[Q] How to sim unlock on Android 5.1.1 based Rom - Galaxy S 4 Q&A, Help & Troubleshooting

Hi I am on antaresone Rom 5.1.1 and I want to sim unlock if is possible (free ) or any method also free
Thanks in advance

Not on a custom ROM. You'd need to restore your stock ROM through Odin first, then follow the instructions in the S4 unlocking thread in General. Just make sure to read the last few pages, because people seem to keep missing the little detail of downgrading the modem before trying it.

Re
What version 5.0 Kitkat 4.3, 4.2.2

Read the thread I mentioned. The answers are in there, with a little digging.

Related

[Q] i337s4 att odin/safestrap 4.4.4 to 5.0 ?

I have the att i337 (galaxy s4) that i have rooted and have safestrap 3.72 installed on. I followed the directions http://forum.xda-developers.com/galaxy-s4-att/general/guide-odin-to-stock-updating-rooting-t2926642 for the installation.
recently i saw that android 5.0 was released for this phone. I currently am as 4.4.4
what's the best way for me to update the phone. I've tried ota, but it failed.
can i just remove the safestrap software and do the update then? I really don't want to lose my information on the phone again
You could follow the keep root guide in general section.. Try to keep questions in the correct thread thanks and good luck..
http://forum.xda-developers.com/showthread.php?t=2320430 ( ͡o ͜ʖ ͡o)
ended up just flashing using the instructions from http://forum.xda-developers.com/gal...-to-update-to-i337oc3-5-0-1-keeproot-t3075814
we'll see what happens from here.

[N910F] Downgrade from POF2 to ANK5?

Is it possible to downgrade the N910F from Lollipop (POF2) to KitKat (ANK5)?
YES, IT IS POSSIBLE.
Before yesterday I've never used KitKat on my Note4.. When I bought the phone I had no time to try it (KitKat) because I've straight rooted it and flashed a Lollipop based ROM.
Then yesterday I wanted to try a KitKat based ROM and I've lost about 30/40min looking in the forum for the answer to the question Is it possible to downgrade the N910F from Lollipop (POF2 or whatever) to KitKat (ANK5)?
I could not find a proper answer.. there was this BOF5 bootloader can not be downgraded but it was always in a "strange contest" and it did not convinced me.. after 30/40min I said ***k *t and I just performed a full wipe from TWRP, flashed ANK5 modem and bootloader via ODIN, and installed the KitKat ROM from TWRP.
Sorry for the Question/Answer but this thread may will help someone to save time.
P.S.: My KitKat adventure lasted only 10min... It looked ugly to my eyes! Went back on POF2 and now trying out AICP
_mone said:
Is it possible to downgrade the N910F from Lollipop (POF2) to KitKat (ANK5)?
YES, IT IS POSSIBLE.
Before yesterday I've never used KitKat on my Note4.. When I bought the phone I had no time to try it (KitKat) because I've straight rooted it and flashed a Lollipop based ROM.
Then yesterday I wanted to try a KitKat based ROM and I've lost about 30/40min looking in the forum for the answer to the question Is it possible to downgrade the N910F from Lollipop (POF2 or whatever) to KitKat (ANK5)?
I could not find a proper answer.. there was this BOF5 bootloader can not be downgraded but it was always in a "strange contest" and it did not convinced me.. after 30/40min I said ***k *t and I just performed a full wipe from TWRP, flashed ANK5 modem and bootloader via ODIN, and installed the KitKat ROM from TWRP.
Sorry for the Question/Answer but this thread may will help someone to save time.
P.S.: My KitKat adventure lasted only 10min... It looked ugly to my eyes! Went back on POF2 and now trying out AICP
Click to expand...
Click to collapse
When you flashed that lollipop-based rom, that was a custom rom I assume? Did it contain a bootloader? Maybe you were still on the KitKat bootloader.
GidiK said:
When you flashed that lollipop-based rom, that was a custom rom I assume? Did it contain a bootloader? Maybe you were still on the KitKat bootloader.
Click to expand...
Click to collapse
Yes, it was a custom ROM. No, it didn't contain bootloader. No, I wasn't on the KitKat bootloader, for sure my bootloader was POF2. Trust me if I tell you that before the KitKat ROM I've flashed too many Lollipop ROMs with many Lollipop bootloaders.
I'm trying to do this but i fail in every action at odin with this SW rev. check fail. device 2 binary 1 in my SM-N910C and in odin its fail... ( i gets this after recovering my phone at kies after a bootloop )
i have a note 4 n910c with L.P 5.1.1 how a can downgrade to K.K or 5.01 L.P always fail when i try with odin. help please

Can I install custom roms on my Galaxy S4 OK2?

I have the AT&T Samsung Galaxy S4
Android Version 5.0.1
Build I337UCUGOK2
I've already unrooted it.
My question is, can I install custom roms to it?
I read somewhere on xda that I can only install roms based on the base one using Safestrap.
I really wanted to install cyanogenmod, but on the page there's the warning ''you must be on build I337UCUAMDB or I337UCUAMDL or this will not work''
Any help would be appreciated.
Not possible without unlocking bootloader
I am in the same boat. Unfortunately at the moment there is no way to get CyanogenMod from OK2. I have spend so many hours trying for the same. The conclusion is that the bootloader is locked and there is no known method to unlock the bootloader on I337 yet.

Considering 6.0 rom

Can anyone help me with steps for upgrading my unlocked bootloader gs5 from pb1 to this rom?
I've been running jrkruse's 5.1.1 note 5 port. I like it, but am interested in trying a 6.0 rom.
I've done a lot of reading, but still lack a little confidence in deciphering the correct steps for updating bootloader etc..
Thanks for any help.
Can anyone confirm that I can update my firmware from the note 5 port to a rooted 6.0 rom?
Can I follow the upgrade/downgrade firmware instructions that I've seen in other threads?

[I9500] Downgrade 6.0.1 to 4.4.2

Hello all, quick question
I have an S4 I9500 running GearCM13 (6.0.1) and I want to go back to stock 4.4.2, would following this guide do the trick or is it no longer possible to downgrade?
If this has already been discussed, a link is appreciated as I've searched and found nothing conclusive.
Thanks
It depends on your bootloader. If you never upgraded the bootloader from 4.4.2 you should be able to go back to stock rather easily. You may be able to go back even with an upgraded bootloader, since both the 5.0.1 bootloader and 4.4.2 bootloaders have Knox. You'll just have to try the guide.
Strephon Alkhalikoi said:
It depends on your bootloader. If you never upgraded the bootloader from 4.4.2 you should be able to go back to stock rather easily. You may be able to go back even with an upgraded bootloader, since both the 5.0.1 bootloader and 4.4.2 bootloaders have Knox. You'll just have to try the guide.
Click to expand...
Click to collapse
Thanks, that's the info I needed.
To summarize the whole situation which led me to want to downgrade: I was on GEARCM13 and battery drain was too much to handle so I wanted to go back to a KK 4.4.2 rom (Ozcan) but then I read about Infernus Rom (Based 5.1.1 Ale95 Note Port) and went that way. Strephon's info helped me notice I didnt have to downgrade anything since I have a 5.0.1 bootloader.
Kinda convoluted response, if anyone wants further details, please pm.

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