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Hi guys,
I am having trouble restarting stock c6616 into recover mode?
Read so many articles, watched several videos on YT, but i cannot get it working.
Most of instruction will say TurnOff phone, turno on, wait for led and keep pressing volume up, problem is LED is not lit at all on my phone.
I also tried to reboot to recover via ADB , phone will just restart.
Any ideas?
akyboy said:
Hi guys,
I am having trouble restarting stock c6616 into recover mode?
Read so many articles, watched several videos on YT, but i cannot get it working.
Most of instruction will say TurnOff phone, turno on, wait for led and keep pressing volume up, problem is LED is not lit at all on my phone.
I also tried to reboot to recover via ADB , phone will just restart.
Any ideas?
Click to expand...
Click to collapse
You need to have a custom recovery installed to access that feature.... Do you have one installed?
St.Jimmy90 said:
You need to have a custom recovery installed to access that feature.... Do you have one installed?
Click to expand...
Click to collapse
Thanks for answer Jimmy
Tried to install dual recover for locked bootloader too,.. same thing, flashed successfully (at least it was saying that) and cant do nothing.
This is my 5th Android phone, and it is biggest pain to unlock/root/flash so far.
akyboy said:
Thanks for answer Jimmy
Tried to install dual recover for locked bootloader too,.. same thing, flashed successfully (at least it was saying that) and cant do nothing.
This is my 5th Android phone, and it is biggest pain to unlock/root/flash so far.
Click to expand...
Click to collapse
Is your phone rooted?
St.Jimmy90 said:
Is your phone rooted?
Click to expand...
Click to collapse
Ok ok,.. looks like i got it working, i re-flashed that Dual Recovery and i was able to start TWRP now.
Another question if you dont mind, my bootloader is locked (as i know) can i still flash Custom roms?
akyboy said:
Ok ok,.. looks like i got it working, i re-flashed that Dual Recovery and i was able to start TWRP now.
Another question if you dont mind, my bootloader is locked (as i know) can i still flash Custom roms?
Click to expand...
Click to collapse
No you can't. Custom roms like PA, OMNI, Cyanogenmod need a custom kernel. It is not possible to flash a custom kernel on a locked bootloader. You can still flash stock based roms though. If you search in the development section you will find some. They are marked with "LB"
St.Jimmy90 said:
No you can't. Custom roms like PA, OMNI, Cyanogenmod need a custom kernel. It is not possible to flash a custom kernel on a locked bootloader. You can still flash stock based roms though. If you search in the development section you will find some. They are marked with "LB"
Click to expand...
Click to collapse
Thanks
LB, Locked boot-loader.
I also tried to unlock it, but im getting message that boot-loader cannot be officially unlocked. So i guess im out of luck unlocking it?
akyboy said:
Thanks
LB, Locked boot-loader.
I also tried to unlock it, but im getting message that boot-loader cannot be officially unlocked. So i guess im out of luck unlocking it?
Click to expand...
Click to collapse
Correct.
You can check it in service menu if you bootloader is unlockable. Open dialer and enter *#*#7378423#*#*
Go to service info > configuratoin. If it shows "bootloader unlock allowed: no" you won't be able to unlock it
Checked that! , out of luck for me :/
Ok, trying to figure out LB Rom installation instruction.
I will give a try http://forum.xda-developers.com/xperia-z/development/rom-existenz-v5-0-0-ultra-edition-10-4-t2349656
This one,.. i guess its most popular for xperia
akyboy said:
Thanks for answer Jimmy
Tried to install dual recover for locked bootloader too,.. same thing, flashed successfully (at least it was saying that) and cant do nothing.
This is my 5th Android phone, and it is biggest pain to unlock/root/flash so far.
Click to expand...
