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Flash a unlocked G1, will it still be unlocked?

I have a white G1, with T-mobile RC33 firmware, that I bought unlocked from ebay. So I don't have the unlock code, and I live in Norway..
Can I downgrade and flash the phone to root and dev phone, and the phone will still be unlocked afterwords?
Or does it have to be unlocked again after the procedure? Something I can't do..

It will still be unlocked.

I done the same thing with my unlocked phone from ebay, flashed and rooted with no problems.
* I take no responsibility for any problems encountered! *
*edit* I'm too slow

[Q] Sim unlock required after Baseband Upgrade?

Will upgrading to the new V21Y fw require me to re-unlock the phone because of the baseband update? I have the unlock code for the phone but I'm about to take a business trip to another country where I want to use another sim. Im afraid that the V21Y firmware update would sim lock the phone again and require a new unlock code.

No it will not.
Sent via G2X-SINGH-UI

Thanks, gonna try it this weekend

The unlock is stored in a special partition of NVRAM which is never touched by a firmware update. Once unlocked the phone remains unlocked unless your carrier relocks it by OTA, which they never do.

[Q] Return to stock from rooted, unlocked BL 2.20

I have not rooted my phone yet, im wondering (just in case i ever need to) send my phone to HTC for repair, can i lock my BL again and return to stock from rooted 2.20 WITHOUT the BL to say RELOCKED? is this possible? Thanks!

No. Maybe if/when S-off is achieved. But currently, no.
People have had no issue returning to AT&T for warranty with relocked BL.

[Q] Is my bootloader unlocked?

So, I recently got a Galaxy s3 and i noticed that when I boot, It says samsung custom with a little lock that is unlocked. Is my bootloader unlocked somehow? Im new to samsungs so i dont know much about the bootloaders and such. It is running the latest firmware with 4.4.2 and rooted with towel root.

johnny567 said:
So, I recently got a Galaxy s3 and i noticed that when I boot, It says samsung custom with a little lock that is unlocked. Is my bootloader unlocked somehow? Im new to samsungs so i dont know much about the bootloaders and such. It is running the latest firmware with 4.4.2 and rooted with towel root.
Click to expand...
Click to collapse
If your on 4.4.2 your more than likely not unlocked. 4.3 and 4.4.2 are both locked bootloaders. To be sure you can post a screen shot of your about phone screen here
Sent from my Nexus 5

will flashing stock rom again in unlocked phone lock the phone ?

..I was already told by a friend here that if I again flash a stock rom in my sm-900p phone which I got unlocked for international GSM use (using from India) , it won't get locked again ...with all due respect to the friend who affirmed me already that it won't get locked ,can anyone else confirm that to me please ? I am not able to dare to flash the stock rom....since two days I am just waiting to take that step..presently I am using darkwolf rom but I want to flash with stock rom so that bootloader and modem gets updated and then on that version,I will flash this rom again ..that's my plan

If you mean will lock your bootloader, yes .

It will not lock your network again, if you already had a sim unlock/network unlock, it will remain as that even if you reflash, lock status is in a different memory not in the one overwritten by your ROM.
If you are talking about the bootloader, none of my motorola , samsung or htc devices relockes the bootloader once you have unlocked it, you have to manually relock it if you want to do that by any reason.