Update Operator Logo - About xda-developers.com

Could admin update the logo for 'Portugal - TMN' mobile operator?
This change made before, was lost with the Forum SW upgrade.
New logo in attachment.

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Using wind on unlocked N900T, not registered on network

Hi,
I got a N900T from Canadiamgsm.... it's supposed to be unlocked.
I followed the instruction, charged and turn on with my wind canada sim... It does not call because of sim non registered (no service) ...
I tried from mobile network to select wind, but on right top I saw a circle with a bar in the middle... after some attempts with network mode and the way of selection for networks I had the normal bar that shows you've service, but when I try to call sim non registered again.
and a shield is on the left with written prevention information
an application has been forced to stop for an unauthorized attempt to access the system in your device
I did NOT install anything and I did NOT update android at all, it's on 4.3
Can I check if it's rooted and in case install a custom rom? Would it help or would it back to locked network that is even worse?
Thanks

Most interesting Network issue with lg G3- you will be amazed to read problem.

Sorry for bad english
I had bought Lg g3 D885 last week through some online shopping it was on stock 4.4.2 and i insert sim and made a call to my dad but then i seen on the forums that lollipop is out there for my so i just downloaded the Lg mobile support tool connected my phone pop up appeared says new version of software is available for your phone so i was happy and start updated my phone and everything was done phone booted up setup it and start using then i observed cross sign over signal bars and no network here start searching manually some time my network name appeared in the list then i select it says unable to connect to this network then i removed battery cleaned the sim tray with alcohol swab re inserted the sim same issue then i went to my service provider got new sim but no success then i started google then i found some sim lock menu dialing 2945#*855# a menu appeared listed :
Network lock
service provider lock
NetworkSubset lock
Corporate lock
SIM/USIM lock
one by open them and each option had same message ""This phone is permanently locked and can't be unlocked""
again starting google some sites says they contains info about blacklisted imei so i entered mine then it says imei cleared not in black list data then i wish to flash my phone with most latest firmware gone to website lg-phone-firmware.com i enetered my imei then info appeared it says lg d855 photo is attached regarding firmware info but when i went into about of my phone in Hardware info it says Model Number: LG-D855V(imei under battery plate is same *#06# contains) and got confused to see the model now need expert solutions and advises please and that website had no return policy thats whys i am sad about that please please help help for God sake.

Can somebody tell me please why updating my unbranded phone branded it?

I should explain, my LG G4 is a H815P, before the update (when it had lollipop) it was brand free and it didn't showed me the image I'm seeing now (I mean the image that is shown when you turn on the phone after the LG's logo), the change happened when I updated the phone from lollipop 5.0 to mm 6.0. Can you guys explain me please...
I did the update with my sim card inside the phone via LG BRIDGE... btw, the image of the carrier that is shown right after I turn on the phone is the same of my phone line which is Claro, I find this extremely weird because I DIDN'T BOUGHT THE PHONE "FROM THEM" I bought it from another store that sold it as a free carrier (or unbranded) phone.
I don't like the image from that carrier showing up, what can I do without voiding my warranty to keep my phone "clean" as before, like re-installing MM unbranded? and how do I do that...pls help
It's probably just something LG put in there, not that your phone is locked. I used to be from a network called MEO (Portugal) and didn't have any branding, but recently I switched the card for a Vodafone and suddenly LG started suggesting me to install apps from Vodafone (didn't get the boot animation tho) because Vodafone is partner with LG. It's probably the exact same thing you are facing right now, just something LG put on there that is activated when using a card from that carrier

SM-N902A no Cellular service, no IMEI, after flashing Nougat Update

Please Help !
I´m form Germany and got an SM-N920A from ebay with Android 6. It worked with an O2 simcard. It had no bloatware installed.
I had no ATT Logo by booting.... that was befor flashing nougat with odin.
Now i already have Android Nougat on the device, but can´t use the phone.
The wlan works, but in this ROM i have no symbol for the mobile data anymore.
i think the serialnumber also changed....
i tried to flash an other ROM, but with the same result.
Is there an chance to get connection/ use my sim, or to flash the original ROM without bloatware from ATT.
I hope there ist someone who solved the same problem.
Thx

Big problem. Galaxy A7 2017

Hello a few months ago i purhased a galaxy a7 2017 ds from ebay. The phone was android 7. Everything was ok until i upgraded to android 8 with odin. Then the network locked and i cannot make or receive calls. When i try i get a message of unregistered network. I tried to reinstall the rom with odin but same results. Both of the imei are shown and are clean. What can i do? The rom version is A720FXXS9CTJ2 brazil
Forgot to add that my carrier operator stuck to greek cosmote. My new sim is vodafone. When i insert the sim. I get the welcome to vodafone message. My contacts are there but not network registered. Sim info shows the operator as cosmote and not as vodafone
Hi! Did you solved it?
Make sure your imei from phone box and phone be match!
flashing new rom changes 'efs partition', which have your imei registration infos!
Useful to reflashing firmware from sammobile with re-partitioning option on (by pit file) !
If not works follow this: ref-a-2017-modems-and-bootloaders-collection.

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