Click to collapse
Which locket dual recovery file did you use? I'm having a paint too trying to root my Xperi Z C6616 and have find little to no help. THanks in advance.
hi all,
i have recently aquired Sony Xperie SP C5303, and i now i'm lost since i never had android phone. all i used was various emulators for PC and stuff...
but now there is many stuff to be noisy about. and probably this has been answered many times but please, do me a favor and pretty please answer again if possible.
1. Phone is SIM locked (i'm working on getting unlock code from provider, since i have right to do so, after contract expires..which has)..but is there any way to unlock phone before i get the code? i'm wondering how technitians in local services do that. they ask about 30€ for unlocking device, and i doubt they have acces to provider's unlock code.
2. I tried to flash phone with custom firmware (using flashtool) but it failed on me even though i used right firmware, and phone bricked. however i managed to recover phone with sony PC companion and it now works same as when i got it. Firmware 12. 1. A. 1. 205, android version 4.3. i have no idea why it failed on me during flash. can it be cause phone is no rooted, and have no root support? (whill connect to this on 3.) do i have to root phone before flashing? i would really like to have root access.
3. i was unable to do hard reset of phone with power + volume down button. or any other trick didn't work. i couldn't not enter android recovery options. i followed instruction on how to root my phone on
Code:
developersonymobile(dotcom)/unlockbootloader/unlock-yourboot-loader/
. i entered
Code:
*#*#7378423#*#*
to check if my device is unlockable, it says boot loader unlock allowed : No. Does this mean i won't be able to have root acces on my phone? or i still have to learn difference between terms or what they mean.
also is that really true what they warn about that there is no turning back after i root phone and all. won't just hard reseting phone or repair device with all defaults troubh pc sofware bring back and vipe everything back? how will than service know if phone has been rooted ever?
thank you in advance for all your answers.
"Bootloader unlock allowed : No" <= this means you can't use UBL ROMs or custom kernels.
You can always root and use LBL ROMs though. There are plenty of LBL ROMs out there to try.
You can always un-root your phone. And you can always repair your phone's OS by flashing the Stock ROM via flashtool. Doing so would remove root access as well, no one would know you ever rooted.
Root using towelroot.
Get recoveries by Dssmex.
Then flash LBL ROMs, mods, ports etc. that you want.
and Be careful when you flash anything,
Read the threads, don't try to flash any UBL ROM as it may brick your device.
First thank you for helping.
UBL is unlocked boot loader right? and L is locked. sorry to doubt your last tip but i need to double check was it typo or...? you said don't flash UBL. isnt that supposed to say don't flash LBL. or i have totally got this wrong. maybe i don't know what what's LBL and UBL.
but just to be safe? where can i find stock ROM? i tried official site, they don't let me download firmware manualy. only trough sony PC companion automatic repiar. Which is ok too i guess. else i can download sony flash tool callsed emma, but i cannot get login info since they need about 7 days to approve my registration.
so my first step is to root my phone. ok i will do that. i might do it manualy, not trough application though.
what about sim lock? after i root phone, is there sim unlock command or what? and do i need code...how do you unlock your phone to be able to use other SIM.
IrethTassartir said:
First thank you for helping.
UBL is unlocked boot loader right? and L is locked. sorry to doubt your last tip but i need to double check was it typo or...? you said don't flash UBL. isnt that supposed to say don't flash LBL. or i have totally got this wrong. maybe i don't know what what's LBL and UBL.
but just to be safe? where can i find stock ROM? i tried official site, they don't let me download firmware manualy. only trough sony PC companion automatic repiar. Which is ok too i guess. else i can download sony flash tool callsed emma, but i cannot get login info since they need about 7 days to approve my registration.
so my first step is to root my phone. ok i will do that. i might do it manualy, not trough application though.
what about sim lock? after i root phone, is there sim unlock command or what? and do i need code...how do you unlock your phone to be able to use other SIM.
Click to expand...
Click to collapse
Welcome.
And no, I did mean "Don't flash UBL ROMs"
UBL = Unlocked Bootloader
LBL = Locked Bootloader
The ROMs that are made for Unlocked Bootloaders are UBL ROMs.
