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flash lollipop coming from marshmallow

HI. I run android 6.0.1 and want to downgrade to android 5 dure the bad quality of the epd resolution on marshmallow. I know I need to be in 4.4.3 and then upgrade to 5.0 to achieve lollipop, but read in the forum I would break the phone if I flash to 4.4.3 once I flash to marshmallow, because the bootloader changed .
So, if there isn't a FOTA of lollipop it means I can't run it no more?

You can also flash the bootloader, and I am pretty sure that you don't need to go to 4.4.3 first. You can just directly flash lollipop. Lollipop and MM don't have a different bootloader by the way.
I know because I when MM was still in testing phase, I switched back to lollipop first before upgrading to the official MM release.
That being said, a lot of stuff can go wrong if you start flashing while not completely knowing what you are doing and there are no completely foolproof programs or guides for the yotaphone out there.
If you wanna go at it anyway, you can start with the links below for info and firmware files.
https://forum.xda-developers.com/yotaphone-one/help/guide-everything-to-yotaphone2-t3547194
https://forum.xda-developers.com/yotaphone-one/general/firrmware-files-one-files-onedrive-t3633138
Grts

Yeah that's great to know, but thats why I ask about the tioe of firmwares, because, if I am right, I can flash a FOTA but not a OTA of a lower version coming from a newer one.
Which lollipop firmware did you flashed?
As you say, I want to understand it before maybe bricking it

eReader Fan said:
Yeah that's great to know, but thats why I ask about the tioe of firmwares, because, if I am right, I can flash a FOTA but not a OTA of a lower version coming from a newer one.
Which lollipop firmware did you flashed?
As you say, I want to understand it before maybe bricking it
Click to expand...
Click to collapse
I flashed the ru 124 firmware. Someone uploaded all firmware files here:
https://forum.xda-developers.com/yotaphone-one/general/firrmware-files-one-files-onedrive-t3633138.
Downside is that you have to download everything even though you probably just want 1 of the firmware files.
For your convenience, I uploaded my lollipop firmware files here along with the needed software and drivers and a bat script to flash it all:
https://drive.google.com/open?id=0B_Z57M1pKWRuSm5LTXhBYzJfS00

Android 8 Oreo Update

Deleted

Maybe because the Sprint Oreo will be using BLv6 so its 2 numbers behind everyone else? lol ... anyone have any thoughts about what the BL-version could possibly be for the Sprint Oreo? ... could they or would they use a BLv4 like everyone else?

that was the Sprint answer

SprintBama said:
Maybe because the Sprint Oreo will be using BLv6 so its 2 numbers behind everyone else? lol ... anyone have any thoughts about what the BL-version could possibly be for the Sprint Oreo? ... could they or would they use a BLv4 like everyone else?
Click to expand...
Click to collapse
If anything, they would change it to v7. Maybe they are waiting for a merger, which could happen next week

I checked for update today and got 1627.64mb g930pvpu6cre7 Samsung experience 9.0 with oreo.

I haven't gotten an update from Sprint on my S7 since December 2016. I am still on some random Nougat beta version.
I thought a brand new firmware update to Oreo would reset whatever bug was in there causing this, but it looks like one person in my house got the Oreo update and mine is still saying I am up to date when I check manually.
Is there no longer an ODIN for macOS? I thought there was one, but I used it on another Mac maybe 4 years ago when I was on my S3 and rooting it. Doesn't seem to exist anymore.

