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[ROM][UNOFFICIAL][8.1.0][tb8703f/x/r/n] LineageOS 15.1 for Lenovo TAB 3 8 plus P8

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Announcement from highwaystar_ru: Lineage 15.1 for Lenovo Tab 3 8 plus updated 26/09/2018


Code:
/*
 * I'm not responsible for bricked devices, dead SD cards, thermonuclear war, or you getting fired because the alarm app failed (like it did for me...). 
 * Please do some research if you have any concerns about features included in the products you find here 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. 
 * Your warranty will be void if you tamper with any part of your device / software.
 * Same statement for XDA.
 */

LineageOS is a free, community built, aftermarket firmware distribution of Android 8 (oreo), 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.

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.


What works:
Calls/SMS/Mobile data
Wifi
Bluetooth
GPS
Camera
Audio
FM radio
Torchlight
USB and WLAN tethering

Broken
You tell me

Source code:
device : https://github.com/HighwayStar/andro...e/lineage-15.1
kernel: https://github.com/HighwayStar/andro...ge-15.1-common
vendor: https://github.com/HighwayStar/andro...e/lineage-15.1

2018-09-26
  • Updated audio configs
  • Updated mount options for /data partition, should increase performance and prolong flash life
  • Added missing powerhint.xml, should improve powersave in idle mode and more performance in demanding apps.
mailru: lineage-15.1-20180926-UNOFFICIAL-TB8703.zip
gdrive: lineage-15.1-20180926-UNOFFICIAL-TB8703.zip

Previous versions:
2018-08-26
  • Updated kernel
  • Added support for exfat sd cards
mailru: lineage-15.1-20180826-UNOFFICIAL-TB8703.zip
gdrive: lineage-15.1-20180826-UNOFFICIAL-TB8703.zip

2018-08-25
  • Fixed long time to wakeup screen
mailru: lineage-15.1-20180825-UNOFFICIAL-TB8703.zip
gdrive: lineage-15.1-20180825-UNOFFICIAL-TB8703.zip

2018-08-24
  • Fixed system crash when using WiFi hotspot mode
  • Updated Lineage code
mailru: lineage-15.1-20180824-UNOFFICIAL-TB8703.zip
gdrive: lineage-15.1-20180824-UNOFFICIAL-TB8703.zip

2018-08-18
  • Fixed MAC and long time to enable Wifi
  • Fixed MAC and long time to enable Bluetooth
  • Fixed calling with BT headset
  • Fixed Buttons settings
  • Partially fixed LED
mailru: lineage-15.1-20180818-UNOFFICIAL-TB8703.zip
gdrive: lineage-15.1-20180818-UNOFFICIAL-TB8703.zip
2018-08-16
  • Initial release
  • Full sources published
mailru: lineage-15.1-20180816-UNOFFICIAL-TB8703.zip
gdrive: lineage-15.1-20180816-UNOFFICIAL-TB8703.zip

How to install
To install this you have to install TWRP using by QFIL utility, follow this instruction: https://forum.xda-developers.com/gen...2/post76277192

Special TWRP build
To install and boot any custom roms and to boot it after installing mods that change boot partitition like Magisk please use this TWRP:
2018-08-25
  • Fixed long time to wakeup screen in TWRP
  • Added NTFS filesystem for sdcards
mailru: twrp-tb8703-3.2.1-20180825-bootsign.img
gdrive: twrp-tb8703-3.2.1-20180825-bootsign.img

Previous version
[*] Первая версия
mailru: twrp-tb8703-3.2.1-bootsign.img
gdrive: twrp-tb8703-3.2.1-bootsign.img

This TWRP build has special function Sign boot which you have to click after install new version of ROM or mod like Magisk. It will append stock boot signature to your boot partition. This allows to boot with locked bootloader.
TWRP with Boot Sign function screenshots:

Fortunately you dont need to unlock bootloader, because not every Lenovo tab can be unlocked. Custom kernel and ROM can be runned by appending boot.sig signature extracted from stock rom to boot.img like
Code:
cat boot.img boot.sig > boot-signed.img
It still cant be loaded by fastboot, but you always can flash it from TWRP. You can get boot.sig in my repo https://github.com/HighwayStar/andro.../root/boot.sig

XDA:DevDB Information
[ROM][UNOFFICIAL][8.1.0][tb8703f/x/r/n] LineageOS 15.1 for Lenovo TAB 3 8 plus P8, ROM for the Lenovo Thinkpad Tablet

Contributors
highwaystar_ru
Source Code: https://github.com/HighwayStar/andro...ge-15.1-common

ROM OS Version: 8.x Oreo
ROM Kernel: Linux 3.10.x
Based On: LineageOs

Version Information
Status: Testing

Created 2018-08-16
Last Updated 2018-09-26
The Following 33 Users Say Thank You to highwaystar_ru For This Useful Post: [ View ] Gift highwaystar_ru Ad-Free
16th August 2018, 07:19 PM |#2  
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You're rock, thanks. If you give for us custom kernel with overclock, the community will aprecciate. Thanks Sir for your hard work here.

---------- Post added at 02:19 PM ---------- Previous post was at 02:17 PM ----------

One bug I found on LOS 14.1, please look at topic from LOS 14.1, and you will see.
16th August 2018, 08:18 PM |#3  
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8703F
Hotspot doesn't work. I can turn it on but my computer and phone don't see the network; if I turn it on-off-on it causes the tablet to crash into a soft restart. It will then show 'Error'. There is no 5GHZ option when creating a hotspot. I posted this in the other thread aswell.
System/Buttons/Show arrow keys while typing doesn't work in landscape mode. They will appear in the middle of the navigation bar on top of the circle and will make the nav bar unusable.
I don't know if this is a feature, but in landscape mode if I swipe from the right end of the screen towards the center the status bar drops down.
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17th August 2018, 04:38 AM |#4  
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boom! Legend! Thankyou SO much!
17th August 2018, 04:28 PM |#5  
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@highwaystar_ru has twrp been updated in OP?

I have twrp-tb8703-3.2.1-bootsign.img and cannot mount SD card
17th August 2018, 04:43 PM |#6  
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Awesome! Can't wait to flash this, gonna be so much better than Lenovo's bloatstock (and more up to date than my phone's LineageOS, to boot)
18th August 2018, 06:44 AM |#7  
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Lineage 15.1 updated
2018-08-18
  • Fixed MAC and long time to enable Wifi
  • Fixed MAC and long time to enable Bluetooth
  • Fixed calling with BT headset
  • Fixed Buttons settings
  • Partially fixed LED
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18th August 2018, 09:09 AM |#8  
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Awesome! Thanks for the great effort!
LOS15.1 works perfectly (18/8 version)

The only problem which I can find is gapp camera's shutter button shift down to the home button bar, half of the shutter button is hided.
18th August 2018, 09:18 AM |#9  
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I get
"updater process ended with ERROR: 7
Error installing zip file "xxxxxxxxxx"

I was coming from the your 14.1 ROM - latest update from August. did a full wipe beforehand... made no difference.

Tried to dowload the file from both g-drive and mailru .. same result..

any ideas?
18th August 2018, 01:15 PM |#10  
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Quote:
Originally Posted by lu99ke

I get
"updater process ended with ERROR: 7
Error installing zip file "xxxxxxxxxx"

I was coming from the your 14.1 ROM - latest update from August. did a full wipe beforehand... made no difference.

Tried to dowload the file from both g-drive and mailru .. same result..

any ideas?

post /tmp/recovery.log
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18th August 2018, 05:58 PM |#11  
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@lu99ke
sign boot from twrp
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