Hi,
I am using samsung galaxy S5 SM-G900R7, i am able to root this phone then started trying flashing of custom boot.img contating custom zImage. ODIN is showing successful flashing , but when i am restarting its always going in download mode with error message "couldn't do normal boot" . In download mode there is a line "QUALOCM SECUREBOOT : ENABLE". I doubt this is beacuse of locked bootloader.
I want to know is it really beacuse of locked bootloader?
I downloaded kernel for my phone model from samsung official website mentioned below and built in same way they have given instruction, so i ahve less doubt on custom zImage.
http://opensource.samsung.com/reception/receptionSub.do?method=sub&sub=F&searchValue=900r7
if yes then i have second question is it unlockable or not, i am not getting any unlocking method for samsung galaxy S5. whatever info i am getting regarding unlocking is upto galaxy S3 but not helpful for galaxy S5. PLease help me to come to a final conclusion on flashing custom zImage to phone.
arvind3023 said:
Hi,
I am using samsung galaxy S5 SM-G900R7, i am able to root this phone then started trying flashing of custom boot.img contating custom zImage. ODIN is showing successful flashing , but when i am restarting its always going in download mode with error message "couldn't do normal boot" . In download mode there is a line "QUALOCM SECUREBOOT : ENABLE". I doubt this is beacuse of locked bootloader.
I want to know is it really beacuse of locked bootloader?
I downloaded kernel for my phone model from samsung official website mentioned below and built in same way they have given instruction, so i ahve less doubt on custom zImage.
http://opensource.samsung.com/reception/receptionSub.do?method=sub&sub=F&searchValue=900r7
if yes then i have second question is it unlockable or not, i am not getting any unlocking method for samsung galaxy S5. whatever info i am getting regarding unlocking is upto galaxy S3 but not helpful for galaxy S5. PLease help me to come to a final conclusion on flashing custom zImage to phone.
Click to expand...
Click to collapse
As far as I'm aware most Samsung devices if not all have unlocked bootloaders, as for a soloution I haven't seen anything really but some say you need to re-flash stock then try from scrath or make a backup after reflashing stock and a custom recovery then format and restore to get it working.
TechMinerUK said:
As far as I'm aware most Samsung devices if not all have unlocked bootloaders, as for a soloution I haven't seen anything really but some say you need to re-flash stock then try from scrath or make a backup after reflashing stock and a custom recovery then format and restore to get it working.
Click to expand...
Click to collapse
Thanks a lot for your reply,
I searched regarding this and i found latest samsungs are coming with KNOX security in which SECUREBOOT is there, which doesn't allow phone to boot with any boot image if chacksum value doesn't match. so i feel even if bootloader is not locked here but same thng KNOX security is doing. Help me if you have any idea how to disable it in samsung galaxy S5. Getting way how to disable in previous series but not finding method how to do for galaxy S5.
arvind3023 said:
Thanks a lot for your reply,
I searched regarding this and i found latest samsungs are coming with KNOX security in which SECUREBOOT is there, which doesn't allow phone to boot with any boot image if chacksum value doesn't match. so i feel even if bootloader is not locked here but same thng KNOX security is doing. Help me if you have any idea how to disable it in samsung galaxy S5. Getting way how to disable in previous series but not finding method how to do for galaxy S5.
Click to expand...
Click to collapse
Looks like getting rid of KNOX is a difficult task but not impossible: http://www.s4miniarchive.com/2013/12/how-to-remove-knox-bootloader-from-new.html
TechMinerUK said:
Looks like getting rid of KNOX is a difficult task but not impossible: http://www.s4miniarchive.com/2013/12/how-to-remove-knox-bootloader-from-new.html
Click to expand...
Click to collapse
Thanks for your reply,
I think your post brought me closer to soltution. Tommorw i have to try this. The only problem now i have that i am not getting firmware for my phone model SM-900R7, I am getting firmware for model number SM-900R6 which is very close to this not not exactly for SM-900R7. I have to search more to get it, i hope i will be able to find it.
