Hello everyone,
I would like to know how to downgrade from A12 to last A11 version, because A12 have a lot of bugs.
If possible downgrade without lost user datas?
Thanks
Downgrade will wipe your data. There is a tutorial here. First backup your data, downgrade and restore.
Hi!!
Where can I find the tutorial?
Thanks!!
lorenbo said:
Hi!!
Where can I find the tutorial?
Thanks!!
Click to expand...
Click to collapse
[STOCK][FULL-ROM] OxygenOS_11.3_A.20 EU DN2103 | Unbrick guide
/* * Your warranty is... still valid! * I am not responsible for bricked devices, dead SD cards, * thermonuclear war, or you getting fired because the alarm app failed. * Please do some research yourself before asking or use anything on this...
forum.xda-developers.com
First post. Restore the full A20 firmware.
Then patch boot.img with magisk to avoid update to higher version and keep root. Ignore update requests from system update software.
Related
LineageOS is based on the Android Open Source Project with extra contributions from many people within the Android community. It can be used without any need to have any Google application installed. Linked below is a package that has come from another Android project that restore the Google parts. LineageOS does still include various hardware-specific code, which is also slowly being open-sourced anyway.
All the source code for LineageOS is available in the LineageOS Github repo. And if you would like to contribute to LineageOS, please visit out Gerrit Code Review.
Code:
#include
/*
* Your warranty is now void.
*
* I am not responsible for bricked devices, dead SD cards,
* thermonuclear war, or you getting fired because the alarm app failed. Please
* do some research if you have any concerns about features included in this ROM
* before flashing it! YOU are choosing to make these modifications, and if
* you point the finger at me for messing up your device, I will laugh at you.
*
* Submitting bug reports on nightly builds is the leading
* cause of male impotence.
*/
SUPPORTED DEVICES
Honor 4X
CHE2-UL00
<MOD EDIT - Unsupported Models removed.>
CHE2-L12
CHE2-L23
CHE2-TL00
CHE2-TL00M
P8 Lite
ALE-L01
ALE-L02
ALE-L21
ALE-L23
ALE-TL00
ALE-UL00
Honor 4c
CHM-CL00
CHM-TL00H
CHM-UL00
CHM-U01
G play mini
CHM-U01
CHC-U03
CHC-U23
G Play
G735-L03
G735-L23
Y6II
CAM-L03
CAM-L21
CAM-L23
Honor 5A
CAM-AL00
CAM-TL00H
CAM-TL00
CAM-UL00
CAM-L21
BUGS
Bluetooth
And minor bugs
HOW TO INSTALL LINEAGEOS
- Install any firmware MM for p8 lite or honor 4c
- Download the LineageOS zip(s). (see Downloads)
- Copy the LineageOS zip to internal sdcard.
- Unlock bootloader and install TWRP. (see Downloads)
- Boot into TWRP.
- Perform a backup of your current ROM. (Optional)
- IMPORTANT: Do a Factory Reset. (Wipe data & cache)
- Flash LineageOS.
- Optional: Install the Google Apps addon package. (see Downloads)
- Reboot
Click to expand...
Click to collapse
HOW TO INSTALL TWRP
- Allow oem unlock
- Power off
- Hold Volume down + Power for Fastboot mode
- fastboot boot twrp.img
- adb push twrp.img /sdcard/
- Choose "Install" and then "Install Image"
- Select twrp.img
- Select Partition "Recovery"
- Confirm Flash
- Reboot to recovery
Click to expand...
Click to collapse
DOWNLOADS
LineageOS14.1
removed
THANKS TO
@DanteFX™
@ROM-PacMe
Team-Panther
OpenKirin-Team
TEST
@flxtremo
@Jarabe GPM
@Loopeez
@p4ulc4stillo
And GPM LATAM Group
SUPPORT ME
I hope kindly your appreciation (button below :good: ) thank you vey much
So, to install it on my y6ii/gw, I have to install a p8 Lite firmware first? I didn't knew this was possible
ferpunk said:
So, to install it on my y6ii/gw, I have to install a p8 Lite firmware first? I didn't knew this was possible
Click to expand...