Unlocked Bootloader users can use both LBL and UBL ROMs.
But since your device's Bootloader cannot be unlocked, you can only use LBL ROMs.
It's written in almost all ROM threads if it's a LBL or an UBL ROM. But if it isn't specified, then be sure it's UBL. (Like all 5.1 ROMs are for UBL)
Download stock ftf from here.
Use Flashtool v0.9.18.5
and I can't say about the last one as I don't use a carrier locked device.
Try and see what happens.
thank you again for reply. you've been very helpfull with all info.
Zenith said:
Download stock ftf from (link deleted, i'm not allowed to post it)
Click to expand...
Click to collapse
that is exactly from where i got it the first time. also same flashtool version. after i tried to use that firmware, my phone bricked.
even though it's stock ROM, probably cause my phone had locked bootloader (i finally found article on what is bootloader and i got it now).
but after this, i have used sony software to recover my phone and it works again.
now important stuff. so my device's bootloader cannot be unlocked. does that 100% means that i'm stuck with locked bootloader and no way of getting it unlocked.
even on sony offical site there is process tutorial how to unlock bootloader, and it says "if you device isn't listed, than you cannot unlock bootloader".
but it IS listed and I AM able to get the unlock code for it. now i'm confused. can i still do the process showed?
another confusing thing is where i read about bootloader, it says that for to be able to root i need to flash custom ROM, and to do that i need to unlock bootloader.
but you have provided link for "towelroot" which was able to get my phone root acces. is it different from rooting my phone manualy after unlocking bootloader. how did it manage to root it anyway? and with towelroot it still has bootloader locked. actually it says "boot loader unlock allowed: NO!". now begs the question does that mean, not allowed, but i can be unobidient one and still unlock it without clearance, or does it mean .."you're stuck with locked bootloader. deal with it!. if you try to unlock bootloader your phone will brick"!.
i think after i get answer to this, than it would be my last question for this topic
also again, thank you for answering all previous questions...and this one, hopefully
IrethTassartir said:
thank you again for reply. you've been very helpfull with all info.
that is exactly from where i got it the first time. also same flashtool version. after i tried to use that firmware, my phone bricked.
even though it's stock ROM, probably cause my phone had locked bootloader (i finally found article on what is bootloader and i got it now).
but after this, i have used sony software to recover my phone and it works again.
now important stuff. so my device's bootloader cannot be unlocked. does that 100% means that i'm stuck with locked bootloader and no way of getting it unlocked.
even on sony offical site there is process tutorial how to unlock bootloader, and it says "if you device isn't listed, than you cannot unlock bootloader".
but it IS listed and I AM able to get the unlock code for it. now i'm confused. can i still do the process showed?
another confusing thing is where i read about bootloader, it says that for to be able to root i need to flash custom ROM, and to do that i need to unlock bootloader.
but you have provided link for "towelroot" which was able to get my phone root acces. is it different from rooting my phone manualy after unlocking bootloader. how did it manage to root it anyway? and with towelroot it still has bootloader locked. actually it says "boot loader unlock allowed: NO!". now begs the question does that mean, not allowed, but i can be unobidient one and still unlock it without clearance, or does it mean .."you're stuck with locked bootloader. deal with it!. if you try to unlock bootloader your phone will brick"!.
i think after i get answer to this, than it would be my last question for this topic
also again, thank you for answering all previous questions...and this one, hopefully
Click to expand...
Click to collapse
Did you install the drivers properly (Flashmode, fastboot, viskan common) ?
You need to disable driver signature verification before installing drivers if you're on Win 8/8.1/probably 10 too.
And flashtool should work perfectly in both LBL and UBL phones.
You said your service menu says, "Bootloader unlock allowed : No"
Even if you get a BL unlock code you can't unlock it coz it's not allowed.
