[Q] Losing "sim-unlock" after flashing custom ROM - LG Leon Questions & Answers

Hello,
I sim-unlocked my MetroPCS LG Leon today so that I can use a new Tracfone sim card in it. I had to revert back to stock rom 5.1.1 (MetroPCS) and use the "Device Unlock" app. It worked fine, and said my device was "Permanently Unlocked."
However, when I recovered my XenonHD TWRP backup, then booted with the Tracfone sim, the phone again asks for "SIM service provider unlock pin."
Is there no way to Permanently Unlock the phone from MetroPCS so that I can flash my own ROMs?
Do I need to flash different ROMs now -- ROMs for unlocked phones, or for Tracfones?
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More information: Tracfone has a BYOP program that allows you to use any unlocked ATT or T-mobile compatible phone with their SIMs. So I shouldn't need a Tracfone custom ROM. I was thinking more on the lines of T-mobile.

Related

[Q]Galaxy s4 U.S. Cellular text and sms problem after rom flash

Well I rooted my galaxy s4 sch-r970 for U.S. Cellular then I decided to flash a custom rom so I flashed PACman rom after I went into cwm and flashed it successfully and did a reboot of the system. After reboot and activation I can use my 4G but I cannot send sms or make calls in the settings it shows min is unknown and my number is unknown. for some reason I forgot to backup my original phone rom so I cant just do a restore. Is there anyway to fix this so I can make call and send sms.
Current Status​
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kernal/other info​
any help would be appreciated thank you for you time.

[Q] Domestic unlock help

Hello. I have a galaxy s4 i got as a trade the other day. It's on 4.4 rooted,with custom recovery etc. The thing is i want to use it on t-mobile. I tried accesing one of the hidden menus but i guess i don't have the msl code and no app works to get it. The question is: how do i unlock my device to succesfullly use it on t-mobile? (us) thanks.
ShadowDaemon0 said:
Hello. I have a galaxy s4 i got as a trade the other day. It's on 4.4 rooted,with custom recovery etc. The thing is i want to use it on t-mobile. I tried accesing one of the hidden menus but i guess i don't have the msl code and no app works to get it. The question is: how do i unlock my device to succesfullly use it on t-mobile? (us) thanks.
Click to expand...
Click to collapse
There are a couple threads on this in the Sprint S4/General section.
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will G928 model work on T-Mobile

I have the note 5 but have decided to get the edge + ,I can get the unlocked version G928 model on Amazon for $727 if I get straight from T-Mobile unfinanced its $779 plus tax. What I want to know is will the G928 unlocked model work on 4g LTE? And will other features such as WiFi calling work?
Anyone?
Unsure, Wifi calling may require carrier settings adding to it though that should happen when you insert the SIM Card.
Likely you have gotten a Factory unlocked jobby from somewhere though as all models are G928 the letters after this will help determine where it is from and what region it works with, as an example I'm in the UK and have a SM-G928F ... Thankfully not the Canyonero F model...
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Can't install any rom other than the current csc

I wan't to get rid of the current branded rom (csc = pls), but odin doesn't let me to install any stock rom other than pls ("fail" message after flashing).
The phone doesn't have a simlock, just a "csc lock" as it seems.
I have rooted the device and tried to change the csc with the app "Phone info" but that didn't work. Phone info says it doesn't support single csc devices or something.
What else can i try?
What carrier are you with...I don't recognise that code....
http://i.imgur.com/rVnFwJM.jpg
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Indeed it's Polish. I'm not Polish but live in Holland. Got this S5 second hand from a Polish guy.
I just installed CM13 and am happy so far. Gone is all the bloatware. Phone info still says PLS. Not important anymore for now but still looking for a way to change this (in case i want to sell the S5 with a Dutch stockrom).

Choose Network button disabled and unable to detect network after flashing custom rom

I flashed PE12 custom rom in Mi A1. After flashing, my mobile network stops working. Choose Network button under Mobile Networks is disabled. I changed the sim and flashed another rom , the issue is same.
Sim network is detecting correctly as Jio 4G and number too. Please see the images below. How to make this work?
Note: IMEI numbers are showing correctly.
Thanks in advance
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