Thanks again for your valuable post.
arvind3023 said:
Thanks for your reply,
I think your post brought me closer to soltution. Tommorw i have to try this. The only problem now i have that i am not getting firmware for my phone model SM-900R7, I am getting firmware for model number SM-900R6 which is very close to this not not exactly for SM-900R7. I have to search more to get it, i hope i will be able to find it.
Thanks again for your valuable post.
Click to expand...
Click to collapse
No problem, good luck with removing KNOX
TechMinerUK said:
No problem, good luck with removing KNOX
Click to expand...
Click to collapse
Hi,
Yesterday night you posted a link, that link was good but still my requirement is different.Yesterday i was not able to go through whole link you provided to me, today i was reading the whole article. its looks like they are trying to save warrany of phone even after flashing custom ROM. They are deleting bootloader contents of flashing ROM, even i will flash custom ROM with deleted bootloader contents, In phone bootloader will remain same with KNOX SECUREBOOT feature. My target is to flash with KNOX disabled bootloader so it will not stop booting with custom zImage.
TechMinerUK said:
No problem, good luck with removing KNOX
Click to expand...
Click to collapse
Actaully that link was removing KNOX from firmware which you are going to flash not from phone if you have already KNOX is there. That is for if your mobile is not having KNOX and you dont want KNOX when you are going to flash with recent updated firmware so you can delete KNOX contents from firmware and can flash.
arvind3023 said:
Actaully that link was removing KNOX from firmware which you are going to flash not from phone if you have already KNOX is there. That is for if your mobile is not having KNOX and you dont want KNOX when you are going to flash with recent updated firmware so you can delete KNOX contents from firmware and can flash.
Click to expand...
Click to collapse
Hmm, it appears it not possible due to it having a locked bootloader/KNOX not being removable
http://forum.xda-developers.com/verizon-galaxy-s5/help/g900r7-problem-t2877527
TechMinerUK said:
Hmm, it appears it not possible due to it having a locked bootloader/KNOX not being removable
http://forum.xda-developers.com/verizon-galaxy-s5/help/g900r7-problem-t2877527
Click to expand...
Click to collapse
Thats my problem is i am not getting concrete answer either some good link or something official from samsung to come to conclusion of NO, searching searching trying this and that with a hope that its possible.
arvind3023 said:
Thats my problem is i am not getting concrete answer either some good link or something official from samsung to come to conclusion of NO, searching searching trying this and that with a hope that its possible.
Click to expand...
Click to collapse
I would pressume their will be some method of doing it and if it's not released yet it will be soon...
I guess it's just best to bide time and wait untill a concrete method has been developed
Has anyone seen a stock rom for SM-G550T2. I Have bricked my phone. Custom binary blocked by FRP lock. Please Help Me!!!!!!!
nepoton said:
Has anyone seen a stock rom for SM-G550T2. I Have bricked my phone. Custom binary blocked by FRP lock. Please Help Me!!!!!!!
Click to expand...
Click to collapse
I currently found it and its working from now, im updloading it on my mega account, i will let you know if its ready to download.
nepoton said:
Has anyone seen a stock rom for SM-G550T2. I Have bricked my phone. Custom binary blocked by FRP lock. Please Help Me!!!!!!!
Click to expand...
Click to collapse
Dont forget to hit thanks
Use ODIN3 and Samsung Drivers.
This took me hours so im putting this on a OP soon as i can
https://mega.nz/#F!BdUQVTqB!XUX1F4XgE7-y9fnKWHK0CA
Desperate need for SM-G550t2 Stock Rom!!
My phone is stuck on FRP Lock, can someone hook me up with the 5.1.1 firmware download for this phone?
