[ROM][UNOFFICIAL][10.0][tbx304f/l/x] LineageOS 17.1 for Lenovo TAB4 8, ROM for the Lenovo Thinkpad Tablet

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Rainberry

Member
Jun 9, 2021
27
0
ravenchaser210 said:
it's locked..., btw I am on tb-x304f, android 8.1, any kind of assistance would be great.
Click to expand...
Click to collapse
well then hold up i hava a solution for ya...do this and you will get it..
forum.xda-developers.com

[GUIDE] Unlock bootloader of Lenovo Tab 4 10 with OEM unlock "greyed out" (TB-X304F/L and other Qcom tablets)

WARNING: DO THIS AT YOUR OWN RISK !!!! I AM NOT RESPONSIBLE IF YOU START CRYING INTO YOUR BRICKED TABLET This guide is only for devices with "OEM Unlocking" option greyed out !!! Others can follow the simpler procedure mentioned in the TWRP...
forum.xda-developers.com forum.xda-developers.com
 
R

ravenchaser210

Member
Jan 2, 2015
39
4
Rainberry said:
well then hold up i hava a solution for ya...do this and you will get it..
forum.xda-developers.com

[GUIDE] Unlock bootloader of Lenovo Tab 4 10 with OEM unlock "greyed out" (TB-X304F/L and other Qcom tablets)

WARNING: DO THIS AT YOUR OWN RISK !!!! I AM NOT RESPONSIBLE IF YOU START CRYING INTO YOUR BRICKED TABLET This guide is only for devices with "OEM Unlocking" option greyed out !!! Others can follow the simpler procedure mentioned in the TWRP...
forum.xda-developers.com forum.xda-developers.com
Click to expand...
Click to collapse
thx, just tried that and it work on my tb-x304F, but now rom doesn't, stuck at loading screen... Gonna try 16 later and see...

edit: 16 doesn't work here from here, https://forum.xda-developers.com/t/...-x-lineageos-16-0-for-lenovo-tab4-10.4199623/

the log said it's targeted for L version, so after flashing, it said OS not found for 304F version.

even this 17.1 version said it's for X304L, guessing that's why it stuck at loading screen.
 
Last edited:
R

Rainberry

Member
Jun 9, 2021
27
0
ravenchaser210 said:
thx, just tried that and it work on my tb-x304F, but now rom doesn't, stuck at loading screen... Gonna try 16 later and see...

edit: 16 doesn't work here from here, https://forum.xda-developers.com/t/...-x-lineageos-16-0-for-lenovo-tab4-10.4199623/

the log said it's targeted for L version, so after flashing, it said OS not found for 304F version.

even this 17.1 version said it's for X304L, guessing that's why it stuck at loading screen.
Click to expand...
Click to collapse
Well yeah this rom only for tb x304l but there are roms for tb x304f too you can check them out.
 
R

ravenchaser210

Member
Jan 2, 2015
39
4
Rainberry said:
Well yeah this rom only for tb x304l but there are roms for tb x304f too you can check them out
Click to expand...
Click to collapse
There is? I searched through pretty much all the threads, all labeled as f/l/x, can't seem to find one that works yet Now I am stucking with a tablet with twrp recovery and no working rom to use. Going back to stock, seems wayyy more work...

edit: Holy, I can't believe this actually works in the end... what a ride.

So, affterrrr going back to the stock rom, version 7.1.1 from another thread, the OEM unlock button actually NOT grey out anymore. (Guessing the 8.1 actually greyed out your oem unlock button). Unlocking the bootloader is only matter of a single command > fastboot oem unlock-go.

So I was like might as well give this v17.1 another try, flash twrp 3.4.0-120408 (updated version I think, latest one I can find) > wipe, reboot recovery > flash rom > reboot > and it works!! Not stucking at the loading screen anymore, yay!!!? Then, bluetooth is crashing as soon as I get the past the loading screen. Finally went back to v16, and everything works so far....and flash the 17 again after 16, and bluetooth issue is fixed, everything works nicely!
 
Last edited:
nAsir@Zia

[email protected]

Member
Jul 25, 2019
11
1
D

dieselmech_pt

New member
Sep 16, 2021
2
1
Hi all, I'm having trouble flashing my tb-x304l with either the 16 or 17 OS linage file.
I can unlock the bootloader and go through the install procedure as detailed in this thread, but when the tablet reboots all I get is a unhappy smile with a circle moving from one side to the other. My tablet is running Android 8, I've tried downgrading to 7, but that fails to boot and just keeps rebooting to the orange Lenovo screen. I've even tried to install Twrp onto the tablet, but that makes the tablet freeze when trying to recover the stock Rom. I usually have to load the stock rom with QFIL because the lenovo software won't recover the tablet, Just complains about the wrong firmware installed. Any help would be greatly appreciated.
 
