1. Download flashtool+driver
https://mega.nz/file/0h0S0QZa#DrZ5_DAguRvq5pm870oyth2SuGoj2g0_eWdZ6JMV0Uk
2. Disable Signature via search : 'advanced startup'
3. Open flashtool-drivers check flashmode driver dan fastboot driver
4. If there is security prompt, choose install anyway
5. Download minimal adb fastboot (1.4.3 recommended) + extract
https://mega.nz/file/0klnTYqa#tXRKOWEAp7fmuT6KL_GqGdD3tJFmvcOfMnmGpOnboLk
6. Move twrp/other file to extracted folder + rename
7. Connect Sony to PC and make sure USB Debugging checked and USB File Transfer Checked
8. Allow USB Debugging when window is showed on phone
9. Open cmd-here dari extract tadi
9. Type'adb devices' (to make sure device ready)
![Uploading: 10023 of 10023 bytes uploaded.](https://www.blogger.com/img/transparent.gif)
10. It has tobe like this
11. Type 'adb reboot bootloader'
12. Your device will turn off and go to bootloader mode
13. Type 'fastboot devices'
14. Type 'fastboot flash recovery twrp.img'