[ROM][8.1][ LOS 15.1 ( EOL ) For Huawei MediaPad M3 8.4 ][Update 05/01/2022]
- Thread starter surdu_petru
- Start date
it seems that you have a Japanese device, this problem has been discussed here before, if you read the older posts you will surely find a solution to the problem
Hello, i recently install this ROM on my BTV-L0J, i thing i noticed the charging speed is so slow ? is it common thing in this ROM ? Thank you...
edit, from 40% to 100% it needs about 3 - 4 hrs, using 'Ampere' app it only show measure charging 400-500 mAh, while other normal huawei tab with the same charger measured around 2.300-2.980 mAh (2h 40min from 20 to 100%)
edit, from 40% to 100% it needs about 3 - 4 hrs, using 'Ampere' app it only show measure charging 400-500 mAh, while other normal huawei tab with the same charger measured around 2.300-2.980 mAh (2h 40min from 20 to 100%)
Last edited:
Hello,
I have a BTV-W09 and have so far had no problems with Los 17.1.
But now I want to go back to Los 15.1, I also followed the instruction exactly, but after the restart after the installation, only the circles of the start animation appear. After 10 minutes I always broke off and played everything again, the same result.
Everything is correct, I installed the 'old' TWRP 3.3.1.0, format data, factory reset, clear vendor + system, install los15, flash boot for W09.
Where could be the problem?
I have a BTV-W09 and have so far had no problems with Los 17.1.
But now I want to go back to Los 15.1, I also followed the instruction exactly, but after the restart after the installation, only the circles of the start animation appear. After 10 minutes I always broke off and played everything again, the same result.
Everything is correct, I installed the 'old' TWRP 3.3.1.0, format data, factory reset, clear vendor + system, install los15, flash boot for W09.
Where could be the problem?
Last edited:
I can try to look into logcat if your device will start it ... you can try to do this command on your PC while your device start booting into LOS 15.1 ( USB cable must be attached)
adb logcat > log.txt
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Android 8.1 is coming on your Huawei MediaPad M3 8.4, Kirin 950 SoC with the LineageOS 15.1 !
In October 2021 this ROM reached the end of life ( EOL )
Devices Supported :
Huawei MediaPad M3 8.4 :
BTV-DL09; BTV-L0J; BTV-W09
About LineageOS :
LineageOS 15.1 is a free, community built, aftermarket firmware distribution of Android 10 (Q), which is designed to increase performance and reliability over stock Android for your device.
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.
* Your warranty is now void.
*
* We are 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 us for messing up your device, we will laugh at you.
*
Warning !
Installing a custom ROM on your device can sometimes be difficult and also with unwanted consequences! Therefore, make sure that you understand exactly what risks this operation entails - you are the only one responsible for all actions taken on your device.
Downloads ( EOL ):
LineageOS-15.1-BTV_2022-01-05.zip md5: 4b424433f7b746d9abad7c5adfec07a1
Only for BTV-W09 :
boot_w09_oreo_2022-01-05.img md5: f33b2ba35cbfb67b62b28b771bdff240
This ROM do not include GApps
please use always the last available pack :
OpenGApps for Android 8.1 ARM64
recommended to use nano or pico version
Instructions :
1. install the New TWRP 3.3.1-0 ( please check the second post )
2. format data in TWRP & reboot device into twrp to be able to use data !
3. go to Wipe -> Swipe to Factory Reset
4. wipe Vendor & System partitions
5. copy LOS-15.1 ROM & GApps to Internal/External Storage
6. go to Install -> check the LOS zip file
7. Add more Zips
8. check GApps zip file
9. Swipe to confirm Flash
10. Wait a bit until you'll see : "
- Installation complete!
- Unmounting partitions
Updating partitions details ...
... done
11. Wipe Cache/Dalvik -> Swipe to Wipe
12. If your device it's BTV-W09 please install now boot_w09_oreo_xxx.img
( Install -> Install Image -> choose "boot_w09_oreo_xxx.img" -> Select Partition to Flash Image: Boot )
13. Reboot System
14. Enjoy!
What's working :
* Touchscreen
* Audio & Video
* Wi-Fi
* Bluetooth
* GPS
* Lights
* Notification light
* Sensors
* Internal/External Storage
* ADB/MTP & USB/OTG
* Off-mode Charging
* RIL & LTE data connection
* HWComposer
* Camera
* DRM enabled ( the same Level L3 like on Stock EMUI Firmware )
* Fingerprint scanner
* Hardware Video Decoder
Not working :
* SELinux Disabled; ( won't be enabled anytime soon )
* Encryption; ( won't be fixed anytime soon )
* Cast - not working
* there may be others minor issues like camera not fully working and so on
Credits :
LineageOS Team
Source :
kernel: android_kernel_huawei_btv Branch: oreo !
Screenshots :
Contributors
surdu_petru
Paypal Donation : paypal.me/petrusurdu1
Source Code: https://github.com/Huawei-Dev?tab=repositories
ROM OS Version: Android 8.1/Oreo
ROM Kernel: Linux 4.4.x
ROM Firmware Required: Stock Android N - EMUI 5.x
Based On: LineageOS
Version Information
Status: Stable
Project Status
EOL
Created 2020-04-19
Last Updated 2022-01-0514New Update LOS 15.1 !
Hello !
There is a new update of LineageOS 15.1 for our device ... like always, please check OP for downloads !
Changelog:
- update security patch to : January 5, 2021
- kernel updated to 4.4.130
- fixed microSD format issues
- partially fixed Hardware video decoder by using Huawei video codecs
- set default cfq ioscheduler instead raw
11The new kernel 4.4.0 it's coming soon !
Hi !
I was able to successfully update the kernel from stock 4.1.18 to 4.4.0 without to break anything !
Currently the kernel is on 4.3.0 but there are very few patches ( I think around 1000 new patches need to be added to the over 14,000 already added ) left to add up to 4.4.0, so I allowed myself to do a simulation for 4.4.0 to see if our device really boots with this new version !
I hope that in a week we will have here the new update with the new security patch for August and with the new kernel 4.4.0.
Later the kernel must be updated to 4.4.227, which is the latest version today
11Hi !
After almost 2 weeks I managed to pass the wifi kernel issues, and now I can continue update my kernel to Linux kernel 4.4 Android Oreo .
Next release/update of LOS 15.1 with the new kernel in a few days along with a new security patch for July 5, 202010TWRP 3.3.1-0
TWRP 3.3.1-0
You need this new TWRP in order to flash Lineage OS 15.1 !
Must be installed only on Android N EMUI 5.x
Working on all Huawei MediaPad M3 8.4 with Android N EMUI 5.x !
Download :
twrp-3.3.1-0.img md5: 984779bc7af812eb1b3e67e197732dbc
Installation :
You need to FORMAT Data in order to decrypt /data, you need this step because LineageOS 15.1 do not have implemented right now encryption/decryption support !
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