downgrade OS - Samsung Galaxy A8 (2018) Questions & Answers

Is it possible to downgrade to from android 9 back to Android Oreo. ( Flashed it via odin)

Dantar0 said:
Is it possible to downgrade to from android 9 back to Android Oreo. ( Flashed it via odin)
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For you to down grade you could only if example.
Build xxu4
Build xxu4.
Could not down grade to xxu3.
This whole update is going to take a long time you are better waiting.
Personally mine most likely never see update I'm going to sell it.

mchlbenner said:
For you to down grade you could only if example.
Build xxu4
Build xxu4.
Could not down grade to xxu3.
This whole update is going to take a long time you are better waiting.
Personally mine most likely never see update I'm going to sell it.
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Can you write how to do it ?? I have the same problem that I can not go back to oreo , which soft should I download ??
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adek89 said:
Can you write how to do it ?? I have the same problem that I can not go back to oreo , which soft should I download ??
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This is the only one you can download grade to but I'm not 100% sure.
You have skipped flashing new bootloader and see if you could bootup without it.

mchlbenner said:
This is the only one you can download grade to but I'm not 100% sure.
You have skipped flashing new bootloader and see if you could bootup without it.
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I did not have time to wait, I downloaded the filer and it worked

adek89 said:
I did not have time to wait, I downloaded the filer and it worked
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What ever you don't flash new bootloader or modern.

mchlbenner said:
What ever you don't flash new bootloader or modern.
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I think I'll have to downgrade to the recent one which is thr February 2019 security patch on 8.0. Do I need to turn on OEM unlock? I've checked that I am on xxu4

Related

XT1572 Security Update OTA [20.201.3.en.03] [INDIA]

Captured and available.
Security Patch Level : February 2016
Download:
https://drive.google.com/file/d/0B-KK9p2U58kOV2RLcXNKdmRfdDg/view?usp=sharing
Hello, i heard that if you are rooted.. and on twrp with bootloader unlocked... then this update gets to restart loop as its a security patch.
But thanks for google drive upload.
desiaddict said:
Hello, i heard that if you are rooted.. and on twrp with bootloader unlocked... then this update gets to restart loop as its a security patch.
But thanks for google drive upload.
Click to expand...
Click to collapse
Yeah this cannot be applied to rooted devices.
I am going to try to mod this file so rooted users can flash this.
I am just going to TRY.
I made an nandroid of my device right after I unlocked it and applied twrp, so I just have to restore system (to remove xposed, etc) , boot (as I have a custom kernel and system-less root) and stock recovery and it should flash ok.
I have a European device...
kadopt said:
I made an nandroid of my device right after I unlocked it and applied twrp, so I just have to restore system (to remove xposed, etc) , boot (as I have a custom kernel and system-less root) and stock recovery and it should flash ok.
I have a European device...
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Click to collapse
There is diff thread for EU Update check that out.
AmeyRanberg said:
There is diff thread for EU Update check that out.
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I'm aware of that, thanks. Euro OTA was captured already and I've also got the notification to flash.
I was just providing information.
kadopt said:
I'm aware of that, thanks. Euro OTA was captured already and I've also got the notification to flash.
I was just providing information.
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Okaay. ?
Can i apply this upadte after reflashing stock rom via fastboot?? Nd 2ndly can i root my device again after installing this update??
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Bypass batch updates and don't wait to get Oreo anymore

Here is a nice free app available on playstore which is very useful if you wan to bypass the annoying (very annoying) batch update Huawei put into place and get your phone up to date now! :angel:
Firmware Finder can force the installation of the most up-to-date firmware on your device.
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Updating to Oreo now
You can choose to use vpn or proxy to bypass Huawei restriction
Thanks Devs for this great app!!! :good::good::good::good:
timus8 said:
Here is a nice free app available on playstore which is very useful if you wan to bypass the annoying (very annoying) batch update Huawei put into place and get your phone up to date now! :angel:
Firmware Finder can force the installation of the most up-to-date firmware on your device.
Updating to Oreo now
You can choose to use vpn or proxy to bypass Huawei restriction
Thanks Devs for this great app!!! :good::good::good::good:
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Don't get too excited. If the firmware is not approved then it's just a waste of precious data.
SVR said:
Don't get too excited. If the firmware is not approved then it's just a waste of precious data.
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Worked perfectly well for me, full OTA
timus8 said:
Worked perfectly well for me, full OTA
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Probably the firmware is approved ! Did you check that?
SVR said:
Probably the firmware is approved ! Did you check that?
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Yes it has been approved , Full OTA version works as below:
How to do that? Can it bypass huawei acc? How to isntall if i stuck.in HUAWEI acc?
Yeah see that, but for some reason it fails at 5% even though the update is approved. I think time to go back to Samsung...

