[ROM][UNOFFICIAL][7.1.2][tb8704f/x/v] LineageOS 14.1 for Lenovo TAB4 8 plus

[highwaystar_ru]

Here is Lineage 16.0 update https://xdaforums.com/thinkpad-tablet/development/rom-lineageos-16-0-lenovo-tab4-8-plus-t3950430

 

[narenjeen]

Thank very much dev....love to c u on tab 4 8plus...really gud...
Superb ROM.
Here is my
Ghost touch is the biggest problem after every stock update.
Now installing after u r great custom ROM ..
Got rid of these ghost touch.
U r fix is absolutely worked form me.
U r a great dev.

 

[TimeTomorrow]

.

Any hope of getting this working on an 8704V? Just bootloops at lenovo screen. If you don't have the time/interest to fix it, if it's grunt that doesn't require much talent, I can do a new build if you already more or less know what the fix might be, or try builds for you on a V.

 

[highwaystar_ru]

Update:
2020-01-02

• Fixed issue with OTG
• Enabled kernel config CONFIG_IP_NF_TARGET_TTL (needed for tethering with some operators)
• Updated Lineage code

Links to download in first post

 

[highwaystar_ru]

Any hope of getting this working on an 8704V? Just bootloops at lenovo screen. If you don't have the time/interest to fix it, if it's grunt that doesn't require much talent, I can do a new build if you already more or less know what the fix might be, or try builds for you on a V.

Please try this test boot boot-tb8704v-test.img flashed over latest lineage 14.1 build, please try to take logs if possible via adb logcat and adb shell dmesg

 

[freezed23]

i`m try flash ot. but boot loop

Please try this test boot flashed over latest lineage 14.1 build, please try to take logs if possible via adb logcat and adb shell dmesg

my 8704v flash test.img.

but boot loop.

 

[highwaystar_ru]

my 8704v flash test.img.

but boot loop.

If you still here or anyone with tb8704v please try this boot.img https://cloud.mail.ru/public/38mR/4SQTgs6LW
It has lineage oss kernel and prebuilt dtb code from stock, if this will boot I know how to fix in general.

 

[freezed23]

thanks ro highway_ru!

If you still here or anyone with tb8704v please try this boot.img https://cloud.mail.ru/public/38mR/4SQTgs6LW
It has lineage oss kernel and prebuilt dtb code from stock, if this will boot I know how to fix in general.

i`m try flash boot img lineage 14.1.

boot ok. thank to highway_ru!!

 

[highwaystar_ru]

i`m try flash boot img lineage 14.1.

boot ok. thank to highway_ru!!

Great, I have finish sources to able to build it inline and build lineage 16.0. Could you also check if sound and cameras working on lienage 14.1 with that test boot?

 

[freezed23]

yep perfect work.

Great, I have finish sources to able to build it inline and build lineage 16.0. Could you also check if sound and cameras working on lienage 14.1 with that test boot?

i test all sensor , camera, sound.

did it perfect work.

 

[highwaystar_ru]

i test all sensor , camera, sound.

did it perfect work.

Thank you for test, I will fix sources to be able to build inline and ask you for test again in next couple of days.

 

[freezed23]

ok ^^

Thank you for test, I will fix sources to be able to build inline and ask you for test again in next couple of days.

thanks very much..:good:

 

[jcthrower]

Thank you for test, I will fix sources to be able to build inline and ask you for test again in next couple of days.

I just flashed this on my 8704v with your modified boot file and it worked! thanks so much for developing this. I am willing to test 16.1 whenever you want to send my way!

 

[highwaystar_ru]

thanks very much..:good:

I just flashed this on my 8704v with your modified boot file and it worked! thanks so much for developing this. I am willing to test 16.1 whenever you want to send my way!

Please try this boot boot-los14.1-tb8704v-test20200316.img with Lineage 14.1, it same as previous, but dts code built from source, instead of placing stock one as posted above. If this works well it is one step from lineage 16.0 for tb8704v

 

[freezed23]

yep perfect work.

Please try this boot boot-los14.1-tb8704v-test20200316.img with Lineage 14.1, it same as previous, but dts code built from source, instead of placing stock one as posted above. If this works well it is one step from lineage 16.0 for tb8704v

i`m try flasht it.

work perfect.

wifi, lte.. more perfect work!!

thanks highwaystar_ru.

 

[highwaystar_ru]

i`m try flasht it.

work perfect.

wifi, lte.. more perfect work!!

thanks highwaystar_ru.

Please check cameras and sound. I will try to build boot.img for 16.0 soon

 

[freezed23]

perfect work.

Please check cameras and sound. I will try to build boot.img for 16.0 soon

check camera perfect. no error

sound. perfect.

all sensor good work.

 

[Sage]

thanks again for this rls works very well!

 

[Sage]

Great release though tablet never goes to sleep. Battery life drain is very poor. Battery settings says it's LineageOS System is preventing sleep.

drainage is all Device Awake (Screen off).

Pity.. i liked this ROM.

 

[Sage]

did some investigating number 1 kernel wakelock is Event3 which is related to sx9310 Cap Touch.

Appears to be this:

https://www.semtech.com/products/smart-sensing/sar-sensors/sx9310

/edit deleted the Event3 file in Root\Dev\Input
@highwaystar_ru Problem fixed. Device now goes into deep sleep as it should.