Click to collapse
Yes, install P8 Lite firmware
Honor 4C CHM-U01
Installation on Honor 4C fails in TWRP 3.1.0.0 aborted 7
It can be done just like installing any other firmware for my y6ii? Sorry but this is my first Huawei phone mad I want to know exactly what I'm doing
mishinev said:
Installation on Honor 4C fails in TWRP 3.1.0.0 aborted 7
Click to expand...
Click to collapse
Install any P8 Lite firmware or CAM firmware
ferpunk said:
It can be done just like installing any other firmware for my y6ii? Sorry but this is my first Huawei phone mad I want to know exactly what I'm doing
Click to expand...
Click to collapse
Not, unlock bootloader and install twrp, make a nandroid backup, make full wipes and flash this rom
DanteFX™ said:
Not, unlock bootloader and install twrp, make a nandroid backup, make full wipes and flash this rom
Click to expand...
Click to collapse
I mean to install the p8 Lite firmware, for this one it's everything clear also, you tell the other guy to install a CAM firmware, so it is possible from that one too?
ferpunk said:
I mean to install the p8 Lite firmware, for this one it's everything clear also, you tell the other guy to install a CAM firmware, so it is possible from that one too?
Click to expand...
Click to collapse
Ooh, sorry sorry, yes it's just like installing any other firmware
I have CHC-U01C432B503 (G Play Mini), what exactly do I have to do to install this firmware? I have bootloader unlocked, TWRP recovery installed. And also, if I want to revert back to my stock firmware will the Nandroid backup do it? Because I read on another forum that a Nandroid backup is of no use if I flash a custom ROM on my device.
The following text was copied from a Nandroid backup tutorial on CyanogenMod forum.
"CAUTION:
A nandroid backup will not be helpful if you are planning to migrate to a different ROM permanently. What I mean to say is, lets say you are flashing a Custom ROM which you already know that is stable and you can carry on using the new ROM then this nandroid backup will not be helpful. Instead you need to use Titanium Backup or Backup all data individually and then migrate all the data to the new ROM."
Hello, I'd appreciate it if you could add credits to the OpenKirin team, since I believe that you are using some of our work here.
Thanks!
XePeleato said:
Hello, I'd appreciate it if you could add credits to the OpenKirin team, since I believe that you are using some of our work here.
Thanks!
Click to expand...
Click to collapse
Yes!, If it is okay
When source code will be available?
Hi, could anyone give a picture of the Antutu Benchmark on the P8 Lite? Camera, HWC and 3D works?
Honor 4c still error 7 (i try cyanogen & honor 4c firmware mm).... huawei p8 lite cant install for my phone
DanteFX™ said:
Install any P8 Lite firmware or CAM firmware
Click to expand...
Click to collapse
Excelente ROM!
Muy buena ROM Dante, tiene unos fallos menores pero con un poco de tiempo y paciencia se pueden arreglar, felicidades por tu ROM Dante, se agradece! :good::good::good::highfive:
can't use sd card as external storage
DanteFX™ said:
Yes!, If it is okay
Click to expand...
Click to collapse
ROM is very Good....thanks to the creater but we have one main bug we cannot use SD card as external storage, only it can be used as portable storage
Glory 4x che2-Ul00 can not brush
Will be stuck in Huawei p8 youth version of the first screen, ask for a quick adaptation of the glory 4x, thank you!
What about CPU usage? Is that rom using only 1 core or more? Is camera and video playback working?
And if I have honor 4c CHM-U01 do i need to flash first p8 lite firmware?
@DanteFX™ Congratulations on the ROM. Well done. I want to try it on my Che2-L11, but one small question: What are the known bugs? Can you give some details? F.ex. what about dual sim? Video?
Grateful for help here as I am losing my mind! I'm a bit of a newbie and you can assume I HAVE NO IDEA WHAT I AM DOING.
My phone is stuck in boot loop after an update has seemingly gone bad. I don't know how to fix it but think the best course of action would be for me to flash it via odin using home_csc (does that sound like a good idea?).