And by messing with the bootloader or trying to flash UBL ROMs may permanently brick your phone.
And different phones have different rooting processses. Rooting our SP is easier than most other phones by TowelRoot.
And "Bootloader unlock allowed : No" is more like a "You're stuck with locked bootloader. deal with it!. If you try to unlock bootloader your phone will brick!".
And you can still use a lot of LBL ROMs, from 4.3 to 5.0. So don't worry Lol.
Welcome
i did install fastboot and drivers and everything acording to tutorial. i payed attention on par "pay attention to this. be sure to install drivers correctly, lol"
i'm using win 7 64bit sp1. i have disabled UAC. i'm alaways running as admin. as for flashtool. software works perfectly..it just fail flashing.
it goes to part where i need to unplug phone and plug in holding volume something button..it says on poppup. than i plug in phone and it starts flasshing..it goes up to 40% something percent. if finish few files but when it comes to system.(something) i forgot extension, it says failed. flasshing stopped. than after that i can't turn on phone again.
i couldn't untill i recovered via Sony PC companion. i did try to flash it several times with several roms. i think it's cause my provider messed with bootloader. they locked it together with sim. on official sony site. it says:
"Note! Even if your device is listed here, certain releases of the device model may not be supported due to operator restrictions. Please select your device on the Start tab to check if your particular device can be unlocked."
anyway, i even got my provider's firmware trough flashtool download system, got my provider's name and exact same firmware that was installed. it still failed on same file.
than after i recovered i didn't try to flash anymore. i don't even know what's the point, if i can have root access without it.
i'm not so keen on installing other android version, unless this one gives me problem. for that i need to unlcok phone first to be able to even use it or test it so far it's has been t urned off most of the time
IrethTassartir said:
i did install fastboot and drivers and everything acording to tutorial. i payed attention on par "pay attention to this. be sure to install drivers correctly, lol"
i'm using win 7 64bit sp1. i have disabled UAC. i'm alaways running as admin. as for flashtool. software works perfectly..it just fail flashing.
it goes to part where i need to unplug phone and plug in holding volume something button..it says on poppup. than i plug in phone and it starts flasshing..it goes up to 40% something percent. if finish few files but when it comes to system.(something) i forgot extension, it says failed. flasshing stopped. than after that i can't turn on phone again.
i couldn't untill i recovered via Sony PC companion. i did try to flash it several times with several roms. i think it's cause my provider messed with bootloader. they locked it together with sim. on official sony site. it says:
"Note! Even if your device is listed here, certain releases of the device model may not be supported due to operator restrictions. Please select your device on the Start tab to check if your particular device can be unlocked."
anyway, i even got my provider's firmware trough flashtool download system, got my provider's name and exact same firmware that was installed. it still failed on same file.
than after i recovered i didn't try to flash anymore. i don't even know what's the point, if i can have root access without it.
i'm not so keen on installing other android version, unless this one gives me problem. for that i need to unlcok phone first to be able to even use it or test it so far it's has been t urned off most of the time
Click to expand...
Click to collapse
I see.. I'm not actually sure why Flashtool isn't working.
Anyways some good 4.4.4 LBL ROMs are 'CM11 by Bagyusz', 'Omni-X by NeildownX', PA etc.
Try them if you want.
Zenith said:
I see.. I'm not actually sure why Flashtool isn't working.
Anyways some good 4.4.4 LBL ROMs are 'CM11 by Bagyusz', 'Omni-X by NeildownX', PA etc.
Try them if you want.
Click to expand...
Click to collapse
can i use flashtool to install CM11 by Bagyusz. on CM11 thread, under tutorial it says enter recovery mode..i can't do that. nothing happens when i power up+volume down ..or up..or any other combination. i installed clockwork mod, but i cannot install cwm recovery sincy my device is not listed. if i try to restart phone in recovery mode, nothing happens! it just restarts phone normaly!
