Xperia z3tc

fastboot mode

• device powered off
• plug in USB cable
• press power AND volume-up
• blue led is lit

fastboot

• https://developer.android.com/studio/releases/platform-tools
• did not work under windows (driver issue)
• works on Linux
• sudo ./fastboot device

unlock bootloader

• https://developer.sony.com/develop/open-devices/get-started/unlock-bootloader/how-to-unlock-bootloader/
• Your unlock code for 356047060721736 is 5FB35AAD7B59D551
• sudo ./fastboot oem unlock 0x5FB35AAD7B59D551

floko V2.0

• https://forum.xda-developers.com/z3-tablet-compact/orig-development/rom-floko-rom-v2-0-t3928502
• download Floko-v2.0-scorpion-20190625-UNOFFICIAL
  • extract boot.img to platform-tools
  • copy Floko-v2.0-scorpion-20190625-UNOFFICIAL_sdclang-Os.zip to SD-card
• download TWRP_scorpion_3.3.0-0_201905.img
  • copy to platform-tools
• sudo ./fastboot flash boot boot.img
• sudo ./fastboot flash FOTAKernel TWRP_scorpion_3.3.0-0_201905.img
• sudo ./fastboot reboot
• boot to twrp (power, then volume up/down ...)
• wipe (advanced) /system, /data, /cache, Dalvik/ART Cache
• install Floko-v2.0-scorpion-20190625-UNOFFICIAL_sdclang-Os.zip from SD-card