[Q] Remove simlock from the phone. - Xperia Z Q&A, Help & Troubleshooting

Hi guys, I have a question. I had to change provider when i bought my new Xperia Z. I also wanted to keep my current telephone number and it takes 10 days to migrate to another provider. So I'm kinda stuck here. The phone i bought is sim-card locked to the first provider, so I cant use the phone before the number is migrated, and I don't want to wait 10 days to play with that cute thing! What the procedure to remove this blockage? :laugh:

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[Q] How to change branded icons?

Hello everyone!!
I'm pretty new here and not a long time ago a purchased my Galaxy S phone and entered to Android world.
Then I got the Phone I had some built-in apps by the operator, but I managed to delete it somehow after I rooted my phone.
My second problem is restore to original welcome screen, shut down screen and the original dial icon instead of my cellular operator ugly symbols.
Who can advice to me how its done??
tnx to all

[Q] Unlocking the phone without ATT?? Removing Xperiment Root/Backup.

Hello,
So I need some help big time. :crying:I bought my sony xperia TL from Ebay back in beginning of August.( mistake for not getting a non-returnable, phone. But hey its ebay and didn't want a contract phone. ) My current carrier right now is Simple Mobile with a good unlimited everything plan. So i bought the phone as an upgrade to my current service. I had no retailer in my city to unlock this phone. ( it used to be that you can bring any phone to this service and they will unlock it for free regardless what the status of the phone) I had to do to another cell phone shop that usually unlocks phones. They unlocked my Xperia X10 before so I thought i give it to them again. I gave them my phone to unlock but they couldn't. Told me I had to buy an unlock code to unlock the phone. I bought that but they were not able to unlock. So after recieving my phone, the retailer was asked to submit a video showing us physically unlocking the code. The retailer didn't wanna do it told me to do it since I paid for it. So i submitted the video, but the company providing the unlock code said I they couldn't help if its hard locked. I'm like "wtf??????????" .
So a friend suggested that I get a friend to use to my phone (Xperia TL) to an origianl ATT customer and insert their Sim Let them use it for a week and they should get you the unlock code. When we inserted the ATT sim, it worked like a charm. After a week or two, we called ATT, they informed us that the phone was good to be unlocked and it required 36-48 hours. However, they do not unlock throught the phone anymore. You have to go on the ATT website att.com/unlock (something something) . When we tried that, it said the phone was not able to be unlocked.
Now this phone has another thing, it has some flash version of Xperiment pre-loaded on to it. I'm not sure if this is why ATT or the unlock codes are not working? If it is, then I would like to know a way of reboot the phone to get rid of Xperiment Software so I can use my codes to Unlock the damn phone and use on my Simple Mobile carrier. I've downloaded the Sony PC companion version to try to get reboot and reset the software but the stupid program wants me to insert the Sim and the use the unlock codes. Anyway I delete the software without destroying my phone's software, so that phone itself and/or PC companion recognizes the Simple Mobile SIM without asking for unlock codes?
I'm down $210+ in the hole for a phone I didn't use yet. I didn't plan on spending this much but if there is way it can be saved, i'd like to keep the phone. I doubt i get the same money back if I tried to sell it. It's been on CL/ebay for 3 weeks but no serious buyers. Its in great condition, but I need to know if I can reset the PHONE all the way and get rid of the Xperiment, and use the unlock codes to unlock the phone to use on my carrier?:crying:

sim network unlock bypass

ive owned a sony z1 for a few years now and love it, but broke my screen twice in a month, i have my current phone with half the screen working.
my girlfriend works at a cellphone store and a customer forgot / left / didnt care / his sony z1 at the store a year or so ago so its rotting on a shelf and she brough it home for me to see if i could use it as a replacement.
the phone is network locked. i dont know what carrier the phone had, ive rooted it thinking there might be a work around
anyone know if i can unlock the network without sending the imei and 50$ to some website? without knowing what carrier it might cost me a few attempts...
any help would be awesome
The phone can't be unlocked without a code.
Check the APN settings to see if they give you a clue about the network the phone was originally used on.
Sent from my Nexus 7 using Tapatalk
the phone was factory reset when it wasnt claimed , guess ill just go for the cheapest one and maybe do it twice.
If you are confident the phone still has the oem firmware, you can edit the build.prop file and look for the CDA number (starts with 12xx, followed by a dash and four other numbers), then grab a copy of xperifirm and look for that code. This will at least show which carrier the phone was customized for.

DEVS PLS HELP Losing Sleep over this and panicing

DEVS
Hi guys, my dad recently passed away and handed his phone down to me (xperia z1) C6093 which was initally locked to 3 UK.
Before he passed away he has it unlocked by 3 for free as its their policy to let you have an unlocked phone.
Basically his new phone was the new samsung galaxy j3 with lollipop on it. and i thought i like the look of that OS.
So i got the sony z1 and got the bootloader unlocked so i can stick a firmware of my choosing on it.
So as i planned i found a version of lollipop (offical as far as im aware) and put it on it with my sim inside it. EE.
Working for about 3 days and turned my phone on to a message saying, update comeplete please restart phone...
phone restarts and ever since wont detect my sim card.
ive reinstaklled the os lillipop, no avail
gone back to kitkat no avail.
and basically dont know what else to do.
if i type *#06# it still detects my IMEI
and if i do the *# whatever it is it says that its simfree and still unlocked.
#*#7378423#*#* ALL ARE SET AT 0, SIM 0 NETWORK, SERVICE PROVIDER ETC
ive read online that i could have backed something up and its quite important and i think i did back something up but cant remember what it is.
im a total noob at android and back in the day i was a whizz with apple around ios 6-ios7 days but thats a long time ago and moving onto pastures new i need a bit of help.
i used to come on xda devs when i had my tytn 2 years back.
Any help at this point would be amazing as im fretting that ive broke my dads phone he left for me and now hes gone
yours in good faith
/Jonno

Phone asks for a Network Unlock Pin?!

HELLO! This is my first XDA post, although I've known about it for many years, I never bothered to Log-in and at least participate in the comments part as I always had problems with the login part, finally managed somehow to get into my account.
Anyways, I recently encountered a strange problem with my phone, after about 1 year of use on the same network carrier and after an upgrade from stock rom to Lineage 7.2, and about 5-6 months of working perfectly fine, yesterday after a shutdown due to low battery, my phone started to ask for a Network Unlock Pin and made my phone unusable since I don't have signal and it sometimes shows that my SIM is missing.
I tried installing a new Rom because I thought it would fix it but it didn't, so I was wondering if anyone here has an idea what might have caused it and how to fix this ?! Would really appreciate any kind of help, since I still love my Mini and wouldn't wanna quit on it, Thanks !!
My current plan is to go back to the original Firmware, I'll see what I can find on the internet.
Model : SM-G800M
FCC ID : A3LSNG800M
SSN : G800MGSMH
IMEI : 355680/06/021555/5
S/N : R28FA16C648 14.10
BTW, I live in europe, Romania.

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