Cannot unmount partitions/reread partition table on Galaxy S5 G900F (klte)

[Lanchon]

it has been reported that TWRP builds for klte do something strange and stop REPIT from locking the eMMC device. that, or the reporter's phone is encrypted.

see details here.

[Lanchon]

WARNING !!! WARNING !!! WARNING !!!

in view of recent events, and taking into account that this device is Qualcomm-based, the possibility of hard-bricking by repartitioning cannot be ruled out.

potential testers proceed at your own peril.

[Lanchon]

suspicious strings found in bootloader:

$ strings aboot.mbn | grep -i gpt | grep -i sign

GPT: (WARNING) Primary signature invalid
GPT: Primary and backup signatures invalid
GPT: Primary signature invalid cannot write GPT
GPT: Backup signature invalid cannot write GPT

device assumed to use GPT signature checking. retiring build.