[Discussion] T-Mobile sim unlock going into android Q - OnePlus 6T Questions & Answers

So as Android Q is getting worked on with new features that we all look forward to using, I wanted to ask since with Q there will be more ways of sim locking by carriers. How would that affect users that (e.g. haven't paid off the phone fully but used the fastboot erase modemst1 & 2 method to sim unlock to use the dual SIM functionality) or had purchased second hand that had a sim lock. Would they be sim locked after an official Android Q update?

I would doubt that would re-lock the SIM. Thats just my guess. AS long as your SIM is unlocked now it should be after update. I tried the beta and it did not re-lock the SIM.

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SIM Unlock and CM10

Would I need to unlock my SIM for international travel first prior to installing CM10 if I wanted to use my S4 out of the country? Would the SIM unlock also carry over to CM10 as well once it is unlocked?

Question about S5 (T-mobile) and unlocking sim/bootloader/running cm12

First off, sorry for the confusing thread title.
I'm currently running an AT&T Note 3 which has a locked bootloader and I've wanted to run CyanogenMod for a while now. I've ordered a second hand T-Mobile Galaxy S5 because I've heard the bootloader is unlocked and/or unlockable.
Can anyone here clarify how the sim lock/carrier lock works?
Will this require me to purchase an unlock code or will flashing the bootloader and custom firmware automatically unlock the sim? From my research I've read that I still need to unlock the sim, but I've also read that using a different bootloader can unlock it. Kind of confusing.

Simlock

I would like to ask @wujke as he is from the same country (and maybe same network as i am) one question.My carrier (from which i bought this device on contract) doesnt support official updates above kitkat.As i updated this phone to lollipop (different modem and firmware) is it possible that i broke a sim lock from my carrier.last week i was abroad and i used sim card from that country with no problem.Since i dont own any other sim cards i would be grateful if somebody could answer this question.Thanks in advance
Everything is possible, maybe it wasn't locked at all. In Telenor I've seen everything, from unlocked phones to locked without possibility to unlock bootloader.

Sim unlock S7 at&t

I received at&t S7 phone at work few month ago, I have never put in the sim card into the phone, now I want to sim unlock to use with Tmobile network, try to unlock with code purchase online but they can't find IMEI code... is there other way to sim unlock ,
Thanks
I recently bought an unlocked sm-g930a. Do you know if updating with the new at&t 7.0 firmware will lock the sim to at&t again?
Best Regards

sim unlock status of new Verizon phones

Hey all,
Are Pixel or any other phones from Verizon sim unlocked out of the box? i know it used to be. I'm not asking about boot-loader unlock, i'm just asking about sim unlock status. Are they sim unlock (with boot-loader locked) by default? Thanks

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