Just received oreo on my s7 for boost. So far I'm not impressed. I was really hoping for Dolby on this but guess not. The build number is SMG930PVPU6CRE7

kalala said:
I haven't gotten an update from Sprint on my S7 since December 2016. I am still on some random Nougat beta version.
I thought a brand new firmware update to Oreo would reset whatever bug was in there causing this, but it looks like one person in my house got the Oreo update and mine is still saying I am up to date when I check manually.
Is there no longer an ODIN for macOS? I thought there was one, but I used it on another Mac maybe 4 years ago when I was on my S3 and rooting it. Doesn't seem to exist anymore.
Click to expand...
Click to collapse
On Mac you can use Heimdall to flash the latest Nougat firmware then update through OTA to Oreo. Because there isn't any firmware file yet on Updato or Sammobile.

i manfully updated @ 4:15. they sent it @ 1627.64 mb. still downloading. when I got my att update I tried all the batch root methods for my 935a. saving magisk for last bc I didn't have the boot.img for the cre4 update.
I I only had the "att beta" update from March. long story short it won't boot with the nougat eng.boot. I gave it an hour. I cleared the cache, factory reset, tried to add flash all of the earlier img files I had for oreo, nothing worked. had to flash it back to nougat bra1. I immediately requested the update again. they approved. the next day I attempted to flash magisk 16.4. w/ the modified odin 3.1.3 version. it wouldn't flash. with the cre4 boot.tar in hand, I tried every method on gods green earth to gain some sort of r/w access. it was late, I was tired, I flashed the eng boot. once again it was stuck at the Samsung boot logo. it wouldn't allow me into recovery to push the cre4 update zip. once again I'm back to bra1 nougat. I booted into recovery & updated it from the sd card. when it booted I noticed it wasn't anywhere as clean & polished as the ota I had twice. I've flashed back to brd1 ten times, & requested the ota. after smart switch, I used all the avail windows software I could acquire & kept trying, they won't send it. but they did provide me with a new picture for my samsung account. I'll post it later. gotta check out this 930p oreo.

razor001_ said:
On Mac you can use Heimdall to flash the latest Nougat firmware then update through OTA to Oreo. Because there isn't any firmware file yet on Updato or Sammobile.
Click to expand...
Click to collapse
I don't think Heimdall works on High Sierra or even Sierra anymore.

I'm wanting to move to a SM-930U version of stock android on my 930P. But in struggling to do so for the past couple of weeks I finally figured out that sprint as updated the bootloader to version 5 and most of the firmware images for 930U are version 4 (android 7 nugut). (PU4 vs PU5) which results in a Odin fuse error.
The phone is currently nagging me to go from PU5BQL1 to BU6BRD2. If I understand the nameing convention that would move me to version 6 of the bootloader.
What are the odds I can move to oreo for 930U and avoid the bootloader fuse issue? I think I also understand that as of this posting date a 930U oreo firmware has not been released?

schmism said:
I'm wanting to move to a SM-930U version of stock android on my 930P. But in struggling to do so for the past couple of weeks I finally figured out that sprint as updated the bootloader to version 5 and most of the firmware images for 930U are version 4 (android 7 nugut). (PU4 vs PU5) which results in a Odin fuse error.
The phone is currently nagging me to go from PU5BQL1 to BU6BRD2. If I understand the nameing convention that would move me to version 6 of the bootloader.
What are the odds I can move to oreo for 930U and avoid the bootloader fuse issue? I think I also understand that as of this posting date a 930U oreo firmware has not been released?
Click to expand...
Click to collapse
almost zero... asuming that Oreo for "U" Variants step up with BL on this month maybe next one, is something pausible but stepping up two versions in any short time is questionable... but who knows. The best you can do is wait this or the next month for BL update on U variants.

To be clear I'm still on version 5. I will continue to put off the upgrade to 6.

how to downgrade from official 8.0 to 6.0

I try with Odin but it is not...please.

Try to download latest 6.0 frimware but I think bootloader is locked and it's impossible.

Have you tried with ticking bootloader option i Odin ?

anarasgarli said:
Try to download latest 6.0 frimware but I think bootloader is locked and it's impossible.
Click to expand...
Click to collapse
oh yes..