CaliTexan5

CaliTexan5

Member
Mar 26, 2012
36
2
47
Alameda, CA (SF East Bay)
Google Pixel 4a
Good evening, all! I currently have the Lenovo TB-X505F and the Lenovo TB-8504F. Can this ROM be installed on either tablet? If not, does anyone know of any custom ROMS for these 2 tablets? I've had them for about a year now and haven't really been able to find much for them. Thanks!
 
G

Geko4501

New member
Nov 1, 2015
3
0
Flashed this ROM and it's working great! But I noticed there was no FM Radio app after the upgrade. Has anyone gotten the radio to work? Do I need to sideload the APK? And if so, does anyone have it handy for download?
 
Y

[email protected]

New member
Dec 24, 2021
2
0
ravenchaser210 said:
There is? I searched through pretty much all the threads, all labeled as f/l/x, can't seem to find one that works yet Now I am stucking with a tablet with twrp recovery and no working rom to use. Going back to stock, seems wayyy more work...

edit: Holy, I can't believe this actually works in the end... what a ride.

So, affterrrr going back to the stock rom, version 7.1.1 from another thread, the OEM unlock button actually NOT grey out anymore. (Guessing the 8.1 actually greyed out your oem unlock button). Unlocking the bootloader is only matter of a single command > fastboot oem unlock-go.

So I was like might as well give this v17.1 another try, flash twrp 3.4.0-120408 (updated version I think, latest one I can find) > wipe, reboot recovery > flash rom > reboot > and it works!! Not stucking at the loading screen anymore, yay!!!? Then, bluetooth is crashing as soon as I get the past the loading screen. Finally went back to v16, and everything works so far....and flash the 17 again after 16, and bluetooth issue is fixed, everything works nicely!
Click to expand...
Click to collapse
Can you plz tell how did you flashed the 7.1.1 stock rom. It will be a huge help for me.
 
T

tek3195

Senior Member
Aug 19, 2017
692
248
52
Panama City FL.
Samsung Galaxy Tab S2
Huawei Mediapad M3
[email protected] said:
Can you plz tell how did you flashed the 7.1.1 stock rom. It will be a huge help for me.
Click to expand...
Click to collapse
qdl is what I had to use for my x304f. For these tablets you have to use emmc for file system in command instead of ufs. I couldn't get QFIL to work as it would lose my device half way through flashing. It would say device was no longer on port COM?? but device manager still showed it the same.
Try it, qdl is really easy to set up and use if you go by the linked guide.
 
R

ravenchaser210

Member
Jan 2, 2015
39
4
tek3195 said:
qdl is what I had to use for my x304f. For these tablets you have to use emmc for file system in command instead of ufs. I couldn't get QFIL to work as it would lose my device half way through flashing. It would say device was no longer on port COM?? but device manager still showed it the same.
Try it, qdl is really easy to set up and use if you go by the linked guide.
Click to expand...
Click to collapse
You have to boot into EDL mode for that to work, do some googling just incase, so that you don't make a mistake and brick your device.
 
T

tek3195

Senior Member
Aug 19, 2017
692
248
52
Panama City FL.
Samsung Galaxy Tab S2
Huawei Mediapad M3
ravenchaser210 said:
You have to boot into EDL mode for that to work, do some googling just incase, so that you don't make a mistake and brick your device.
Click to expand...
Click to collapse
vol- and vol+ while connecting to PC provided the device is powered off, or while connected hold pwr, vol- vol+ so it will power cycle then connect. Run
Code: 
lsusb
to check for qualcomm 9008 mode, if it boots into 9008 mode you're good to go.
 
C

c.j.fournier

New member
Jan 23, 2014
3
0
Probably silly to ask, but the title has me second guessing: Could this ROM apply to original thinkpad, that was based on the Tegra?

I see someone built a marshmallow-based load for the asus tf101, so it doesn't seem a stretch anymore...
 
D

djdancer94

New member
Jan 4, 2019
3
0
I am stuck at the boot animation of lineage os. I tried to flash the os multiple times but it won't works for me.
 
D

djdancer94

New member
Jan 4, 2019
3
0
Finally now it working but WI-FI not working. I turn it on but instantly shuting down.
Sorry for double post. I can't delete my previous post.
 
Last edited:
aru982

aru982

New member
Mar 25, 2015
2
0
Please help

Stuck in boot loop

I successfully flashed the zip using TWRP but unfortunately its not moving further from the boot logo.
 
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    highwaystar_ru
    http%3A%2F%2Ffiles.paulfasola.fr%2FCyanogenMod%2FLineageOS.png


    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 9 (pie), 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
    WLAN and USB tethering
    Broken
    You tell me

    Source code:
    device : https://github.com/lenovo-devs/android_device_lenovo_TBX304, https://github.com/lenovo-devs/android_device_lenovo_tb-common/tree/lineage-17.1-msm8937
    kernel: https://github.com/lenovo-devs/android_kernel_lenovo_msm8953/tree/lineage-17.1-tbx304
    vendor: https://github.com/lenovo-devs/proprietary_vendor_lenovo/tree/lineage-17.1-msm8937