IrethTassartir said:
can i use flashtool to install CM11 by Bagyusz. on CM11 thread, under tutorial it says enter recovery mode..i can't do that. nothing happens when i power up+volume down ..or up..or any other combination. i installed clockwork mod, but i cannot install cwm recovery sincy my device is not listed. if i try to restart phone in recovery mode, nothing happens! it just restarts phone normaly!
Click to expand...
Click to collapse
I assume you're now on a rooted stock ROM.
Follow this to get recoveries.
Reboot, when you see the Blue LED burn, press vol down to enter TWRP recovery.
can i use cm-11-20150822-UNOFFICIAL with flashtool so i avoid installing recoveris or CWMP?
flashtool worked for me it just gave me an error during flashing one of the files....that might be cause i didn't know difference between LBL roms and UBL roms. maybe problem was incorrect rom type for my phone.
i tried to install recovery tools. and i had some problems...when i swhitched on phone there was no light showdown,,just red led...and after phone entered safe mode. but not in recovery menu.
i sure have no idea what to do...now everything is so strange.
to be honest i'm considering dropping this whole thig of and use stock rom as it is...
it would be cool if there would be automatic debloat application which will remove all bloatware...
or at least bloatware list of apps i can delete manually, without loosing important function on my phone. than i would not need custom rom!
IrethTassartir said:
can i use cm-11-20150822-UNOFFICIAL with flashtool so i avoid installing recoveris or CWMP?
flashtool worked for me it just gave me an error during flashing one of the files....that might be cause i didn't know difference between LBL roms and UBL roms. maybe problem was incorrect rom type for my phone.
i tried to install recovery tools. and i had some problems...when i swhitched on phone there was no light showdown,,just red led...and after phone entered safe mode. but not in recovery menu.
i sure have no idea what to do...now everything is so strange.
to be honest i'm considering dropping this whole thig of and use stock rom as it is...
it would be cool if there would be automatic debloat application which will remove all bloatware...
or at least bloatware list of apps i can delete manually, without loosing important function on my phone. than i would not need custom rom!
Click to expand...
Click to collapse
If you're on CM11 by Bagyusz, Open Terminal Emulator and enter the following codes,
su
./system/bin/recovery.sh
^ it will give you access to recovery when you see the red LED while booting.
If you decide to go back to stock, you can freeze/remove these apps.
I made the list when I was on stock. Take a backup before removing them just to be safe.
thank you a lot! this has all been so helpful!
IrethTassartir said:
thank you a lot! this has all been so helpful!
Click to expand...
Click to collapse
Welcome
Hello. I have really bad situation about my friend's phone. I was about to install Cyanogenmod on it (i have experience about it, i installed CM on my Nexus 5 without any problems). First i tried to unlock bootloader. I tried different ways including the official one but none of them helped. When i turn the phone on and call to 3845#*880#, it says that bootloader is unlocked. But i still can't flash recovery to TWRP (it says that bootloader is locked). Then my friend asked me to get root at least, because when we tried to unlock bootloader we used a chinese program which installed ad malware into firmware and he can't delete this. I read about installing root without unlocking bootloader, using stock recovery. But when i try to load into recovery mode, smartphone is loading into Android. I guess i've deleted stock recovery accidently. Is there any way to root/flash CM/completely reset (btw this one doesn't work correctly, because that ad malware is still there)? Help me, please. Thanks in advance.
Man, I've really done research until my eyes are ready to pop out lol. Can someone please help me.
I'm using this guide to try and unlock my bootloader: https://www.youtube.com/watch?v=cfpehEkhfyg
Problem is, it's for a verizon version, mine's a note 4 T-mobile sm-n910t3
I'm just a noob and never had to do this unlock bootloader crap on my note 2. I need help.
I just want to unlock the bootloader, and flash recovery, supersu, and a cool rom like res. remix or CM remix.
