I recently got an A12 yesterday and I've bricked it twice trying to downgrade it. It's unbricked now but when I try to put android 10 on it, it fails. The reason I want to downgrade the os is so I can OEM unlock it. It's an sm-a125U1 and it seems no one else is having this issue.
Professorwhiz said:
I recently got an A12 yesterday and I've bricked it twice trying to downgrade it. It's unbricked now but when I try to put android 10 on it, it fails. The reason I want to downgrade the os is so I can OEM unlock it. It's an sm-a125U1 and it seems no one else is having this issue.
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Click to collapse
It's pretty simple actually, you can't downgrade it unless it's the same binary version. Android 10 probably has U1 if you're on Android 11 or Android 12 you're probably higher than that meaning you can't downgrade. If you're binary number was U1 as well you could
Professorwhiz said:
I recently got an A12 yesterday and I've bricked it twice trying to downgrade it. It's unbricked now but when I try to put android 10 on it, it fails. The reason I want to downgrade the os is so I can OEM unlock it. It's an sm-a125U1 and it seems no one else is having this issue.
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Click to collapse
Once you've upgraded the binary number you can't go back to any firmware with lower binary number
Is it possible there is an older Android version with the same binary number as my current one?
Allehandro said:
Once you've upgraded the binary number you can't go back to any firmware with lower binary number
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Click to collapse
I've been trying to downgrade android 10 because I want to OEM unlock it. Do you have any idea how I could OEM unlock it?
Professorwhiz said:
Is it possible there is an older Android version with the same binary number as my current one?
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Click to collapse
You're going to have to check for yourself. Though if android 10 is your goal, forget about it cause there's no way the binary is the same up until now.
Professorwhiz said:
Is it possible there is an older Android version with the same binary number as my current one?
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Click to collapse
Just check the firmware number , there is usually a U there specifying the binary number. Check yours in the settings and then check any firmware online. If it has the same number then you can use it
Professorwhiz said:
I've been trying to downgrade android 10 because I want to OEM unlock it. Do you have any idea how I could OEM unlock it?
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Click to collapse
I have an a125f, so for me it's straightforward. For your model you are going to have to check in the forum.
Allehandro said:
I have an a125f, so for me it's straightforward. For your model you are going to have to check in the forum.
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Click to collapse
I'm flashing android 11 on it right now, From what I've looked through there are no threads or posts about my phone.
Allehandro said:
I have an a125f, so for me it's straightforward. For your model you are going to have to check in the forum.
Click to expand...
Click to collapse
I was able to flash android 11, no OEM but I did search around and still found nothing.
Related
Hello,
Just wanted to share this with the community as I found this just yesterday. If you goto your settings and click connections then "More connection settings" towards the bottom there is an option for "Network Unlock". I did this like I said yesterday and it permanent unlocked the phone. I don't have any other SIM cards to try and see if it will go on a different network but just wanted to point this out to the community!
~DJ
djdeath15 said:
Hello,
Just wanted to share this with the community as I found this just yesterday. If you goto your settings and click connections then "More connection settings" towards the bottom there is an option for "Network Unlock". I did this like I said yesterday and it permanent unlocked the phone. I don't have any other SIM cards to try and see if it will go on a different network but just wanted to point this out to the community!
~DJ
Click to expand...
Click to collapse
That's not an OEM unlock, you've only unlocked the SIM card lock.
Into the sun you go
I wondered if this was either effecting, &or blocking or stopping oem unlock from showing or being visible? Just a thought.
ATGkompressor said:
I wondered if this was either effecting, &or blocking or stopping oem unlock from showing or being visible? Just a thought.
Click to expand...
Click to collapse
It's our specific model.
There are no 205u units in public domain that exist with an oem toggle.
It's disabled by default in the 205u source.
The only way this might be possible is with combination firmware but in all my searching so far i have yet to find bootloader 5 combination firmware ...
If anyone can find me a bootloader 5 android 10 combination firmware for the 205U varient i would be willing to see if there would be a way to get this rooted and bootloader unlocked
https://www.full-repair-firmware.com/2019/08/Combination-a205u.html
physwizz said:
https://www.full-repair-firmware.com/2019/08/Combination-a205u.html
Click to expand...