Sparkynis said:
Have you tried with ticking bootloader option i Odin ?
Click to expand...
Click to collapse
yes.

nm180618 said:
I try with Odin but it is not...please.
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Click to collapse
I believe i read somewhere on here that you can only flash the same bootloader version as 8.0 is version 2 so the only one you can downgrade to is one with bootloader version 2 and that is 7.0 i understand. Correct me if i am wrong though,

daveparki said:
I believe i read somewhere on here that you can only flash the same bootloader version as 8.0 is version 2 so the only one you can downgrade to is one with bootloader version 2 and that is 7.0 i understand. Correct me if i am wrong though,
Click to expand...
Click to collapse
Correct.
Find 7.0 Firmware that is at least March 2018 or newer (Binary 2 Rom) to downgrade from 8.0 Oreo

benjamen50 said:
Correct.
Find 7.0 Firmware that is at least March 2018 or newer (Binary 2 Rom) to downgrade from 8.0 Oreo
Click to expand...
Click to collapse
Just download the firmware for 6.0.1 and flash it in odin, I've done it several times and it works very nicely.

I'm surprised they would allow 6.0.1 firmware to flash what model is your phone sm-g935f and was it on 8.0?

BL code drops to 6.0 without code but network goes

daveparki said:
I believe i read somewhere on here that you can only flash the same bootloader version as 8.0 is version 2 so the only one you can downgrade to is one with bootloader version 2 and that is 7.0 i understand. Correct me if i am wrong though,
Click to expand...
Click to collapse
yes only the latest 7.0 firmware

Hello,
I downgraded to 6.0 but phone is now stuck in boot loop and i'm unable to access recovery mode.
I'm only able to access download mode.
Please how can i resolve this problem?

Hey guys, who knows do we have option like — flash fw with older bootloaders and then do isolated new bootloader flash to make older fw work?
Something like that, because i "heard" similar tricks in internet, like people are flashing modem and bootloader bins separately after downgrade flashing like from android 8 to 6. But didn't find proper instructions on that.
Is it possible? Is there instruction out there?
Yeah, oreo is better than nougat and yeah yeah new features, new updates blablabla. I just believe that every device is always better with its first software - we all saw and know how Apple does, i dont think that other companies dont do something like this...after masscopy of notches personally i dont have any doubts...why you think samsung "upgrades" this bootloader sh*t? It's the same thing like it was with iphone 4s - no downgrade option, and "upgraded" version of fw forcedly reduced the work of processor and other performances - you forced to BUY new one. Same politics in Samsung.
Well, for me marshmallow is better than all others in using S7 - it's faster and bugfree than nougat or oreo, yes it's oldy and even some basic performance features not exist, but still android 6 is the best for S7. I used custom roms but they are really buggy, badly buggy, definitely not a choice for everyday using. Oh i missed the days with nexus phones...not pixels.

Advice
Alex-M8 said:
Just download the firmware for 6.0.1 and flash it in odin, I've done it several times and it works very nicely.
Click to expand...
Click to collapse
my friend you were correct she worked said failed after BL CP gave it a shot with hydrarom and she loaded right up to my amazement!!!
thxs

mark5150 said:
my friend you were correct she worked said failed after BL CP gave it a shot with hydrarom and she loaded right up to my amazement!!!
thxs
Click to expand...
Click to collapse
Explain bro..how is the performance? How it feels?

Downgrade from Oreo stock(8.1) to Nougat(7.0)

Hello,
1.Can we downgrade to 7.0 from 8.1? If yes,how?
2.Problems which may arise during downgrade?
3.If no why?
I'am fedup with the performance of 8.1,bootloops sometimes, network problems,and majorly battery backup and low volume issue.
#TIA

anhoxhrs said:
Hello,
1.Can we downgrade to 7.0 from 8.1? If yes,how?
2.Problems which may arise during downgrade?
3.If no why?
I'am fedup with the performance of 8.1,bootloops sometimes, network problems,and majorly battery backup and low volume issue.
#TIA
Click to expand...
Click to collapse
Did you installed the twrp version of an Oreo rom or which rom do you have. Did you have an unlocked bootloader? How did you update to oreo?