On the video, the part I'm stuck on is he's using a file: "samsung_unlock_n4-2" with no file extension (.xxx)
I'm assuming this is a bootloader file?? I found a bootloader for my version which is a folder with contents:
FOLDER: BL_N910T3_DOK2 CONTENTS: aboot.mbn / NON-HLOS.bin / rpn.mbn / sbl1.mbn / sdi.mbn / tz.mbn
He goes on to use a CMD and fastboot to temporarily root the phone to install TWRP recovery,
but when he pushes this command: "adb push samsung_unlock_n4-fix /data/local/tmp/"
I don't think I can do that with a folder and I don't know which file to use.
QUESTION:
-DOES ANYONE KNOW WHICH FILE I NEED
-OR-
IS THERE A BETTER WAY TO FLASH A CUSTOM KERNEL THAT UNLOCKS THE BOOTLOADER, THEN ROOT, FLASH ROM AND EVERYTHING A LOT EASIER.
Side note, I didn't know I had to unlock FRP and tried to flash recovery. I also tried CFautoroot.
Both are blocked from working so I'm just assuming the bootloader is locked, otherwise it would say "mode developer" on the stock recovery. Off topic, I started reading about CyanogenMod Installer.... wtf ever happened with this program?!?!?! It sounds awesome!! It said it even would unlock bootloaders and everything. It was only after reading that it was put out of service that I stopped doing my happy dance. why in the fudge brownie cheesecake would you delete something so awesome? Anyway, can you guys plesaea help before I commit android suicide. That would be great.
I CAN'T BOOT INTO CUSTOM RECOVERY. IF I COULD DO THAT I COULD DO ANYTHING. UGGGGG
Anything, whatever...
I'm at a loss here......
It's been days and I'm frustrated.
910T3 versions are locked down for good after 6.0.1MM update but you could DO2 it and then just be stuck without wireless and NFC. Lol, its just so dumb isnt it lol. Pretty soon in the future maybe they'll jusf give us an option to have our devices custom made by your own specs??
djscottallen said:
Man, I've really done research until my eyes are ready to pop out lol. Can someone please help me.
I'm using this guide to try and unlock my bootloader: https://www.youtube.com/watch?v=cfpehEkhfyg
Problem is, it's for a verizon version, mine's a note 4 T-mobile sm-n910t3
I'm just a noob and never had to do this unlock bootloader crap on my note 2. I need help.
I just want to unlock the bootloader, and flash recovery, supersu, and a cool rom like res. remix or CM remix.
On the video, the part I'm stuck on is he's using a file: "samsung_unlock_n4-2" with no file extension (.xxx)
I'm assuming this is a bootloader file?? I found a bootloader for my version which is a folder with contents:
FOLDER: BL_N910T3_DOK2 CONTENTS: aboot.mbn / NON-HLOS.bin / rpn.mbn / sbl1.mbn / sdi.mbn / tz.mbn
He goes on to use a CMD and fastboot to temporarily root the phone to install TWRP recovery,
but when he pushes this command: "adb push samsung_unlock_n4-fix /data/local/tmp/"
I don't think I can do that with a folder and I don't know which file to use.
QUESTION:
-DOES ANYONE KNOW WHICH FILE I NEED
-OR-
IS THERE A BETTER WAY TO FLASH A CUSTOM KERNEL THAT UNLOCKS THE BOOTLOADER, THEN ROOT, FLASH ROM AND EVERYTHING A LOT EASIER.
Side note, I didn't know I had to unlock FRP and tried to flash recovery. I also tried CFautoroot.
Both are blocked from working so I'm just assuming the bootloader is locked, otherwise it would say "mode developer" on the stock recovery. Off topic, I started reading about CyanogenMod Installer.... wtf ever happened with this program?!?!?! It sounds awesome!! It said it even would unlock bootloaders and everything. It was only after reading that it was put out of service that I stopped doing my happy dance. why in the fudge brownie cheesecake would you delete something so awesome? Anyway, can you guys plesaea help before I commit android suicide. That would be great.