Click to collapse
Has everything except binary 5, probably gonna be waiting on that for a while
ninjasinabag said:
Has everything except binary 5, probably gonna be waiting on that for a while
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Click to collapse
Bin 4 won't work?
physwizz said:
Bin 4 won't work?
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Click to collapse
It would help for anyone still on pie if we could flash it.
Anyone who upgraded to Q would be in the cold for now.
i cant use bin 4 on my device because i upgragded to android 10 already on it so i couldnt even test to see if it was possible thats why im looking for combo firmware bootloader 5
ninjasinabag said:
It would help for anyone still on pie if we could flash it.
Anyone who upgraded to Q would be in the cold for now.
Click to expand...
Click to collapse
Yo I got this phone and figured it's a paperweight until root aka on Android 9 installed magisk manager , zarchiver and combination file matching numbers. Here is where I'm at a lack of expertise cuz magisk won't install enough to feed it the boot.img. Please Help Anyone:silly:
ddougg said:
Yo I got this phone and figured it's a paperweight until root aka on Android 9 installed magisk manager , zarchiver and combination file matching numbers. Here is where I'm at a lack of expertise cuz magisk won't install enough to feed it the boot.img. Please Help Anyone:silly:
Click to expand...
Click to collapse
The combination file is from an older bootloader, so it retains the most recent bootloader to maintain integrity of the Qfuse.
That's kinda why we want the combination file for 10, the bootloader hasn't changed which means the file would be universal for anyone who updates.
ninjasinabag said:
The combination file is from an older bootloader, so it retains the most recent bootloader to maintain integrity of the Qfuse.
That's kinda why we want the combination file for 10, the bootloader hasn't changed which means the file would be universal for anyone who updates.
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Click to collapse
yo Ninja I found the latest firmware with the u5 bootloader . It won't let me upload , bummer. I'll try again tonight. help
ddougg said:
yo Ninja I found the latest firmware with the u5 bootloader . It won't let me upload , bummer. I'll try again tonight. help
Click to expand...
Click to collapse
Do you have a link or anything to the source? I'll check it out and test when home
Ninja Do you have an email I could send the files to? Mega is being itchy bout an account from 3years ago and drive wants to copy my entire laptop,
I have the 205U as well I never could get antything to work I tried Odin and Magisk did not work I do have Android 10 as well I just look at the fix website I dont know what to do there or it would work with my latest vversion of my phone willl shoud I try to use it and would it be done it hasd 5 fixes that need to be installed ?
U is Unrootable
techmanc said:
I have the 205U as well I never could get antything to work I tried Odin and Magisk did not work I do have Android 10 as well I just look at the fix website I dont know what to do there or it would work with my latest vversion of my phone willl shoud I try to use it and would it be done it hasd 5 fixes that need to be installed ?
Click to expand...
Click to collapse
At the moment, all U devices are unrootable.
Try this
https://forum.xda-developers.com/galaxy-a20/how-to/a205-bootloader-unlock-twrp-root-t4189197
I bought a used S10e. It is Android 9, and OTA not find newer FW. Can i change the SW without risk?
Have you a noob tutorial, how can i do it?
Which ROM is suggested? Which have minimal bugs, and great battery time? I prefer the non-root original FW.
Android 9
G970FXXU3ASH3
Build: G970FXXU3ASH6
SAOMC_SM-G970F_OXM_XEH_PP_0014
Knox 3.3
Odin can upgrade, and downgrade FirmWare, when OEM unlocking is Enabled, in developers settings.
Downgrade too? I have andoid 11 and i wanna back to 10. There will be no problem with bootloader? (sometimes new android get new bootlader and then u cant back to old android - heard something like that)
edit:
I will answer myself: yes, U can downgrade without any issue
wmiki75 said:
Odin can upgrade, and downgrade FirmWare, when OEM unlocking is Enabled, in developers settings.
Click to expand...
Click to collapse
Does anybody know a legit source for Odin? The links provided are down :-(
Is it possible to go from Android 13 One UI 5.0 back to Android 12 One UI 4.0? Android 13/One UI 5.0 is terrible in so many ways I am down with it. Is the bootloader the same or anything else that would cause me to downgrade back to Android 12? Let me know thank you!
oneandroidnut said:
Is it possible to go from Android 13 One UI 5.0 back to Android 12 One UI 4.0? Android 13/One UI 5.0 is terrible in so many ways I am down with it. Is the bootloader the same or anything else that would cause me to downgrade back to Android 12? Let me know thank you!
