I have sg4 activate unlocked att software that it's unlocked can I install custom recovery or do have to do the whole firmware downgrade thing I have no pc so I don't wanna brick it it's rooted but with king root I bricked a sg4 damb near killed the recovery by not knowing better but it was locked at gave me unlock code I think that's my boot loader but I'm not sure safestrap defetes my perpouse of stream lining wanna try a customer from for the first time any body walk me through a safe way to proceed can't brick this ****er please
If the bootloader is locked, you won't be able to install a twrp or Cwm and you can only use custom roms that are based on a stock ROM.
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I'm getting this phone soon, never had a Samsung before. When rooting this, is there a bootloader to unlock? And does Odin unlock it during the root process?
Thanks
If you want an unlocked bootloader, you have to purchase the Developer Edition.
The retail edition has a locked bootloader. You need to use safestrap if you want to flash roms, you will not be able to flash custom kernels. Odin is used to restore your phone, not unlock it.
So I was able to root for the first time with Towelroot. That was successful and the I downloaded the clockwork mod and rom manager to attempt to flash Cyanogenmod. however after installing those two apps I restarted and when it booted up it now only shows the error message "System software not authorized by Verizon Wireless has been found on your phone. Please turn off your phone and go to the nearest Verizon Wireless store for help. I do believe that I created a backup on my SD card but I cannot access it and I cant seem to be able to even use Odin to get my phone back to stock Kit Kat firmware. Can somebody please help figure out how to get my phone to boot back up and hopefully keep my root intact?
If your on a retail note, you can't run cm so you would need to Odin back to stock nc4 and re root with towel root and install safe strap recovery . If on developer note 3 dis regard and wait for someone with a dev phone to answer.?
thanks
Okay thanks but wouldn't that just put me back into a bootloop again? using safestrap and towelroot put me in this situation and I don't know what caused this issue and I would like to avoid it at all if possible on my next attempt. Is it because I didn't unlock the bootloader?
Tay-lin said:
Okay thanks but wouldn't that just put me back into a bootloop again? using safestrap and towelroot put me in this situation and I don't know what caused this issue and I would like to avoid it at all if possible on my next attempt. Is it because I didn't unlock the bootloader?
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You can't unlock the bootloader on a retail Note 3.
Towelroot and Safe strap didn't get you in this situation.
You need to do a bit more research and read up before continuing.
All we have is root.
Safe strap is needed to run custom roms.
There are no custom kernels available since the bootloaders locked.
So don't try to use cwm.
Try to get your phone in download mode and odin the stock tar then root again and install Safstrap 3.75 build 4.
i have galaxy s4 i9505 and i want to know if i need to unlock the bootloader in order to instal custom rom(cyanogen).the phone is in stock condition(not rooted no roms or anything)ive checked the first 10 pages of google results and some guides say i if i dont unlock the bootloader i will brick the phone and some say i dont need to unlock it.i searched this forum aswell but i just end up with 100 tabs open and still cant find my answer.
The only thing you need to do is this. Install TWRP using Odin, then flash your ROM using TWRP. The only mention of locked bootloaders comes if you own an AT&T or Verizon Galaxy S4. Those two models have a locked bootloader that cannot be unlocked, and attempts to change the bootloader on those devices have led to soft bricks which can be resolved by flashing the correct bootloader in the BL slot in Odin.
Yet another post... So, I have been trying to install TWRP and CWM but every time I boot into recovery with those installed I get: "System Software not Authorized" error. Is there anyway to bypass this? I think I Soft Bricked it, but I fixed it with Odin and a stock recovery file. I just want to get a custom recovery... Any help is appreciated.
Device: Samsung Galaxy S4 I337 (AT&T) (Rooted)
Can't install cwm or twrp on an s4 with a locked bootloader.
Hmm that is strange.
audit13 said:
Can't install cwm or twrp on an s4 with a locked bootloader.
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How would I go about unlocking it? I remember before the s4 got the 5.0.1 update and I had cwm.
The att s4 bootloader can't be unlocked once it has been upgraded to a locked bootloader.
That sucks. Is there another phone that can unlock it's boot loader? I head something about asking the company to unlock it for you. Is that possible?
Quick little update:
I have found some options that might work. Option 1: Someone said that you could downgrade to 4.2.2 because that has an unlocked boot loader. Or option 2, which is go to Best Buy and tell the Samsung Support Center dude to unlock it for you. I really would rather go with option one, because what if the dude denies it. Unless, because I already got the locked one on my device, there is no way to downgrade it...
There is no way to downgrade the bootloader to 4.2.2 or to unlock the bootloader.
Right, well I installed Safestrap and updated to 5.0.1 with keep root method. Something I just realized is that we have a s2 laying around somewhere. I guess I can mess with that. And as for a new phone, I guess I will save up to buy a Nexus 6 from the Google site.
The phone's bootloader is probably locked. It has never been unlocked, and I believe model SM-G900M was sold with the bootloader locked. (I tried to check if the bootloader is indeed locked, but fastboot did not detect the phone.)
I understand that in this scenario there is currently no way to root an S5, right?
It appears that the only way to go is to perform an Android downgrade. I would have to use Odin to flash a stock 4.4 ROM (is this correct?), then I would be able to root the phone with towelroot, unlock the bootloader and install flashfire on my device. Does this sound like a doable approach?
Suggestions/advice very much appreciated.
Thanks!