However, I cannot for the life of me work out what firmware to flash it with and where to find it. I am based in the UK.
You can get the os officially from Sammobile.com.. it will be real slow to download but wait patiently..
sammobile
[Tool] Frija - Samsung firmware downloader/checker
[Tool] Frija - Samsung firmware downloader/checker
* * * PLEASE UNDERSTAND WHAT YOU ARE INSTALLING TO YOUR DEVICES AT ALL TIMES AND ME AND THE DEVELOPER ARE NOT RESPONSIBLE FOR ANY SORT OF DAMAGE TO YOUR DEVICE * * * Hey Guys :) Frija is a new tool (successor of now depreciated tool SamFirm)...
forum.xda-developers.com
Sorry- Im probably in the wrong area... Does lineage os work on most old android devices? I have an old HP Slate 21 - its a 21" all in one android machine that I got back in 2014. It runs Android 4. I am trying to update it to a newer operating system if possible. One of the apps I use requires at least android 5 and I saw Lineage OS 17.1 shows it works on this old HP Slate 21 on here:
How To Install Lineage OS 17.1 - HP Slate21 Slate 21 phobos - TweakDroid
Complete Guide [With Download Link] to Install Lineage OS 17.1 In HP Slate21 Slate 21 phobos. Let's Customize Your HP Slate21 Slate 21 phobos With Latest Lineage OS 17.1.
tweakdroid.com
I am not sure if that site is legit or just some kind of junk site.
from my experience, tweakdroid is just a junk site with no valid links or working tutorials
also, android lollipop is android 5
cyanogenmod android 5.1.1 (former name of lineageos):
[ROM] [UNOFFICIAL] [Phobos] Cyanogenmod 12.1 for the HP Slate 21
Cyanogenmod 12.1 for the HP Slate 21 (phobos) * * Your warranty is now void. * * I am not responsible for bricked devices, dead SD cards, * thermonuclear war, or you getting fired because the alarm app failed. Please * do some research if...
forum.xda-developers.com
note that its for the "phobos" model (apparently there is phobos and ranger), the same developer also has twrp for the device. make sure that your model is the phobos one.
android 5.1.1 isnt very recent tho, and considering that your device is running lollipop (android 5), its not even much of an update, and it probably also is buggy.
if your device is running android 4 (icecream sandwich), then it may be a good upgrade if you want more play store compatability. lineage will definitely be faster than whatever rom hp installs into the device, but it will have its fair share of bugs.
Thanks. We just use the HP Slate 21 in my office for 1 app (a digital sign in board called Frontdesk). This app we used stopped working over the weekend because of an SSL certificate issue. The developer is saying the app now requires a newer version of android to connect to its SSL server. I wish HP had put out a newer android version officially but I guess this Android all in one is super old now. Im currently on android 4.4.2 (kitkat , I mistakenly said lollipop before)
Oh, well i guess you could give this a go:
PhotonIce said:
cyanogenmod android 5.1.1 (former name of lineageos):
[ROM] [UNOFFICIAL] [Phobos] Cyanogenmod 12.1 for the HP Slate 21
Cyanogenmod 12.1 for the HP Slate 21 (phobos) * * Your warranty is now void. * * I am not responsible for bricked devices, dead SD cards, * thermonuclear war, or you getting fired because the alarm app failed. Please * do some research if...
forum.xda-developers.com
note that its for the "phobos" model (apparently there is phobos and ranger), the same developer also has twrp for the device. make sure that your model is the phobos one.
Click to expand...
Click to collapse
It's android 5.1.1 (Lollipop). Ask the dev if the app supports android 5 (it should), and make sure that you have the correct model. if all is good, give it a go. there'll be some bugs (e.g. camera or something like that), but at least you app will work!
johnwashere said:
Thanks. We just use the HP Slate 21 in my office for 1 app (a digital sign in board called Frontdesk). This app we used stopped working over the weekend because of an SSL certificate issue. The developer is saying the app now requires a newer version of android to connect to its SSL server. I wish HP had put out a newer android version officially but I guess this Android all in one is super old now. Im currently on android 4.4.2 (kitkat , I mistakenly said lollipop before)
Click to expand...
