hi xunholyx
I found this link
https://androidfilehost.com/?fid=962021903579495285 ( 0P6BIMG_6.20.502.5_RUU.zip )
Can I use the procedure #2 to upgrade the firmware to 3.19?
My phone is S-ON, Unlocked
(bootloader) version: 0.5
(bootloader) version-bootloader: 3.18.0.0000
(bootloader) version-baseband: 1.19.213311491.A22G
(bootloader) version-cpld: None
(bootloader) version-microp: None
(bootloader) version-main: 2.23.502.3
(bootloader) version-misc: PVT SHIP S-ON
(bootloader) serialno: XXX
(bootloader) imei: XXX
(bootloader) imei2: Not Support
(bootloader) meid: 00000000000000
(bootloader) product: m8_ul_ca
(bootloader) platform: hTCBmsm8974
(bootloader) modelid: 0P6B12000
(bootloader) cidnum: CWS__001
(bootloader) battery-status: good
(bootloader) battery-voltage: 0mV
(bootloader) partition-layout: Generic
(bootloader) security: on
(bootloader) build-mode: SHIP
(bootloader) boot-mode: FASTBOOT
(bootloader) commitno-bootloader: bde2f8d6
(bootloader) hbootpreupdate: 11
(bootloader) gencheckpt: 0
Thanks