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Click to collapse
Odin is the only way, however doubtful whether it will let a previous firmware flash go through.
JazonX said:
Odin is the only way, however doubtful whether it will let a previous firmware flash go through.
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Click to collapse
Yeah Odin is no problem but that is what I am worried about. Trying to figure out if they changed to bootloader or something that wouldn't allow it to flash.
oneandroidnut said:
Yeah Odin is no problem but that is what I am worried about. Trying to figure out if they changed to bootloader or something that wouldn't allow it to flash.
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Click to collapse
How would you then block the future OTA's ?
Are you rooted ?
JazonX said:
How would you then block the future OTA's ?
Are you rooted ?
Click to expand...
Click to collapse
I am not rooted, Unlocked S22 Ultra but you can freeze the OTA updater. I had that done before and "thought" android 13 would be nice but boy was I wrong. Guess I will buy another S22 and sell mine lol
As long as bootloader is the same , going back to 12 is not an issue..which it is. To block future updates just install AdbAppControl and disable the software update.
butchieboy said:
As long as bootloader is the same , going back to 12 is not an issue..which it is. To block future updates just install AdbAppControl and disable the software update.
Click to expand...
Click to collapse
Is it the same bootloader? I guess I could download both updates and compare correct?
You can block info about update info too by download other version soft (older or even from A13) and flash only modem via Odin different from your current soft.
After that you will not see info about update.
Hi I have a lg velvet phone that's frp locked is there a way to bypass it with out a computer and can I use a sd card to bypass it or even to down grade it from android 12 to android 10
No one replied yet? That's my issue also. I do have a computer. I think to downgrade it you need to pay for the software. But haven't gotten any real solution yet
JoKingg said:
No one replied yet? That's my issue also. I do have a computer. I think to downgrade it you need to pay for the software. But haven't gotten any real solution yet
Click to expand...
Click to collapse
You can downgrade it with an older dll from LGUP.Try this one!
It's crazy no one replied to doug for like 2 months. Have you tried downgrading and it worked?
Surgemanxx said:
You can downgrade it with an older dll from LGUP.Try this one!
Click to expand...
Click to collapse
JoKingg said:
It's crazy no one replied to doug for like 2 months. Have you tried downgrading and it worked?
Click to expand...
Click to collapse
I highly doubt downgrading will remove the FRP lock.There is 3 different versions of the Velvet.You have a 4g model which was never released in the states.The 5g devices have 2 different chipsets.AT&T/Verizon use the Snapdragon 765g which there isn't a firehose and the other is T-Mobile's MediaTek version.The MediaTek variant may be a little easier.I would personally try downgrading to A11 and see if it removes it.I don't think so,but worth a shot.I have seen some use Chimera Tool,and just reflash the firmware and it removes it for you.Most definitely you'll need a PC either way.You can search on Youtube and try some of those "so called" methods without a PC,but most I have seen are b.s. to begin with.Click bait!
Hello!
I lost my warp charge with the new H41 update so with that gone my phone is totally useless.
I want to do a rollback and from what I ve heard/experienced A10 was the best OS.
Can I roll back from A12 to A10?
If the answer is no, how would I go to A12 to A11 and then A10?
Thank you in advance
trancero said:
Hello!
I lost my warp charge with the new H41 update so with that gone my phone is totally useless.
I want to do a rollback and from what I ve heard/experienced A10 was the best OS.
Can I roll back from A12 to A10?
If the answer is no, how would I go to A12 to A11 and then A10?
Thank you in advance
Click to expand...
Click to collapse
Hi, yes it is possible. You have to download the firmware for your android 10 device and I also have to warn you that you will lose all the data on your phone and I think you will also have to have an unlocked bootloader to downgrade but I am not sure.
Jan Skokan said:
Hi, yes it is possible. You have to download the firmware for your android 10 device and I also have to warn you that you will lose all the data on your phone and I think you will also have to have an unlocked bootloader to downgrade but I am not sure.
Click to expand...
Click to collapse
I already did it. You dont need and unlocked bootlader just flash a couple files with local update and thats it.
trancero said:
I already did it. You dont need and unlocked bootlader just flash a couple files with local update and thats it.
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Click to expand...
Click to collapse
Ok, thanks