Upgraded to 8.1 (stock)through adb,i have bootloader unlocked and also have twrp.(no custom rom installed)

anhoxhrs said:
Upgraded to 8.1 (stock)through adb,i have bootloader unlocked and also have twrp.(no custom rom installed)
Click to expand...
Click to collapse
You cannot downgrade the bootloader if you flash the stock nougat rom by fastboot, otherwise it's hard bricked.
But I don't know if stock nougat rom will work with stock oreo bootloader @echo92, you know it maybe?

anhoxhrs said:
Upgraded to 8.1 (stock)through adb,i have bootloader unlocked and also have twrp.(no custom rom installed)
Click to expand...
Click to collapse
strongst said:
You cannot downgrade the bootloader if you flash the stock nougat rom by fastboot, otherwise it's hard bricked.
But I don't know if stock nougat rom will work with stock oreo bootloader @echo92, you know it maybe?
Click to expand...
Click to collapse
If stock Oreo is downgraded to Nougat, the bootloader may work with either firmware, I don't know for certain. However, OTA updates must be avoided if there's been a downgrade to Nougat or earlier (unless you're using the Oreo OTA); attempts to use old OTA updates on downgraded firmware is a great way to hard brick (and currently without recourse - we do not currently have a working Oreo blankflash).
However, if you downgrade your firmware, I am concerned you may lose SIM access/IMEI, given your baseband is on .77R (Oreo), whereas downgrading to Nougat would result in a baseband of .62.02R due to changes between the 2 basebands. You may have to consult this thread if you do lose your SIM/IMEI https://forum.xda-developers.com/moto-g4-plus/how-to/guide-moto-g4-plus-imei0-issue-t3859068
@anhoxhrs Have you considered replacing your battery, or at least ruled out battery issues like a failing battery? I'm just wondering if the bootloops and poor battery life may be due to the battery. Also, when you updated to Oreo, did you clean flash or factory reset your device?

The SOT has reduced by 30%,and most of the battery is consumed by mobile standby(weird).Its a clean flash. being my primary phone, 8.1 is troublesome.Yeah the battery was pretty good before the update.Chargeing time also has increased.for eg- 95 to 100 about 1/2 hr to 45 mins.

How can I downgrade from Pie to Oreo [J530f]

My device is Samsung Galaxy j5 2017 Pro Dual Sim.
Right now I am on pie,one ui. I would like to go back to oreo since performance was,at least for me,so much better and i had more control of camera beacuse the app was better. Problem is now that my bootloader is V6 but all of the oreo firmwares are on V5. Is there ANY way to go back or am I stuck.
Maybe combining files,flashing oreo without bootloader md5 selected in odin?

You will have to extract the Oreo stock firmware and flash bootloader and modem using Odin.
Not as straightforward as it sounds either.
If I get time after work (yes I'm one of the unlucky ones still working in this mayhem) I'll have a look at it and try extract the files for you

Hi, my phone is a samsung galaxy J5 J530F 2017 dual sim. I updated my phone to ANDROID 9 (PIE) and I'm unhappy with the update. When I want to update back to Android 7 via odin, it ends with a FAIL error right at the beginning of the update. I managed to return to Android 7 with a backup I created via TWRP on Android 7, but the phone no longer runs smoothly and sometimes freezes. Is there any way I can get back to Android 7? I would be very grateful. Thank you.

garylawwd said:
You will have to extract the Oreo stock firmware and flash bootloader and modem using Odin.
Not as straightforward as it sounds either.
If I get time after work (yes I'm one of the unlucky ones still working in this mayhem) I'll have a look at it and try extract the files for you
Click to expand...
Click to collapse
Hey, I'm interested on this topic too, were you able to extract the files to do the downgrade?