I CAN'T BOOT INTO CUSTOM RECOVERY. IF I COULD DO THAT I COULD DO ANYTHING. UGGGGG
Anything, whatever...
I'm at a loss here......
It's been days and I'm frustrated.
Click to expand...
Click to collapse
So far i know is N910T3 bootloader is not locked unlike verizon or at&t .
All you have to do is go to settings/about device and hit on build number 7 times .
You will see in settings "developer options" go to OEM UNLOCK and just turn it on this will unlock your bootloader and make sure reactivation lock is turned off in settings/security.
Thats it now you can go to download mode and flash twrp recovery and flash any rom from twrp compatible for your model.
Trex888 said:
So far i know is N910T3 bootloader is not locked unlike verizon or at&t .
All you have to do is go to settings/about device and hit on build number 7 times .
You will see in settings "developer options" go to OEM UNLOCK and just turn it on this will unlock your bootloader and make sure reactivation lock is turned off in settings/security.
Thats it now you can go to download mode and flash twrp recovery and flash any rom from twrp compatible for your model.
Click to expand...
Click to collapse
Did this work, as in actually unlocking the bootloader right then, just by checking that box? I thought that option only got the phone ready for unlocking or something like that. I'm trying to root a T3 and don't want to flash over an unlocked bootloader, of course.
Trex888 said:
So far i know is N910T3 bootloader is not locked unlike verizon or at&t .
All you have to do is go to settings/about device and hit on build number 7 times .
You will see in settings "developer options" go to OEM UNLOCK and just turn it on this will unlock your bootloader and make sure reactivation lock is turned off in settings/security.
Thats it now you can go to download mode and flash twrp recovery and flash any rom from twrp compatible for your model.
Click to expand...
Click to collapse
Has anyone tried this? I have an 910T3 running a custom ROM on lollipop 5.1.1. I wish to try and upgrade to marshmallow 6.0.1, and eventually a new custom ROM, but I am hesitant to do so as I have read that the 910T3 cannot be downgraded, should I like to return back to lollipop.
After setting OEM unlock , don't you need to use a procedure with adb fastboot through a terminal interface to unlock the bootloader?
I would love to know more about this before I attempt and irreversible upgrade.
Any help or advice would be greatly appreciated.
580guy said:
Has anyone tried this? I have an 910T3 running a custom ROM on lollipop 5.1.1. I wish to try and upgrade to marshmallow 6.0.1, and eventually a new custom ROM, but I am hesitant to do so as I have read that the 910T3 cannot be downgraded, should I like to return back to lollipop.
After setting OEM unlock , don't you need to use a procedure with adb fastboot through a terminal interface to unlock the bootloader?
I would love to know more about this before I attempt and irreversible upgrade.
Any help or advice would be greatly appreciated.
Click to expand...
Click to collapse
Once you upgrade to marshmallow you cannot downgrade to lollipop forget it.
To unlock bootloader you just have to turn on oem unlock thats it no need adb.
If you are already running custom rom as you mentioned your bootloader should be already unlocked.
Trex888 said:
Once you upgrade to marshmallow you cannot downgrade to lollipop forget it.
To unlock bootloader you just have to turn on oem unlock thats it no need adb.
If you are already running custom rom as you mentioned your bootloader should be already unlocked.
Click to expand...
Click to collapse
So, trying to clarify, what you are saying is once you upgrade to marshmallow bootloader is permanently locked? From what I understand, locked bootloaders are what prevent you from changing ROMs, so I assume you are saying that OEM unlock will not work under marshmallow?
So no way I could reflash DOK2 Bootloader and return to Lollipop again? Or just flash a stock Lollipop ROM with ODIN?
580guy said:
So, trying to clarify, what you are saying is once you upgrade to marshmallow bootloader is permanently locked? From what I understand, locked bootloaders are what prevent you from changing ROMs, so I assume you are saying that OEM unlock will not work under marshmallow?