Anyone got the F.13 update on their OnePlus nord

Hi all, I'm running a OnePlus Nord with OOS 12.1 (F.12 update) and the F.13 update is meant to be out but I don't see the update, can anyone help me, I have the Indian model
mattwhite7102 said:
Hi all, I'm running a OnePlus Nord with OOS 12.1 (F.12 update) and the F.13 update is meant to be out but I don't see the update, can anyone help me, I have the Indian model
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Just install Oxygen Updater app and all will be ok )
This is the problem I'm facing, the link is dead too
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Bro, I downloaded this file half an hour ago and everything was ok. You must try again or find a problem on your side

			
				
gorro8 said:
View attachment 5686145
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Yours is the Indian model right?
Yes, ac2001
gorro8 said:
Yes, ac2001
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Can you send me the zip file? This is what I see if I try to download manually,
OK. but you should keep in mind that this file is not installed in a standard way. you must do what is written in the screenshot to install this update
gorro8 said:
OK. but you should keep in mind that this file is not installed in a standard way. you must do what is written in the screenshot to install this update
View attachment 5686157
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I'm aware of this because I had to do this when I updated my phone to oxygenOS 12, I just need the file, If you have it uploaded to Google drive, that would be wonderful
Will it suit you if I upload it to the mega.nz?
gorro8 said:
Will it suit you if I upload it to the mega.nz?
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That works too
3.96 GB file on MEGA
mega.nz
How does the F.13 perform in comparison to OOS11 or F.12?
I was very unpleased with F12, very slow and laggy, battery eater... sticking with OOS11 until they fix it, which means, possibly forever ...
Edit:
I tested it. Seems faster and snappier than F.12, but the battery still drains pretty fast and sites with video/images are a lot choppier than in OOS11.
Did anyone got the F.14 update file before Oneplus removed it?

Question Is It Possible to downgrade from Android 12 to 11?

Hello,
The same question as the title, is it possible to downgrade android version 12 to 11? I feel that it runs too badly on android 12 compared to its previous version.
I already tried via odin, from G996BXXU5CVDD (current OS 12 installed on my cell phone) to G996BXXU3AUIE (the latest version of Android 11 available from my carrier); but when "starting" the process, it fails and on my cell phone it appears as "sw rev check fail (bootloader) device 0x5 binary 0x3".
plz Help
Thanks!
Depends on the bootloader version.
The 5th digit of the rom must the same or higher than the bootloader's 5th significant number/letter, it can't be lower.
In this case that number is 2:
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blackhawk said:
Depends on the bootloader version.
The 5th digit of the rom must the same or higher than the bootloader's 5th significant number/letter, it can't be lower.
In this case that number is 2:
View attachment 5687605
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ok, so I can´t go back D:!!!!!!!
Protosolid said:
ok, so I can´t go back D:!!!!!!!
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Ouch.
If it was a OTA update you can as long as the bootloader wasn't upgraded too.
If it came loaded with 12 the bootloader probably is also upgraded.
This is one thing I hate about stock Samsung's.
My one N10+ came loaded with 10 and the other is still running on 9. I prefer Pie, it's more 3rd party app friendly and easier to troubleshoot.
So yeah, I feel your pain
Rip. Android 12 sucks, I reverted back to 11 after less than a day of use. 13 doesn't seem like it'll get much better either.

Question Alternative to google wallets on unlocked mi 13?

Since I'm using global ROM on cn model, Google wallet refused to work on unlocked device. Is there anyway that it can be used or an alternative to it?
Thanks
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Root+Magisk+module safety or Xiaomi EU rom
Xiaomi EU rom is so great! you should try it!
Gankadin said:
Xiaomi EU rom is so great! you should try it!
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You can use it even without rooting?
Only concern if I root is OTA update...
NOSS8 said:
Root+Magisk+module safety or Xiaomi EU rom
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Would OTA work?
rockmaster said:
You can use it even without rooting?
Only concern if I root is OTA update...
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Yes' you don't need to root, the OTA is bit different. you getting the pop-up that ther is update avaible and the phone download it but it won't install it like in "normal" rom, all you need to do is to copy the .zip file file to your computer, put your phone to fastboot mode and run one file that will install the update and restart the phone.
read the "how to" guide here on forum.
rockmaster said:
Would OTA work?
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No need to root with Xiaomi Eu rom
Xiaomi EU rom=Hybrid = can be installed and and update with either Twrp(OTA) or Fastboot
Gankadin said:
Yes' you don't need to root, the OTA is bit different. you getting the pop-up that ther is update avaible and the phone download it but it won't install it like in "normal" rom, all you need to do is to copy the .zip file file to your computer, put your phone to fastboot mode and run one file that will install the update and restart the phone.
read the "how to" guide here on forum.
Click to expand...
Click to collapse
Thanks. I just flashed EU .21 ROM and wallet added successfully. Much love

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