Click to collapse
If you're on android 4.4.2 KitKat u need to upgrade. u can't even play clash of clans on that device anymore since it requires at least lollipop or higher.
Yeah, most apps have dropped support for android kitkat, with android 5 and 6 (lollipop and marshmallow) being the bare minimums for compatability now. The upgrade is defo recommended, just be aware of the bugs accompanied by it, and try not to brick your device!
Hello everyone,
I tried to upgrade my Nord 2 (EU) device from Oxygen Updater and I downloaded 11_C.01 zip update file, but the instructions given from the app for local upgrade lead to nothing.
The apk that the app suggested can't be installed as my device runs Android 11 and recovery mode says that the version is older as the current (I have 11_A.21, how is it possible?).
So I want your help to update my device, thank you in advance!
You need to wait the new update for A12 which will have android security patch newer than 11_A.21. Or downgrade to 11_A.20 which have lower than 11_C.01. So will update without issues. The reason is that 11_A.21 is newer than 11_C.01.OnePlus development schedule....
Btw, DN2103_11_C.08 is available for some users.
roldev said:
You need to wait the new update for A12 which will have android security patch newer than 11_A.21. Or downgrade to 11_A.20 which have lower than 11_C.01. So will update without issues. The reason is that 11_A.21 is newer than 11_C.01.OnePlus development schedule....
Btw, DN2103_11_C.08 is available for some users.
Click to expand...
Click to collapse
thanks for this, i found the zip file i need ( https://androidfilehost.com/?fid=14655340768118466591 ), but i can't find a proper way to downgrade, only downgrade from 12 to 11 is available online. should i use the same method?
greg10 said:
thanks for this, i found the zip file i need ( https://androidfilehost.com/?fid=14655340768118466591 ), but i can't find a proper way to downgrade, only downgrade from 12 to 11 is available online. should i use the same method?
Click to expand...
Click to collapse
To downgrade from A.21 to A.20 you can use the excellent guide from @Raygen:
[STOCK][FULL-ROM] OxygenOS_11.3_A.20 EU DN2103 | Unbrick guide
/* * Your warranty is... still valid! * I am not responsible for bricked devices, dead SD cards, * thermonuclear war, or you getting fired because the alarm app failed. * Please do some research yourself before asking or use anything on this...
forum.xda-developers.com
Cheers.
greg10 said:
Hello everyone,
I tried to upgrade my Nord 2 (EU) device from Oxygen Updater and I downloaded 11_C.01 zip update file, but the instructions given from the app for local upgrade lead to nothing.
The apk that the app suggested can't be installed as my device runs Android 11 and recovery mode says that the version is older as the current (I have 11_A.21, how is it possible?).
So I want your help to update my device, thank you in advance!
Click to expand...
Click to collapse
Did you manage to downgrade?
I have a SM-S9180 device which supports the OEM unlocking feature. I have visited this page to research the methods to procure the stock firmware for the rooting process, but most of the download links were either duds or required registration. I shouldn't have to register on some shady site to get the firmware for my device. All I wanna do is root my phone so I can install Xposed modules. Just seems like a massive PITA for this series.
tworla said:
Just seems like a massive PITA for this series.
Click to expand...
Click to collapse
You've nailed Samsung's description when it comes to rooting their devices compared to other brands.....
As for getting firmware use frija, it's available here on XDA and GitHub too (I think)
[Tool] Frija - Samsung firmware downloader/checker
* * * PLEASE UNDERSTAND WHAT YOU ARE INSTALLING TO YOUR DEVICES AT ALL TIMES AND ME AND THE DEVELOPER ARE NOT RESPONSIBLE FOR ANY SORT OF DAMAGE TO YOUR DEVICE * * * Hey Guys :) Frija is a new tool (successor of now depreciated tool SamFirm)...
forum.xda-developers.com