to do this I need it to be Network Unlocked as I've switched from EE to O2 (UK).
EE supplied me with an unlocking code which didn't work, as it turns out the Network Unlock Code Counter is at zero (despite me never having attempted to unlock the phone before).
Sony are insisting that the only way for this counter to be reset in order to allow me to enter an unlocking code is if I send the phone to them for an engineer to do it. I can't believe in 2017 that this is the case, and there isn't some way of doing so remotely or even myself.
Does anyone know if this is the case or have any idea how to avoid having to send my phone to Sony?
Thanks!

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[Q] Frequent Crashes, Debranding

So I've been reading forums like every day since the 12th(launch in Canada), when I got my phone. So it's not like I came right on to ask questions without reading anything.
2 questions.
First is:
About half a week ago-a week ago I was reading about someone having frequent crashes and didn't really think much of it because my phone was working fine. People suggested backup and restore with pc companion, as well as taking it back to the dealer for replacement ect ect. Moral of the story is mine is now randomly giving me errors asking me to force-quit. like maybe 3-5 times a day? Is this common for an android device? Should I even be worried at all?(Not really sure what I should be expecting in reference to what other people are experiencing.)
Secondly:
So I've read a bit about debranding, would that be an option with a locked bootloader, and would that remove all of the bloatware shoved down my throat by my carrier? If so, which debranding pack(not sure on the terminology here=/) would be best to use if wanting to be as light as possible. Would a factory reset afterwards remove the debranding?
Extra Info: Unfortunately because Rogers in Canada owns the rights to selling Sony Ericsson's even purchasing the XpS directly from the Sony store(which I did)($500 Cad. +12% sales tax) limits you to a carrier lock via Rogers. (and a locked bootloader) Unit comes stock with .73.
Thanks in advance.
For second question answear is that you can debrand with locked bootloader with no problem (you just can not instal custom roms).
So far lightest would be Nordic software and personally I like to use UK generic where all unnessary apps can be deleted .
Factory reset would not remove debranding ( just resets settings and all of your customizations).
If you want to sim unlock your phone it is not difficult just order unlock code. I got mine for $5 from ebay, received code in one hour, now using it with fido.
Hmm you're with fido now? Wouldn't the unlock code be the be the same? Care to share?
Thanks for the information on debranding.
Sent from my LT26i using XDA
Unlock code depends on imei number of your phone.
I can share mine but it will not be accepted by your phone since unlock code is unique to each phone. Once you try to insert anything other then rogers sim card your phone will ask for unlock code, you have only 10 tries, after that phone will be permanently locked to rogers, so make sure you submit your imei correctly in order to receive correct unlock code.
In ebay just type unlock code rogers sony ericsson , the seller i used was freedommobile they charged me $5.49+taxx, see no point paying more then that.
Wow yeah.. I had no idea you only had like 10 tries. Can that be reset that counter via custom ROMing? I understand that custom ROMing sometimes unlocks, I was more or less asking out of curiosity.
Also.. If doing a factory reset wouldn't re-brand, Would doing a backup and restore via PC companion rebrand my unit? Or would that just restore back to the back to the base of what ever I used to debrand it with?
Uk Generic eh? Sounds like it would also be my cup of tea. I'm sure it's posted here, I'll use the search feature when I get home.
Thank you so much for your imput and follow up my friend.
If you ever want advice about digital cameras (professional/consumer) let me know, I'm a hobbist and sell them for a living. =]
Sent from my LT26i using XDA

why some versions won't allow bl unlock

Just bought Z5 compact on eBay went through to configure screen and says not unlockable what a pain. Thought all models could be unlock it gave me the unlock code when sent imei though
stevegtrlmk said:
Just bought Z5 compact on eBay went through to configure screen and says not unlock-able what a pain. Thought all models could be unlock it gave me the unlock code when sent imei though
Click to expand...
Click to collapse
You bought a phone that was sold by a telecom company. I`m somewhat in the same situation, i got mine directly from Vodafone and have the same :"BL unlock allowed :NO".
I have talked to Sony and they have said that when my contract will expire i can request from Vodafone a network unlock code. After unlocking the network the BL unlock option will become yes, they guaranteed this. But until march next year i cannot try this.
What you can do :
You can request a network unlock code from the carrier (if you do not have proof of contract end you will be charged for the network unlock code). After that you can use the sony BL unlock code. Please note that was reported that BL unlock had worked even with "BL unlock allowed:NO". Also after the network unlock it may still appear as NO but unlocking the boot-loader will work.
This is only theory for me, i have not tested yet

Mobile not able to register on any new network after using unlock code Huawei P20 Pro

Hi, I recently purchased a Huawei P20 Pro and have been trying to get it unlocked. I visited my usual unlocker in my nearest shopping centre but he said he could not do it as it was under 6 months old.
I have since received unlock codes from Mobile Unlock online but these codes have caused more problems than they have success. The phone believes that it is unlocked but afterspeaking to 3 support, it appears that despite being able to make Wifi calls the phone is definitely still locked to EE.
Any help is appreciated, I attempted a factory reset and cache wipe to restore phone to locked state but this has failed and I do not know of a way to re-enter the network unlock code or if it is even possible. Do you think it is worth taking to the EE store for them to have a look at it? Or is there an alternative and hopefully less costly solution?
Thanks

Xperia 1 SIM/Network locked. Any way to unlock it?

Hello everyone,
I bought a second-hand Xperia 1, but the seller didn't tell me it's SIM locked. I have struggled to find a fix for the past month (a couple of shops here said they couldn't unlock it), does anyone know of any software or anything to unlock it? I found threads on this site, but the links are dead.
The phone is Sony Xperia 1 (J8110) Single SIM, I think it's from the UK and not blacklisted.
Thank you.
Edit: I don't know the carrier to which the phone is locked. Also, I'm in the EU, but not the UK, so I can't go to carrier.

Carrier Unlock - S21 5G?

I just bought a second hand S21 5G. The phone was delivered to me, everything works fine but it is carrier locked (at least I think so).
Why I think so? Because it keeps telling me to install my carrier's apps (Vodafone apps) even though there was no SIM inside. Other than that, my SIM (Telekom aka T-Mobile) isn't being detected by the phone.
The seller is unreachable. I spoke to local police and they said there's no record of it being stolen or sold without permission (unpaid plan). It probably is a work phone that's permanently locked or something.
I searched for software to unlock it to no avail. I came across some websites but I don't know which to trust. I can't just try it out with the risk of being scammed because they're very pricey. What are some solution or, at least, trusted websites / methods to unlock it?
Also, when I look for the IMEI code, there are two codes. Does that mean I need to do two unlocks?
Does the device ask for an unlock code?
Carrier/SIM Unlock - Galaxy S21 Ultra 5G SM-G998U & U1 (QualComm SnapDragon) USA/CANADA! - NO ROOT- FREE
Here's a free How-To on how i successfully Carrier/Sim unlocked my Samsung Galaxy S21 Ultra 5G running the NEWEST Android update on bootloader 5 (USQU5BULJ)released in January of 2022 that was carrier locked to Verizon and now fully Unlocked...
forum.xda-developers.com

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