Question Twrp for sm g887n

HI, welcome to AC!
Have you checked the TWRP website?
Yes,I am building the device tree and twrp for hours and always get bootloop just like a guy on xda (we tried every build script) even tried signing and patch the vbmeta but just stuck on bootloader image with a Korea text
It's a Korea phone btw
 
Twrp is not that necessary to flash gsi
I tried packing the gsi with the firmware and flash, it stuck at the Google logo
Even tried patching the fastbood in the kernel but it's so fragile that I broke the entire image
Is there any ways to flash a gsi image?
 
I'm not sure about gsi and building device tree.

All I can help with is if want use TWRP recovery it should be for that device , I used TWRP back in the day to flash custom ROM or packages and that's about it . XDA would be the place to get more information about what you're looking for, one thing that is a little odd that you mentioned it boots to Google logo ? I never seen that on a Samsung.

If all goes wrong just use Odin to flash your stock firmware with Frija firmware tool and start over
 
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I'm not sure about gsi and building device tree.

All I can help with is if want use TWRP recovery it should be for that device , I used TWRP back in the day to flash custom ROM or packages and that's about it . XDA would be the place to get more information about what you're looking for, one thing that is a little odd that you mentioned it boots to Google logo ? I never seen that on a Samsung.

If all goes wrong just use Odin to flash your stock firmware with Frija firmware tool and start over
Nah I packed the gsi together with the firmware and it bootlooped at Google logo another thing is I can't flash dm verity or some zips
 

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