So no way I could reflash DOK2 Bootloader and return to Lollipop again? Or just flash a stock Lollipop ROM with ODIN?
Click to expand...
Click to collapse
Oem unlock will work no problem on marshmallow and you can root & flash roms easily same as lollipop.
But you can only flash marshmallow roms once you upgrade.
I was saying only you cannot downgrade from marshmallow to lollipop.
odin will fail if you try to downgrade
Trex888 said:
Oem unlock will work no problem on marshmallow and you can root & flash roms easily same as lollipop.
But you can only flash marshmallow roms once you upgrade.
I was saying only you cannot downgrade from marshmallow to lollipop.
odin will fail if you try to downgrade
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Thanks for the reply. In doing more searching around I found one of your older posts from 2016 and it sounds to me like it is a idiosyncrasy of the 910t3. I believe you stated you sold the T3 and ended up getting a 910T for that reason, so you could downgrade if you wished. Looks like I will be sticking with lollipop, unless I get another motherboard or phone. Thanks again for the response.
Hey guys, I have an lm-v405ua unlocked from at&t. Software version is 30e but I am hoping to install TWRP and lineage OS.
What root methods will work for this configuration? Also, without a pc, how do I ensure an unlocked bootloader?
Thanks in advance.
I dont now open .
I need my chave u now after am going... maybe
I dont now open .
I need my chave u now after am going... maybe
Bill W 466 said:
Hey guys, I have an lm-v405ua unlocked from at&t. Software version is 30e but I am hoping to install TWRP and lineage OS.
What root methods will work for this configuration? Also, without a pc, how do I ensure an unlocked bootloader?
Thanks in advance.
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Click to collapse
I don't think there's any way to replace the basic 'fastboot oem unlock' command. Which is done with a pc (with fastboot / adb installed) connected to the device (and it's in fastboot mode, which for the v40 requires a pc with qfil to flash the v35 eng abl).
That I think is the roadblock for doing any of the other things, without an unlocked bootloader... then it's full stop. Can't go farther.
AsItLies said:
I don't think there's any way to replace the basic 'fastboot oem unlock' command. Which is done with a pc (with fastboot / adb installed) connected to the device (and it's in fastboot mode, which for the v40 requires a pc with qfil to flash the v35 eng abl).
That I think is the roadblock for doing any of the other things, without an unlocked bootloader... then it's full stop. Can't go farther.
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I apologize for my duplicate posts. Can you direct me to a thread with detailed instructions for flashing the necessary v35 image. I should have a new laptop coming in a few days.
I am not a total noob as I've used fastboot, adb, and in fact lgup (had a v20 a while back.) it's been a couple of years since I've done any of this as I've been away for a bit.
Thanks again...
Bill W 466 said:
I apologize for my duplicate posts. Can you direct me to a thread with detailed instructions for flashing the necessary v35 image. I should have a new laptop coming in a few days.
I am not a total noob as I've used fastboot, adb, and in fact lgup (had a v20 a while back.) it's been a couple of years since I've done any of this as I've been away for a bit.
Thanks again...
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Yes, this is the thread to follow to unlock the BL. Most of that is up to date, except maybe the part about getting twrp, but I can help with that when u get to that point.
Some important info you may or may not know, with prior experience: Some carriers make thier kdz available, some don't. So the ones that don't, it means it's imperative you make a backup of any partition first, before changing it (because if u don't, and u mess up, you'll have no way to 'get back').
Also, if you decide to do 'cross-flashing' be sure to backup the specific partitions that contain your imei and s/n, as those can get messed up in the process and without the backups the missing imei may be unable to make a call.
You might also notify a Moderator (see mod list in ea thread) and ask them to del the threads you started in Guides and Roms, because unfortunately, when new people see one person do it, then they do it also, then it just turns into a hella mess.
cheers