Here's what i've tried so far. http://www.androidinfotech.com/2017/05/root-samsung-galaxy-s7-edge-sm-g935u-nougat.html I've tried this method and get error in odin http://prntscr.com/g3sml0 this and on the device it says "Secure Check Fail" . Perhaps there's another way to root this phone i'm not sure why there's so little support for this variant. I just recently switched from iPhone and at least i had jailbreak to rely on xD. or maybe i should get an LG or HTC lol i'm lost
Please help !!! Thanks :fingers-crossed:
yeah u can
https://forum.xda-developers.com/verizon-s7-edge/how-to/root-method-nougat-t3566978
https://forum.xda-developers.com/tm...eres-how-rooted-nougat-s7-edge-g935t-t3567502
As in title, I tried to downgrade my samsung A7 2017 from nougat to marshmallow using odin 3.12.3.
Download the firmware from sammobile specific for my country (XID), it always ended up with failed in odin with message Device : 3 Binary : 1
If i try to flash with any version of nougat, it always succeed, but not for any marshmallow.
Please help...i need it in order to make the mirrorlink work.
artob said:
As in title, I tried to downgrade my samsung A7 2017 from nougat to marshmallow using odin 3.12.3...
Click to expand...
Click to collapse
I don't have this device and I do understand your question. This is a little challenging to answer and I'll do my best to explain it as simple as possible but, I'll begin with stating that you should STOP in trying to force downgrade the Stock Firmware via Odin or else you can potentially trip Knox that can result in a Soft Bricked, or worse, a Hard Bricked device.
In general, downgrading any Samsung device cannot be done unless you have the bootloader unlocked with a Custom Recovery (ie... TWRP) installed.
The reason is because Samsung places safety measures, like Knox, on devices with locked bootloaders. The Samsung developers have placed these security measures, they feel, can harm your device by downloading (though I don't agree with this personally).
The good news is that there appears to be a few threads (as follows) that can help you out with Unlocking the Bootloader for the A720F. Don't be afraid to ask for some member guidance within one of them if you need to.
https://forum.xda-developers.com/showthread.php?t=3747535
https://forum.xda-developers.com/showthread.php?t=3591448
I do wish you the best of luck!
~~~~~~~~~~~~~~~
I DO NOT provide support via PM unless asked/requested by myself. PLEASE keep it in the threads where everyone can share.
I dont know if i should post this here but here i go. Hey Guys i am very new to xda and very new to rooting. i recently rooted my galaxy s7 edge (sm-g935fd)
And my phone wasnt connecting to phone and i searched and they said to turn off usb debugging. and then i restarted my phone once and it said custom binary blocked by frp lock.
and since then i have been trying for almost three days and i am hopeless. I did factory reset by holding power and volume up and did not work
i tried using odin to upload a stock firmware but i get nand start and then fail.
i have tried a few post about how to fix nand but i cant understand it as it is not very clear
So please i really need help on how i can fix this
my device details
Samsung s7 edge (Says Duos on the back)
Model- SM-G935FD
Please help a brother out
oh and it says sw rev check bootloader failed when i use odin for new stock firmware
Saifu.jpg said:
I dont know if i should post this here but here i go. Hey Guys i am very new to xda and very new to rooting. i recently rooted my galaxy s7 edge (sm-g935fd)
And my phone wasnt connecting to phone and i searched and they said to turn off usb debugging. and then i restarted my phone once and it said custom binary blocked by frp lock.
and since then i have been trying for almost three days and i am hopeless. I did factory reset by holding power and volume up and did not work
i tried using odin to upload a stock firmware but i get nand start and then fail.
i have tried a few post about how to fix nand but i cant understand it as it is not very clear
So please i really need help on how i can fix this
my device details
Samsung s7 edge (Says Duos on the back)
Model- SM-G935FD
Please help a brother out
oh and it says sw rev check bootloader failed when i use odin for new stock firmware
Click to expand...
Click to collapse
The firmware that you are trying to flash is giving you the sw rev error because that firmware is an older/downgraded version than the version that is already on the phone. You have to flash the firmware that is the same as what is already on the device or a newer version, you can't flash an older version. Find the newest, most updated firmware that you can find for your specific model number.
Do a Google search for:
"Stock firmware for SM-G935FD"
Then find the newest available version that is made for your specific region/carrier.
Sent from my SM-S767VL using Tapatalk
Thank you. I shall try this let you know.