Question Verizon A02S unlocked but not able to use on other networks. Need help unlocking - Samsung Galaxy A02s

Hi,
So this device I bought from facebook marketplace and was told it's fully unlocked.
After inserting a different SIM, the device works for a minute, then shows an error saying it's not a verizon SIM and disconnects from the network.
I contacted Verizon and they're telling me that it's unlocked but I guess something in the firmware that prevents me from using the phone. I did a factory reset, now the phone setup won't finish without a Verizon SIM card. it stays stuck on that screen.
Is there a custom firmware that I flush this phone with and be able to use the phone?
Please advise.
Thanks.
Verizon A02S unlocked but not able to use on other networks. Need help unlocking

Hi. You have to remove headwind mdm thanks

Yes I need help to unlock my device

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What changes on phone when SIM unlocked ?

Hi Forum. May be my first post. I just SIM unlocked LG V10 on T-Mobile. Here is what I can say about the process that might be helpful to others:
1-Phones can be SIM locked by manufacturers so that service providers ensure that phones can only be used on their network or certain countries. See https://en.wikipedia.org/wiki/SIM_lock for more information.
2-The process of unlocking requires the service provider to request unlock codes from the manufacturer. The service provider may have requirements to unlock ( e.g. in my case I had to put $100 balance on T-Mobile prepaid card ). This process took 5 working days at which time T-Mobile emailed me to inform me that they were ready for me to initiate unlock on my device.
3-On my device, I ran a "Device Unlock" app which connected with somebody ( T-Mobile ? ) and verified my phone was actually unlock eligible and viola. I'm SIM unlocked.
What I would like to know is what has changed on my phone ( e.g. firmware, some information on some partition ) ? Does this mean I can now root, change ROMs and my phone will remain SIM unlocked ? Any links to information about what actually happens when device unlocked would be appreciated.
slomo2
What I can tell you is that, if you did unlock permanent it is going to be unlocked even after rooting and installing new roms etc.
Now, I want to ask in this forum if the phone can be unlocked if the t-mobile unlock app says it is not eligible to unlock. I bought my phone on eBay, called t-mobile the phone is clean, but they could not unlock it for me because needs an account... So now I'm stuck trying to find a 3rd party unlock website to do it, 2 already said they could not... So I have the phone but can't use it. Any suggestions?
Yes, I can confirm that on this LG V10 having performed a SIM unlock and then having switched ROMs the unlock remained in effect.

DM-vertify bootloop PROBLEM/Sim unlocking caused

Hello every one today i come with a very annoying problem i have a sprint variant s6 edge that is stuck in the dm-vertify bootloop. Now I think I was messing aroundin the wrong settings for my device while trying to getiting it unlocked for use on tombile via the iDone GT apk method.
Firstly I need to know how to get it to stop bootlooping either by odin flash or if there another way please let me know.
Secondly as for the unlock I am a using a US Tmobile activate Sim and I need more assistance getting the phone Working on their network.

unlocking h901 t mobile?

yeah, it uses the device unlock app.no it says i'm not eligible for unlock.the seller who sold it to me even requested tmo and was denied.tried rooting and messing with system files now it says can't connect to remote server even after reflashing stock using LGUP.Tried using the f600l rom port, no you can't get the sim unlock prompt to pop up.tried blisspop and resurrection roms, they do prompt for a sim code but the codes do not work it says 255 retries remaining<<<something not right there.I do have the right unlock codes, just get them from an unlocking site or ebay.Speaking of unlocking sites, they want 60usd+ to unlock the tmo variant WTF!! Also if you try to get into the sim unlock menu using stock rom (dial 2945#*901#) it just says device permanently locked for everything.Now if there was a way to get a stock rom or port from say at&t variant which has the sim unlock prompt it just might work.
The closest i've got to unlocking this thing i the actual network unlock screen that comes after you flash the stock firmwire through LGUP. it said 0/30 attempts or something for a brief second or two the first boot after reflashing and then it restarts before you can even do anything into os never to be seen again unless you reflash it again but again you will only see it for a second and its gone again.I wonder if there is a way to keep that screen on so you can attempt to unlock it via code.
Also I'm pretty sure the device unlock app is just there to check prerequisites of your t mo account.In reality it does unlock the same way as other phones.probably just applies unlock code from tmo database once it checks you've met the criteria for unlock.
t-mo has really locked these down .
So has anyone been able to successfully unlock this phone without the tmo app? or have a cheaper service to unlock this thing ? Else im stuck with a paperweight.

Att s9+ flashing to T-Mobile

Hey guys. I just ordered my s9+ (att model) specifically with the intention of flashing TMobile firmware for use on their Network. I chose the att version because it was on sale for $200 off, and since I'm gonna trade in my s7 I'm getting $200 for that and i got the phone for $400 off so i couldn't pass it up.
My question is, not having an att sim, and no plans to activate in their Network, would i need to acquire a sim unlock first, either from att or 3rd party, and would flashing the T-Mobile firmware undo the lock or is the sim unlock not even required?
Phone is paid for from Samsung.com so nothing owed and is brand new. I don't know what att requirements are but i could buy an unlock pretty much anywhere. But if it is needed first, would i need just a sim unlock or a complete device unlock? And do i need to do the sim unlock before flashing another carrier firmware for it to work?
All info helps. Thanks!
Flashing the firmware is just another method of unlocking your phone. As far as I know, it will be useless to unlock the phone before flashing (however, I am not 100% sure).
RossTeagan said:
Flashing the firmware is just another method of unlocking your phone. As far as I know, it will be useless to unlock the phone before flashing (however, I am not 100% sure).
Click to expand...
Click to collapse
Was told that sim unlock was at network level and had nothing to do with the Rom. So flashing wouldn't unlock it from the previous carrier. I flashed my s7 from Verizon to T-Mobile but it was previously sim unlocked. It worked like a charm and appears to be network locked to them. Device unlock all doesn't nothing and actually fails lol. Don't have another sim to test though. I'll play it safe and unlock first for the s9.

Issue with unlocking - Please help

Hello,
I have an SM-N950U from TMB which was purchased direct from Samsung when it was just launched after the whole debacle of the Note 7.
Phone has been working fine on TMB this whole time. Today I switched to VZW and attempting to have the phone unlocked.
I tried to use the Device Unlock app on the phone, with no luck. It fails when I try to Permanently Unlock the phone.
I called TMB for assistance, they said that the manager has tried to process it manually and has been unable to do so after multiple attempts. Escalated to higher support who got on the phone and said she's unable to help and does not know why it is not working. Said she will be escalating to a higher support group, but as of yet, nothing from anyone.
Is there any way of unlocking this phone without TMB?
I've attempted to flash VZW via ODIN, both U and U1, with no luck. I also tried the U1 XAA and still the same thing, I get a message "Network locked SIM card inserted".
Any help would be greatly appreciated as I am at a total loss and want to continue using this phone as I've been, just with VZW now.
Side note, maybe it's failing because the phone is already unlocked, just doesnt work with VZW? Not sure if thats a possibility, but is there any way to check to see if the phone is in fact unlocked or not?
Anyone?

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