    2021-04-08
    • Initial release
    • Fixed fast charger and OTG
    • Fixed touchscreen issues
    mailru: lineage-17.1-20210408-UNOFFICIAL-TBX304.zip
    gdrive: lineage-17.1-20210408-UNOFFICIAL-TBX304.zip

    Previous versions:




    How to install
    You have to had TWRP installed from this thread TWRP and ROOT for Tab 4 8/10 (Plus) (TB-8704X/F/V,TB-X704L/F, TB-8504X/F, TB-X304L/F or one from link below

    In TWRP clean Data if you coming from stock ROM and do Install of this ROM. If you have android 8 stock rom installed you have to format Data with data loss, because used encryption is incompatible with android 7.1

    TWRP
    Built from omnirom android 9.0 source (twrp 3.4.0), includes same kernel as Lineage build, with support for pstore (kernel logs after crash), exfat, ntfs, reboot to EDL mode.
    mailru: tbx304-twrp-3.4.0-20201207.img
    gdrive: tbx304-twrp-3.4.0-20201207.img

    XDA:DevDB Information
    [ROM][UNOFFICIAL][10.0][tbx304f/l/x] LineageOS 17.1 for Lenovo TAB4 8, ROM for the Lenovo Thinkpad Tablet

    Contributors
    highwaystar_ru
    Source Code: https://github.com/lenovo-devs/android_kernel_lenovo_msm8953/tree/lineage-17.1-tbx304

    ROM OS Version: 10.x
    ROM Kernel: Linux 3.10.x
    Based On: LineageOs

    Version Information
    Status:     Testing
    View
    4
    ahecht
    ahecht
    I can't get it to flash. TWRP has been sitting for hours at:

    Unmounting System... Target: Lenovo/LenovoTB-X304:/X304L:8.1.0/0PM1.171019029/S001017_190709_ROW:user/release-keys

    EDIT: Fixed by flashing TWRP instead of just booting it. The steps I followed were:

    1. Install the Lenovo Driver from here
    2. Install fastboot and adb on your PC, e.g. from here
    3. Enable developer options and in there select to unlock your bootloader by enabling OEM unlock and enable USB debugging
    4. Connect your PC to your tablet and run
      Code: 
      adb reboot bootloader
      using adb on command line. The tablet will reboot into bootloader mode where you will only see the text on the screen. Now you use
      Code: 
      fastboot oem unlock-go
      to unlock. This will factory reset your device
    5. Setup the tablet again, enable USB debugging, and reboot again to the bootloader
    6. Download tbx304-twrp-3.4.0-20201207.img (TWRP) from the OP
    7. Then run
      Code: 
      fastboot boot tbx304-twrp-3.4.0-20201207.img
      to temporarily boot into TWRP.
    8. Select to keep system read only when TWRP starts to avoid modification which will make OTAs impossible
    9. In TWRP, go to WIPE, click on "Format Data" in the lower right, and follow the instructions.
    10. Go back to the TWRP home screen, choose "Reboot", and click "Recovery"
    11. In TWRP, go to the Backup tab, and backup the boot, recovery, and system image. Keep this backup for OTA updates.
    12. Go back to the TWRP home screen, hit the reboot button in TWRP, and choose "Bootloader".
    13. Then run
      Code: 
      fastboot flash recovery tbx304-twrp-3.4.0-20201207.img
      to permanently install TWRP.
    14. Once installed, press the volume button until it says "Recovery Mode" in red letters on the top, then hit the power button to boot back into TWRP.
    15. Load the LineageOS zip file from your computer onto the tabled by using
      Code: 
      adb push [NAME_OF_LINEAGE_ZIP_FILE] /sdcard/
      . If you are going to install gapps (Google Play Store, etc.), download it from here and push it to the tablet the same way
    16. From the TWRP home screen, go to Install and install the LineageOS zip file. Once that is completed, repeat the process to install gapps, if you're using them.
    17. Select the option to reboot. If everything worked correctly, it should boot into LineageOS.
    View
    1
    P
    Poodlemastah
    Does this work on the tab4 10??
    View
    1
    H
    hk96
    Aphixy said:
    This says tab4 8... Does this work for the tab4 10 model tb-x304f ?
    Click to expand...
    Click to collapse
    Maybe it's a typo...
    I am using this on x304f (wifi only) tab. It's smooth and stable
    View
    1
    NightCode7
    NightCode7
    TNTS said:
    Thanks for the great ROM! It works well on my Tab 4 10 X304L. The only thing I have trouble with is that I can't get safetynet to pass and Netflix can't be installed. Otherwise, it's running pretty well.
    Click to expand...
    Click to collapse
    Solve Safetynet issue:
    1. Enable MagiskHide in the options of the Magisk
    2. Install MagiskHide Props
    3. After install MagiskHide and reboot
    4. Install any terminal emulator from the PlayStore/F-Droid
    5. Open termux and write the following commands

    su > allow su permission

    props > wait for loading

    Select 1

    Select f

    Select Lenovo

    Select Lenovo Tab 4 10 Plus TB-X704L (7.1.1)

    Confirm and reboot
    View

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